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1 publication of the patent
PI publication du brevetEnglish-French dictionary of law, politics, economics & finance > publication of the patent
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2 publication of the patent
Патенты: публикация патентаУниверсальный англо-русский словарь > publication of the patent
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3 publication of the patent
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4 publication of the grant of the patent
English-german technical dictionary > publication of the grant of the patent
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5 publication
опубликование; публикация; издание- publication of grant
- publication of judgement
- publication of the invention
- publication of the patent
- publication of the registration of a mark
- advertising publication
- bibliographical publication
- cited publication
- classified publication
- defensive publication
- domestic publication
- earlier publication
- firm publication
- first publication
- foreign publication
- general publication
- handwritten publication
- information publication
- international publication of an international application
- international publication under the PCT
- limited publication
- official publication
- original publication
- patent publication
- premature publication of an inventive idea
- previous publication
- primary publication
- printed publication
- prior publication
- reference publication
- scientific publication
- serial publication
- subsequent publication
- typewritten publication
- undated publication
- unofficial publication
- warning publication -
6 patent publication
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7 patent
Mktga type of copyright granted as a fixed-term monopoly to an inventor by the state to prevent others copying an invention, or improvement of a product or process.The granting of a patent requires the publication of full details of the invention or improvement but the use of the patented information is restricted to the patent holder or any organizations licensed by them.A patent’s value is usually the sum of its development costs, or its purchase price if acquired from someone else. It is generally to a company’s advantage to spread the patent’s value over several years. If this is the case, the critical time period to consider is not the full life of the patent (17 years in the United States), but its estimated useful life.For example, in January 2000 a company acquired a patent issued in January 1995 at a cost of $100,000. It concludes that the patent’s useful commercial life is 10 years, not the 12 remaining before the patent expires. In turn, patent value would be $100,000, and it would be spread (or amortized in accounting terms) over 10 years, or $10,000 each year. -
8 Paul, Lewis
SUBJECT AREA: Textiles[br]d. April 1759 Brook Green, London, England[br]English inventor of hand carding machines and partner with Wyatt in early spinning machines.[br]Lewis Paul, apparently of French Huguenot extraction, was quite young when his father died. His father was Physician to Lord Shaftsbury, who acted as Lewis Paul's guardian. In 1728 Paul made a runaway match with a widow and apparently came into her property when she died a year later. He must have subsequently remarried. In 1732 he invented a pinking machine for making the edges of shrouds out of which he derived some profit.Why Paul went to Birmingham is unknown, but he helped finance some of Wyatt's earlier inventions. Judging by the later patents taken out by Paul, it is probable that he was the one interested in spinning, turning to Wyatt for help in the construction of his spinning machine because he had no mechanical skills. The two men may have been involved in this as early as 1733, although it is more likely that they began this work in 1735. Wyatt went to London to construct a model and in 1736 helped to apply for a patent, which was granted in 1738 in the name of Paul. The patent shows that Paul and Wyatt had a number of different ways of spinning in mind, but contains no drawings of the machines. In one part there is a description of sets of rollers to draw the cotton out more finely that could have been similar to those later used by Richard Arkwright. However, it would seem that Paul and Wyatt followed the other main method described, which might be called spindle drafting, where the fibres are drawn out between the nip of a pair of rollers and the tip of the spindle; this method is unsatisfactory for continuous spinning and results in an uneven yarn.The spinning venture was supported by Thomas Warren, a well-known Birmingham printer, Edward Cave of Gentleman's Magazine, Dr Robert James of fever-powder celebrity, Mrs Desmoulins, and others. Dr Samuel Johnson also took much interest. In 1741 a mill powered by two asses was equipped at the Upper Priory, Birmingham, with, machinery for spinning cotton being constructed by Wyatt. Licences for using the invention were sold to other people including Edward Cave, who established a mill at Northampton, so the enterprise seemed to have great promise. A spinning machine must be supplied with fibres suitably prepared, so carding machines had to be developed. Work was in hand on one in 1740 and in 1748 Paul took out another patent for two types of carding device, possibly prompted by the patent taken out by Daniel Bourn. Both of Paul's devices were worked by hand and the carded fibres were laid onto a strip of paper. The paper and fibres were then rolled up and placed in the spinning machine. In 1757 John Dyer wrote a poem entitled The Fleece, which describes a circular spinning machine of the type depicted in a patent taken out by Paul in 1758. Drawings in this patent show that this method of spinning was different from Arkwright's. Paul endeavoured to have the machine introduced into the Foundling Hospital, but his death in early 1759 stopped all further development. He was buried at Paddington on 30 April that year.