baber/WOPTO huggingface dataset:
Patent GB-1272879-A (GB)
Title: PRODUCTION OF 2,3-DIHYDRO-p-OXATHIINES AND THEIR SULPHOXIDES AND SULPHONES
Inventor: ASINGER FRIEDRICH
IPC: C07D327/06
Filed: 1970-11-18
Abstract: 1,272,879. Process for 2,3-dihydro-paraoxathiines and their sulphoxides and sulphones. DEUTSCHE GOLD-UND SILBERSCHEIDEANSTALT. 18 Nov., 1970 [18 Nov., 1969], No. 54799/70. Heading C2C. The invention comprises reacting an α- mercapto-oxo compound or its dimer with a substantially equimolar quantity of an oxirane in the presence of inert organic solvent and base at 0 to 100 C. and cyclizing the intermediate (can be isolated and purified if desired) so obtained in the presence of inert organic solvent and acid catalyst; the 2,3-dihydro-p-oxathiines obtained can, if desired, be oxidized to give the sulphones and sulphoxides. Accordingly, 2,3- di- H - 5 - Me - 6 - Et - p - oxathiine (from 2- mercapto - 3 - pentanone and ethylene oxide via 2 - # - hydroxyethylthio - 3 - pentanone), 2,3 - di - H - 5 - Me - 6 - Ph - p - oxathiine (from ethylene oxide and 1-phenyl-2-mercapto-1- propanone), 2 - Me - 2,3 - dihydro - 5,6 - tetramethylene - p - oxathiine (from propylene oxide and 2 - mercapto - 1 - cyclohexanone dimer), 2 - chloromethyl - 2,3 - di - H - 5 - Me - 6 - Ph - poxathiine (from epichlorhydrin and 1-Ph-2- mercapto - 1 - propanone), 2,3 - tetramethylene- 2,3 - di - H - 5,6 - triethylene - p - oxathiine (from 2 - mercapto - 1 - cyclopentanone and cyclohexene oxide), 2-hydroxymethyl-2,3-di-H-5-Me- 6 - Et - p - oxathiine (from 2 - mercapto - 3- pentanone and 2,3 - epoxy - propanol), 2- methoxymethyl - 2,3 - di - H - 5 - Me - 6 - Et - poxathiine (from 2-mercapto-3-pentanone and 1,2 - epoxy - 3 - methoxypropane), 2-phenoxymethyl - 2,3 - di - H - 5 - Me - 6 - Et - p - oxathiine (from phenoxypropene oxide and 2- mercapto - 3 - pentanone), 2,3 - di - H - 5- Me - 6 - Et - p - oxathiine - 2 - yl - methyl - ethylsulphide (from 2 - mercapto - 3 - pentanone and 1,2 - epoxypropyl - ethyl sulphide), 2 - diethylaminomethyl - 2,3 - di - H - 5 - Me -6- Et - p - oxathiine (from 2 - mercapto - 3 - pentanone and 3 - diethylamino - 1,2 - epoxypropane), 2,3 - trimethylene - 2,3 - di - H - 5- Me - 6 - Et - p - oxathiine (from 2 - mercapto- 3-pentanone and cyclopentene oxide), 2,3,5,6- bis - (tetramethylene) - 2,3 - di - H - p - oxathiine (from 2 - mercapto - 1 - cyclohexanone and cyclohexene oxide), 2-chloromethyl-2,3.di-H-5- Me - 6 - Et - p - oxathiine (from 2 - mercapto- 3-pentanone and epichlorhydrin), 2,3-di-H-5- Me - 6 - Et - p - oxathiine oxide, and the sulphones of 2-chloromethyl-2,3-di-H-5-Me-6-Etp - oxathiine and 2,3 - di - H - 2,5 - di - Me - 6- Ph-p-oxathiine are prepared.