[br]Bibliography1738, British patent no. 562 (spinning machine). 1748, British patent no. 636 (carding machine).1758, British patent no. 724 (circular spinning machine).Further ReadingG.J.French, 1859, The Life and Times of Samuel Crompton, London, App. This should be read in conjunction with R.L.Hills, 1970, Power in the Industrial Revolution, Manchester, which shows that the roller drafting system on Paul's later spinning machine worked on the wrong principles.A.P.Wadsworth and J.de L.Mann, 1931, The Cotton Trade and Industrial Lancashire, 1600–1780, Manchester (provides good coverage of the partnership of Paul and Wyatt and the early mills).E.Baines, 1835, History of the Cotton Manufacture in Great Britain, London (this publication must be mentioned, but is now out of date).A.Seymour-Jones, 1921, "The invention of roller drawing in cotton spinning", Transactions of the Newcomen Society 1 (a more modern account).RLH -
9 date
1) дата; число; день ( месяца)2) срок, период3) датировать•- date of application
- date of availability for public
- date of commencement
- date of conception
- date of constructive reduction to practice
- date of decision
- date of expiration
- date of filing
- date of final rejection
- date of first publication
- date of forfeiture
- date of grant
- date of initial patent application
- date of issuance
- date of issue
- date of licensing
- date of licensing contract
- date of mailing of the patent application
- date of original decision
- date of patent
- date of patenting
- date of payment
- date of post-office stamp
- date of priority
- date of publication
- date of rejection
- date of the appeal
- date of the grant of a patent
- date of the Official Letter
- actual filing date
- anticipatory date
- application date
- citation date
- closing date
- conception date
- convention date
- convention priority date
- due date
- effective date
- effective filing date
- expiration date
- expiry date
- filing date of an application
- first conception date
- first filing date
- foreign filing date
- foreign priority date
- imprimatur date
- international filing date under the PCT
- international registration date under the TRT
- invention date
- key date
- later date of priority
- patenting date
- reciprocity date
- sealing date
- terminal date of prior patents -
10 Bevan, Edward John
[br]b. 11 December 1856 Birkenhead, Englandd. 17 October 1921 London, England[br]English co-inventor of the " viscose rayon " process for making artificial silk.[br]Bevan began his working life as a chemist in a soap works at Runcorn, but later studied chemistry at Owens College, Manchester. It was there that he met and formed a friendship with C.F. Cross, with whom he started to work on cellulose. Bevan moved to a paper mill in Scotland but then went south to London, where he and Cross set up a partnership in 1885 as consulting and analytical chemists. Their work was mainly concerned with the industrial utilization of cellulose, and with the problems of the paper and jute industries. Their joint publication, A Text-book of Paper-making, which first appeared in 1888 and went into several editions, became the standard reference and textbook on the subject. The book has a long introductory chapter on cellulose.In 1892 Cross, Bevan and Clayton Beadle discovered viscose, or sodium cellulose xanthate, and took out the patent which was to be the foundation of the "viscose rayon" industry. They had their own laboratory at Station Avenue, Kew Gardens, where they carried out much work that eventually resulted in viscose: cellulose, usually in the form of wood pulp, was treated first with caustic soda and then with carbon disulphide to form the xanthate, which was then dissolved in a solution of dilute caustic soda to produce a viscous liquid. After being aged, the viscose was extruded through fine holes in a spinneret and coagulated in a dilute acid to regenerate the cellulose as spinnable fibres. At first there was no suggestion of spinning it into fibre, but the hope was to use it for filaments in incandescent electric light bulbs. The sheen on the fibres suggested their possible use in textiles and the term "artificial silk" was later introduced. Cross and Bevan also discovered the acetate "Celanese", which was cellulose triacetate dissolved in acetone and spun in air, but both inventions needed much development before they could be produced commercially.In 1892 Bevan turned from cellulose to food and drugs and left the partnership to become Public Analyst to Middlesex County Council, a post he held until his death, although in 1895 he and Cross published their important work Cellulose. He was prominent in the affairs of the Society of Public Analysts and became one of its officials.[br]Bibliography1888, with C.F.Cross, A Text-book of Papermaking.1892, with C.F.Cross and C.Beadle, British patent no. 8,700 (viscose). 1895, with C.F.Cross, Cellulose.Further ReadingObituary, 1921, Journal of the Chemical Society.Obituary, 1921, Journal of the Society of Chemical Industry.Edwin J.Beer, 1962–3, "The birth of viscose rayon", Transactions of the Newcomen Society 35 (an account of the problems of developing viscose rayon; Beer worked under Cross in the Kew laboratories).RLH -
11 Shoenberg, Isaac
[br]b. 1 March 1880 Kiev, Ukrained. 25 January 1963 Willesden, London, England[br]Russian engineer and friend of Vladimir Zworykin; Director of Research at EMI, responsible for creating the team that successfully developed the world's first all-electronic television system.[br]After his initial engineering education at Kiev Polytechnic, Shoenberg went to London to undertake further studies at the Royal College of Science. In 1905 he returned to Russia and rose to become Chief Engineer of the Russian Wireless Telegraphy Company. He then returned to England, where he was a consultant in charge of the Patent Department and then joint General Manager of the Marconi Wireless Telegraphy Company (see Marconi). In 1929 he joined the Columbia Graphophone Company, but two years later this amalgamated with the Gramophone Company, by then known as His Master's voice (HMV), to form EMI (Electric and Musical Industries), a company in which the Radio Corporation of America (RCA) had a significant shareholding. Appointed Director of the new company's Research Laboratories in 1931, Shoenberg gathered together a team of highly skilled engineers, including Blumlein, Browne, Willans, McGee, Lubszynski, Broadway and White, with the objective of producing an all-electronic television system suitable for public broadcasting. A 150-line system had already been demonstrated using film as the source material; a photoemissive camera tube similar to Zworykin's iconoscope soon followed. With alternate demonstrations of the EMI system and the mechanical system of Baird arranged with the object of selecting a broadcast system for the UK, Shoenberg took the bold decision to aim for a 405-line "high-definition" standard, using interlaced scanning based on an RCA patent and further developed by Blumlein. This was so successful that it was formally adopted as the British standard in 1935 and regular broadcasts, the first in the world, began in 1937. It is a tribute to Shoenberg's vision and the skills of his team that this standard was to remain in use, apart from the war years, until finally superseded in 1985.[br]Principal Honours and DistinctionsKnighted 1954. Institution of Electrical Engineers Faraday Medal 1954.Further ReadingA.D.Blumlein et al., 1938, "The Marconi-EMI television system", Journal of the Institution of Electrical Engineers 83:729 (provides a description of the development of the 405-line system).For more background information, see Proceedings of the International Conference on the History of Television. From Early Days to the Present, November 1986, Institution of Electrical Engineers Publication No. 271.KF -
12 effect
1) результат, следствие2) цель; намерение3) значение, смысл4) действие, воздействие; сила; влияние6) осуществление, выполнение; осуществлять, выполнять; производить; проводить в жизнь•- in the effect that
- effect an application
- effect a contract
- come into effect
- effect an engineering progress
- effect payment
- put into effect
- the effect that
- this effect
- effects of international publication
- effect of patent
- biological effect
- chemical effect
- collateral effect
- conspicuous effect
- cumulative effect
- gamma effect
- legal effect
- light effect
- perspective effect
- positive effect
- shading effect
- side effect
- technical effect
- territorial effect -
13 suppress
1) подавлять, сдерживать2) скрывать, замалчивать3) запрещать•- suppress a patent
- suppress a publication
- suppress the working of an invention -
14 Poulsen, Valdemar
[br]b. 23 November 1869 Copenhagen, Denmarkd. 23 July 1942 Gentofte, Denmark[br]Danish engineer who developed practical magnetic recording and the arc generator for continuous radio waves.[br]From an early age he was absorbed by phenomena of physics to the exclusion of all other subjects, including mathematics. When choosing his subjects for the final three years in Borgedydskolen in Christianshavn (Copenhagen) before university, he opted for languages and history. At the University of Copenhagen he embarked on the study of medicine in 1889, but broke it off and was apprenticed to the machine firm of A/S Frichs Eftf. in Aarhus. He was employed between 1893 and 1899 as a mechanic and assistant in the laboratory of the Copenhagen Telephone Company KTAS. Eventually he advanced to be Head of the line fault department. This suited his desire for experiment and measurement perfectly. After the invention of the telegraphone in 1898, he left the laboratory and with responsible business people he created Aktieselskabet Telegrafonen, Patent Poulsen in order to