Patent GB-1129300-A (GB)
Title: Particulate solids
IPC: C09C3/00
Filed: 1965-12-29
Abstract: 1,129,300. Dispersible solids. BALM PAINTS Ltd. 29 Dec., 1965 [5 Jan., 1965], No. 55077/65. Heading C1A. [Also in Division C4] The dispersability of a particulate inorganic solid in organic liquids is improved by treating it firstly with a compound containing two or more inorganic acid groups and then with an amine or quaternary ammonium compound or salt thereof. The particulate solid may be TiO 2 , ZnO, Sb 2 O 3 , iron oxide, Cr 2 O 3 , lead chromate, lead molybdo-chromate, CdS, cadmium selenium sulphide, SiO 2 , barytes, CaCO 3 , clay, mica or vermiculite. The compound containing two or more inorganic acid groups may be a polymeric acid, e.g. polyboric, polysilicic, polyphosphoric acids, a preferred example being hexametaphosphoric acid. Alternatively the compound may be the reaction product of an inorganic acid with a reactive backbone which contains two or more sites for reaction with the acid. Suitable reactive backbones are compounds containing hydroxyl or epoxy groups, and exhaustive lists are given. Preferably the compound containing two or more inorganic acid groups is in the form of a water-soluble salt and is used in amount 0À05-10% by wt. of the particulate solid. The amine is preferably a polyamine in the form of a salt and is used in an amount in excess of the equivalent amount to the compound containing the inorganic acid groups. The amine salt preferably bears at least one pendant group containing at least two atoms other than hydrogen which is capable of solvation by the organic liquid.
Patent GB-1285277-A (GB)
Title: Apparatus for measuring the linear displacement of a moving object
Inventor: DEMIDENKOV JURY VASILIEVICH
IPC: H01S3/083
Filed: 1970-11-20
Abstract: 1285277 Polarizing apparatus V DEMIDENKOV V K PROSVETOV S G SKROTSKY B V RYBOKOV and A M KHROMYKH 20 Nov 1970 55192/70 Heading G2J [Also in Divisions H1 H4 and G1] Linear displacements of an object having a mirror attached thereto, are measured by apparatus including: a laser producing radiation at two slightly differing frequencies, the difference frequency being in the r.f. range; a first photodetector receiving the radiation from the laser to produce a phase reference waveform at the difference frequency; a second photo-detector, receiving radiation from the laser which both has and has not been reflected from the mirror, to produce a waveform whose phase is compared with the reference to indicate the displacement. Ring laser as source. In the arrangement of Fig. 1, a ring laser 1 is used with the aid of Faraday effect device 2, to produce two pairs of beams of the two different frequencies. One pair is mixed by mirror 3 and semi-transparent plate 4 for detection by first detector 9. The beams of the other pair are directed to mirror 5 and to mirror 8 on the object 4 (via semi reflecting plate 6), the reflected beams being combined at semi reflector 7 for detection by the second detector 10. The phase comparison is performed by meter 13 after amplification at 11, 12. Linear laser as source. The axial magnetic field applied to laser 14 produces from either end of the device radiation circularly polarized in clockwise and anti-clockwise directions, the radiation from each end containing both frequencies. At one end, the radiation is passed through a polarizer 17 which converts the beam to linearly polarized radiation and detector 18 develops the reference difference frequency signal. At the other end, radiation passes through quarter wave plate 19 providing radiation linearly polarized in two directions at right angles, these beams being separated by Wollaston prism 20 and subsequently combined at detector 26 by optical mixer elements 21-24 after reflection from mirror 24 fixed to the object. Polarizer 25 ensures that all the radiation reaches the detection polarized in the same direction.
Patent GB-1176342-A (GB)
Title: Improvements relating to Anti-Spill Electric Storage Batteries
Inventor: KIRKPATRICK JOHN
IPC: H01M50/367
Filed: 1966-12-09
Abstract: 1,176,342. Anti-spill vent system for storage batteries. ELECTRIC POWER STORAGE Ltd. 6 Dec., 1967 [9 Dec., 1966], No. 55248/66. Heading H1B. An anti-spill storage battery comprises two or more cells, each having an anti-spill vent opening into the cell at a point which will be above the liquid level in all attitudes of the cell, and a common secondary chamber connected to the outlets of all the vents and communicating with the atmosphere through a further antispill vent. Figs. 2 and 5 show a 4-cell embodiment of the invention, from above with terminal plate and vent cover removed, and in vertical section through 5-5 in Fig. 2, respectively. In these cell vents 35 give into a generally H- shaped manifold 26, from which a passage 40 (round which is a " weir " 41 to prevent small quantities of liquid entering the passage) leads into the secondary chamber 16, which lies between the two pairs of cells and is relatively narrow, and is provided with an antispill vent 45 opening into an outlet chamber 21 beneath the false bottom 46 of the secondary chamber packed with absorbent material and venting through opening 47 to the atmosphere.