develop it further, together with Peder Oluf Pedersen (1874– 1941). Pedersen brought with him the mathematical background which eventually led to his professorship in electronic engineering in 1922.The telegraphone was the basis for multinational industrial endeavours after it was demonstrated at the 1900 World's Exhibition in Paris. It must be said that its strength was also its weakness, because the telegraphone was unique in bringing sound recording and reproduction to the telephone field, but the lack of electronic amplifiers delayed its use outside this and the dictation fields (where headphones could be used) until the 1920s. However, commercial interest was great enough to provoke a number of court cases concerning patent infringement, in which Poulsen frequently figured as a witness.In 1903–4 Poulsen and Pedersen developed the arc generator for continuous radio waves which was used worldwide for radio transmitters in competition with Marconi's spark-generating system. The inspiration for this work came from the research by William Duddell on the musical arc. Whereas Duddell had proposed the use of the oscillations generated in his electric arc for telegraphy in his 1901 UK patent, Poulsen contributed a chamber of hydrogen and a transverse magnetic field which increased the efficiency remarkably. He filed patent applications on these constructions from 1902 and the first publication in a scientific forum took place at the International Electrical Congress in St Louis, Missouri, in 1904.In order to use continuous waves efficiently (the high frequency constituted a carrier), Poulsen developed both a modulator for telegraphy and a detector for the carrier wave. The modulator was such that even the more primitive spark-communication receivers could be used. Later Poulsen and Pedersen developed frequency-shift keying.The Amalgamated Radio-Telegraph Company Ltd was launched in London in 1906, combining the developments of Poulsen and those of De Forest Wireless Telegraph Syndicate. Poulsen contributed his English and American patents. When this company was liquidated in 1908, its assets were taken over by Det Kontinentale Syndikat for Poulsen Radio Telegrafi, A/S in Copenhagen (liquidated 1930–1). Some of the patents had been sold to C.Lorenz AG in Berlin, which was very active.The arc transmitting system was in use worldwide from about 1910 to 1925, and the power increased from 12 kW to 1,000 kW. In 1921 an exceptional transmitter rated at 1,800 kW was erected on Java for communications with the Netherlands. More than one thousand installations had been in use worldwide. The competing systems were initially spark transmitters (Marconi) and later rotary converters ( Westinghouse). Similar power was available from valve transmitters only much later.From c. 1912 Poulsen did not contribute actively to further development. He led a life as a well-respected engineer and scientist and served on several committees. He had his private laboratory and made experiments in the composition of matter and certain resonance phenomena; however, nothing was published. It has recently been suggested that Poulsen could not have been unaware of Oberlin Smith's work and publication in 1888, but his extreme honesty in technical matters indicates that his development was indeed independent. In the case of the arc generator, Poulsen was always extremely frank about the inspiration he gained from earlier developers' work.[br]Bibliography1899, British patent no. 8,961 (the first British telegraphone patent). 1903, British patent no. 15,599 (the first British arc-genera tor patent).His scientific publications are few, but fundamental accounts of his contribution are: 1900, "Das Telegraphon", Ann. d. Physik 3:754–60; 1904, "System for producing continuous oscillations", Trans. Int. El. Congr. St. Louis, Vol. II, pp. 963–71.Further ReadingA.Larsen, 1950, Telegrafonen og den Traadløse, Ingeniørvidenskabelige Skrifter no. 2, Copenhagen (provides a very complete, although somewhat confusing, account of Poulsen's contributions; a list of his patents is given on pp. 285–93).F.K.Engel, 1990, Documents on the Invention of Magnetic Re cor ding in 1878, New York: Audio Engineering Society, reprint no. 2,914 (G2) (it is here that doubt is expressed about whether Poulsen's ideas were developed independently).GB-N -
15 application
1) заявка (заявка на патент - это комплект документов, состоящий из: ходатайства, описания изобретения, чертежей, формулы изобретения, присяги или торжественного заявления изобретателя и подтверждения уплаты заявочной пошлины)2) заявление, прошение, ходатайство3) применение, употребление4) внесение (напр. поправки)5) прикладная задача, прикладная система•- confidential nature of an application
- application establishing priority
- application for a foreign patent
- application for a license
- application for a patent
- application for a postponement
- application for cancellation
- application for compensation
- application for continuation of examination
- application for conversion
- application for registration
- application for respite
- application for revocation
- application for the grant of a patent
- application for the protection of an invention
- application for the registration of a mark
- application for the registration of a trademark
- application for the reissue of a patent
- application for the renewal of a patent
- application for the renewal of the registration of mark
- application for urgency
- application in home country
- application in issue
- application made special
- application not satisfying requirements of patentability
- application on appeal
- application on file
- application on record
- patent application as published for opposition
- application of correction
- abandoned application
- accepted application
- actual application
- additional application
- allowed application
- amended application
- amplified application
- attacked application
- basic application
- challenging application
- chemical application
- CIP application
- cognate application
- colliding application
- commercial application
- continuation application
- continuation-in-part application
- continuing application
- Convention application
- copending applications
- copyright application
- corresponding application
- defective application
- defensively published application
- defensive publication application
- definite application
- denial application
- dependent application
- design patent application
- divisional application
- dragnet application
- earlier filed application
- employment application
- examined application
- ex parte application
- fatally defective application
- faulty application
- filed application
- finally rejected application
- first application
- foreign patent application
- forfeited application
- forfeitured application
- illegal application
- improper application
- improvement application
- incomplete application
- incorrect patent application
- independent application
- industrial application
- initial application
- instant application
- interfering application
- international application under the PCT
- joint application
- later application
- later-dated application
- later-field application
- main application
- mark application
- method application
- national application
- native application
- new application
- non-convention application
- nonexamined application
- nonpriority application
- opposed patent application
- original application
- original foreign application
- parent application
- patent application
- pending application
- pending patent application
- plant patent application
- practical application
- preliminary application
- previous application
- prior application
- priority application
- private patent application
- process application
- provisional application for a patent
- published application
- reciprocity application
- refiled application
- refused application
- regional application under the PCT
- regular application - related applications
- renewal application
- representative application
- restricted application
- secret application
- secret patent application
- semifinished application
- separate application
- signed application
- special application
- streamlined continuation application
- subsequent application
- substitute application
- trademark application
- united application
- U. S. application
- useful application
- verified application
- vicious patent application
- withdrawn application
- written application* * *заявка (комплект официальных документов, представляемый заявителем в патентное ведомство для получения охранного документа: патента, свидетельства о регистрации товарного знака или промышленного образца) -
16 Davenport, Thomas
SUBJECT AREA: Electricity[br]b. 9 July 1802 Williamstown, Vermont, USAd. 6 July 1851 Salisbury, Vermont, USA[br]American craftsman and inventor who constructed the first rotating electrical machines in the United States.[br]When he was 14 years old Davenport was apprenticed to a blacksmith for seven years. At the close of his apprenticeship in 1823 he opened a blacksmith's shop in Brandon, Vermont. He began experimenting with electromagnets after observing one in use at the Penfield Iron Works at Crown Point, New York, in 1831. He saw the device as a possible source of power and by July 1834 had constructed his first electric motor. Having totally abandoned his regular business, Davenport built and exhibited a number of miniature machines; he utilized an electric motor to propel a model car around a circular track in 1836, and this became the first recorded instance of an electric railway. An application for a patent and a model were destroyed in a fire at the United States Patent Office in December 1836, but a second application was made and Davenport received a patent the following year for Improvements in Propelling Machinery by Magnetism and Electromagnetism. A British patent was also obtained. A workshop and laboratory were established in New York, but Davenport had little financial backing for his experiments. He built a total of over one hundred motors but was defeated by the inability to obtain an inexpensive source of power. Using an electric motor of his own design to operate a printing press in 1840, he undertook the publication of a journal, The Electromagnet and Mechanics' Intelligencer. This was the first American periodical on electricity, but it was discontinued after a few issues. In failing health he retired to Vermont where in the last year of his life he continued experiments in electromagnetism.[br]Bibliography1837, US patent no. 132, "Improvements in Propelling Machinery by Magnetism and Electromagnetism".6 June 1837 British patent no. 7,386.Further ReadingF.L.Pope, 1891, "Inventors of the electric motor with special reference to the work of Thomas Davenport", Electrical Engineer, 11:1–5, 33–9, 65–71, 93–8, 125–30 (the most comprehensive account).Annals of Electricity (1838) 2:257–64 (provides a description of Davenport's motor).W.J.King, 1962, The Development of Electrical Technology in the 19th Century, Washington, DC: Smithsonian Institution, Paper 28, pp. 263–4 (a short account).GW -