Patent GB-1129898-A (GB)
Title: New silicon-containing compounds
Inventor: JACK JAMES
IPC: C08G77/388
Filed: 1965-12-31
Abstract: 1,129,898. 1,3-Dicyano butyl silanes and siloxanes. IMPERIAL CHEMICAL INDUSTRIES Ltd. 15 Dec., 1966 [31 Dec., 1965], No. 55422/65. Headings C3S and C3T. Novel silanes and siloxanes having at least one group of the formula are prepared by reacting a silane having at least one #Si-H group, preferably one of the general formula R a HSiX 3-a , where R is alkyl or aryl having up to 6 C atoms, X is a halogen and a=0 or 1, with α-methylene glutaronitrile. The siloxanes may also be prepared by hydrolysing one or a mixture of the silanes of the invention. In the novel silanes one or more of the remaining silicon valencies may be occupied by halogen atoms, especially chlorine, or by alkoxy groups, preferably methoxy or ethoxy groups. In the novel siloxanes the remaining silicon valencies may be occupied by alkyl, aryl, alkaryl, aralkyl or cycloalkyl groups such as methyl, ethyl, octyl, phenyl, tolyl or #-phenylethyl groups. Preferred silanes to be used as starting materials are trichlorosilane, methyldichlorosilane and phenyldichlorosilane. A catalyst is normally present, for example a triethyl or triaryl substituted hydride of N, P, As, Sb or Bi, amides such as N,N-dialkylamides and hydrochlorides of amides. Triethylamine, tripropylamine and tri-n-butylamine are preferred. Examples give the preparation of 1,3-dicyano-4-(trichlorosilyl)butane, 1,3-dicyano-4-(triethoxysilyl)butane from the 4-trichlorosilyl derivative, and the siloxane derived by aqueous hydrolysis of the latter.
Patent GB-1315529-A (GB)
Title: Data memories
IPC: G06F17/30
Filed: 1970-11-23
Abstract: 1315529 Associative stores INTERNATIONAL BUSINESS MACHINES CO 23 Nov 1970 [31 Dec 1969] 55547/70 Heading G4C A data memory comprises a matrix of memory elements in each of which data can be circulated, addressing means for accessing the memory elements in equal size sets, means for storing a search argument, means for storing a mark for each accessed set in a manner such that correspondence between the mark and the circulation of the data in the elements of the set is preserved, marks being entered in response to equality between the search argument and the accessed data. The memory system is a modification of that of Specification 1,315,528 (referred to). A plurality of memory cards each have a 2- dimensional array of recirculating shift registers, a word being stored as a bit in each card. On each card, 4 Î 4 modules are provided, each consisting of 2 x 2 chips, each of which holds 2 x 2 shift registers. For associative searching, corresponding shift registers are selected, one per module, and recirculated simultaneously, each bit stored therein after the required start position, being compared in turn with the appropriate bit of a key register having a bit position for each card, unless that key register bit position is masked by the corresponding bit of a mask register of the same bit-size as the key register. Any mismatch pulse is ORed into the corresponding bit position of a mark card like the other cards and thus having a bit position for each word of the memory. The mark card shift registers are selected by decoding the contents of a location register, separate from the shift register selection facilities (decoders &c.) of the memory proper. Matching words can be read out in turn under control of the mark card. Associative searching can be done for data fields more than one word long by searching for each word in turn, the contents of the mark card being retained throughout i.e. the results from successive key words being ORed together. A plurality of key registers, mask registers and mark cards can be provided to permit a plurality of keys to be searched for simultaneously.