17 Wyatt, John
[br]b. April 1700 Thickbroom, Weeford, near Lichfield, Englandd. 29 November 1766 Birmingham, England[br]English inventor of machines for making files and rolling lead, and co-constructor of a cotton-spinning machine.[br]John Wyatt was the eldest son of John and Jane Wyatt, who lived in the small village of Thickbroom in the parish of Weeford, near Lichfield. John the younger was educated at Lichfield school and then worked as a carpenter at Thickbroom till 1730. In 1732 he was in Birmingham, engaged by a man named Heely, a gunbarrel forger, who became bankrupt in 1734. Wyatt had invented a machine for making files and sought the help of Lewis Paul to manufacture this commercially.The surviving papers of Paul and Wyatt in Birmingham are mostly undated and show a variety of machines with which they were involved. There was a machine for "making lead hard" which had rollers, and "a Gymcrak of some consequence" probably refers to a machine for boring barrels or the file-making machine. Wyatt is said to have been one of the unsuccessful competitors for the erection of London Bridge in 1736. He invented and perfected the compound-lever weighing machine. He had more success with this: after 1744, machines for weighing up to five tons were set up at Birmingham, Chester, Gloucester, Hereford, Lichfield and Liverpool. Road construction, bridge building, hydrostatics, canals, water-powered engines and many other schemes received his attention and it is said that he was employed for a time after 1744 by Matthew Boulton.It is certain that in April 1735 Paul and Wyatt were working on their spinning machine and Wyatt was making a model of it in London in 1736, giving up his work in Birmingham. The first patent, in 1738, was taken out in the name of Lewis Paul. It is impossible to know which of these two invented what. This first patent covers a wide variety of descriptions of the vital roller drafting to draw out the fibres, and it is unknown which system was actually used. Paul's carding patent of 1748 and his second spinning patent of 1758 show that he moved away from the system and principles upon which Arkwright built his success. Wyatt and Paul's spinning machines were sufficiently promising for a mill to be set up in 1741 at the Upper Priory, Birmingham, that was powered by two asses. Wyatt was the person responsible for constructing the machinery. Edward Cave established another at Northampton powered by water while later Daniel Bourn built yet another at Leominster. Many others were interested too. The Birmingham mill did not work for long and seems to have been given up in 1743. Wyatt was imprisoned for debt in The Fleet in 1742, and when released in 1743 he tried for a time to run the Birmingham mill and possibly the Northampton one. The one at Leominster burned down in 1754, while the Northampton mill was advertised for sale in 1756. This last mill may have been used again in conjunction with the 1758 patent. It was Wyatt whom Daniel Bourn contacted about a grant for spindles for his Leominster mill in 1748, but this seems to have been Wyatt's last association with the spinning venture.[br]Further ReadingG.J.French, 1859, The Life and Times of Samuel Crompton, London (French collected many of the Paul and Wyatt papers; these should be read in conjunction with Hills 1970).R.L.Hills, 1970, Power in the Industrial Revolution, Manchester (Hills shows that the rollerdrafting system on this spinning machine worked on the wrong principles). A.P.Wadsworth and J.de L.Mann, 1931, The Cotton Trade and Industrial Lancashire, 1600–1780, Manchester (provides good coverage of the partnership of Paul and Wyatt and of the early mills).E.Baines, 1835, History of the Cotton Manufacture in Great Britain, London (this publication must be mentioned, although it is now out of date).W.English, 1969, The Textile Industry, London (a more recent account).W.A.Benton, "John Wyatt and the weighing of heavy loads", Transactions of the Newcomen Society 9 (for a description of Wyatt's weighing machine).RLH -
18 search
1) поиск; проводить поиск2) исследование; исследовать3) экспертиза•- search as to patentability
- search file
- search for analogs
- search for an invention
- search for identical marks
- search for novelty
- search for prior art
- search for rationalization proposals
- search for similar marks
- search for the state of the art
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- absolute search
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- international novelty search
- international search under the PCT
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- preliminary search
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- prior art search
- prior-to-design patent search
- publication search
- random search
- remote online search
- retrospective search
- state of the art search
- subject-matter search
- title search
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19 Cross, Charles Frederick
[br]b. 11 December 1855 Brentwood, Middlesex, Englandd. 15 April 1935 Hove, England[br]English chemist who contributed to the development of viscose rayon from cellulose.[br]Cross was educated at the universities of London, Zurich and Manchester. It was at Owens College, Manchester, that Cross first met E.J. Bevan and where these two first worked together on the nature of cellulose. After gaining some industrial experience, Cross joined Bevan to set up a partnership in London as analytical and consulting chemists, specializing in the chemistry and technology of cellulose and lignin. They were at the Jodrell laboratory, Kew Gardens, for a time and then set up their own laboratory at Station Avenue, Kew Gardens. In 1888, the first edition of their joint publication A Textbook of Paper-making, appeared. It went into several editions and became the standard reference and textbook on the subject. The long introductory chapter is a discourse on cellulose.In 1892, Cross, Bevan and Clayton Beadle took out their historic patent on the solution and regeneration of cellulose. The modern artificial-fibre industry stems from this patent. They made their discovery at New Court, Carey Street, London: wood-pulp (or another cheap form of cellulose) was dissolved in a mixture of carbon disulphide and aqueous alkali to produce sodium xanthate. After maturing, it was squirted through fine holes into dilute acid, which set the liquid to give spinnable fibres of "viscose". However, it was many years before the process became a commercial operation, partly because the use of a natural raw material such as wood involved variations in chemical content and each batch might react differently. At first it was thought that viscose might be suitable for incandescent lamp filaments, and C.H.Stearn, a collaborator with Cross, continued to investigate this possibility, but the sheen on the fibres suggested that viscose might be made into artificial silk. The original Viscose Spinning Syndicate was formed in 1894 and a place was rented at Erith in Kent. However, it was not until some skeins of artificial silk (a term to which Cross himself objected) were displayed in Paris that textile manufacturers began to take an interest in it. It was then that Courtaulds decided to investigate this new fibre, although it was not until 1904 that they bought the English patents and developed the first artificial silk that was later called "rayon". Cross was also concerned with the development of viscose films and of cellulose acetate, which became a rival to rayon in the form of "Celanese". He retained his interest in the paper industry and in publishing, in 1895 again collaborating with Bevan and publishing a book on Cellulose and other technical articles. He was a cultured man and a good musician. He was elected a Fellow of the Royal Society in 1917.[br]Principal Honours and DistinctionsFRS 1917.Bibliography1888, with E.J.Bevan, A Text-book of Papermaking. 1892, British patent no. 8,700 (cellulose).Further ReadingObituary Notices of the Royal Society, 1935, London. Obituary, 1935, Journal of the Chemical Society 1,337. Chambers Concise Dictionary of Scientists, 1989, Cambridge.Edwin J.Beer, 1962–3, "The birth of viscose rayon", Transactions of the Newcomen Society 35 (an account of the problems of developing viscose rayon; Beer worked under Cross in the Kew laboratories).C.Singer (ed.), 1978, A History of Technology, Vol. VI, Oxford: Clarendon Press.RLHBiographical history of technology > Cross, Charles Frederick
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20 Flechsig, W.
SUBJECT AREA: Electronics and information technology[br]fl. c.1938 Germany[br]German engineer notable for early patents that foreshadowed the development of the shadowmask colour cathode ray tube.[br]In 1938, whilst working for a German electrical company, Flechsig filed a patent in which he described the use of an array of stretched parallel wires to control the landing of either one or three electron beams on separate red, green and blue phosphor stripes within a single cathode ray tube. Whilst the single-beam arrangement required subsidiary deflection to alternate the beam landing angle, the three-beam version effectively used the wires to "mask" the landing of the electron beams so that each one only illuminated the relevant colour phosphor stripes. Although not developed at the time, the concept anticipated the subsequent invention of the shadowmask tube by RCA in the early 1950s and, even more closely, the development of the Sony Trinitron some years later.[br]Bibliography1938, German patent no. 736, 575.1941, French patent no. 866, 065.Further ReadingE.W.Herold, 1976, "A history of colour television displays", Proceedings of the Institute of Electrical and Electronics Engineers 64:1,331.K.G.Freeman, "The history of colour CRTs. A personal view", International Conference on the History of Television, Institution of Electrical Engineers Publication no. 271, p.38.KF
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