Patent GB-1409008-A (GB)
Title: Vulcanizing mould for vehicle tyres
IPC: B29D30/06
Filed: 1973-11-30
Abstract: 1409008 Moulding tyres K ZANGL 30 Nov 1973 [28 March 1973] 55640/73 Heading B5A A tyre mould including sidewall mould sections 100, 400 and radially movable tread forming sectors 300 urged radially by a surrounding conical guide surface is provided with spring-urged roller combinations, such as 104 which maintain a gap between the parts and reduce friction. Such roller combination may comprise two rollers 104f on a shaft 104e carried by a support 104d secured to a housing 104a; the latter is attached to a section 100 and has springs 104b urging the rollers outwardly. When the mould is completely closed the rollers are forced back to lie flush with the engaging surface of its sector.
Patent GB-1186019-A (GB)
Title: Moving Picture Camera
Inventor: COLODNER JESSE L
IPC: G03B31/04
Filed: 1967-12-07
Abstract: 1,186,019. Cine cameras. INTERNATIONAL CAMERA CORP. Dec.7, 1967, No.55775/67. Heading G2E. A cine camera 10 has means providing synchronizing pulses for associated sound reproduction, the means comprising a pulse generating member 56 mounted on a shaft 28 driven by the camera drive shaft 26, member 56 consisting of a disc of an electrically conductive material with insulating segments 66 which interrupts current passing through brushes 74, 76. A casing 12 contains the pulse generating means and is attached to the main camera housing. Drive from shaft 26 is transmitted to shaft 28 through a keyed plug 44 engaging a spring-loaded slotted socket 48.
Patent GB-1378860-A (GB)
Title: Holograms containing continuous information
IPC: H04N5/76
Filed: 1971-12-03
Abstract: 1378860 Holography R C A CORPORATION 3 Dec 1971 [14 Dec 1970] 56202/71 Heading G2J A hologram 13a of a sound track 11a is formed from the image of the sound-track which image has been reduced in size relative to the appopriate sound-track portion by a lens 25 between the image plane and the sound-track. The hologram is a Fresnel hologram and is thus capable of being read-out continuously. The frame size selected, to which the image size is fitted to avoid either overlap or gaps between successive such holograms is that of Framhofer holograms of video information. In a second embodiment, Fig. 5 the video and sound tracks 31a, 31b tone respectively illuminated through two uni-directional phase-gratings 30, 32 respectively, the sound information beam being directed by a prism 33 before being reduced in size by optics 34, 35.
Patent GB-1375846-A (GB)
IPC: G03G5/08
Filed: 1971-12-06
Abstract: 1375846 Selenium; arsenic selenide XEROX CORP 6 Dec 1971 [7 Dec 1970] 56522/71 Heading C1A Xerographically pure selenium-containing material (e.g. selenium or arsenic selenide) is recovered from xerographically impure selenium-containing material by dissolving it in an aqueous alkali metal hydroxide solution under substantially non-oxidative conditions (as defined), precipitating purified selenium-containing material by adding acid to render the solution strongly acidic, and washing the precipitate to remove residual impurities. The impure material may be dissolved in 20-25% NaOH heated to about 90‹ C. Hydrochloric acid may be added with agitation until the pH of the solution is between 1 and 2. After washing the precipitate may be dried. When the impure material is an arsenic-selenium alloy the precipitate may be vacuum dried and remelted at 600‹ C. to form arsenic triselenide.
Patent GB-1245160-A (GB)
Title: Cleaning utensils
IPC: C23G5/028
Filed: 1969-11-20
Abstract: 1,245,160. Cleaning food utensils. KENVERT INTERNATIONAL CORP. 20 Nov., 1969 [20 Nov., 1968], No. 56888/69. Heading C5D. Food residues are removed from utensils used in cooking by applying to the surface of the utensil a cleaning solution comprising an organic acid or amine in a chlorinated organic solvent and subsequently rinsing the utensil with water. The solvent may be methylene chloride, chloroform, monochlorobenzene, orthodichlorobenzene or a mixture thereof. The acid may be formic, acetic, trichloroacetic, adipic, benzoic, citric, malic, salicylic, tannic, tartaric, fumaric, gluconic, propionic, butyric, cinnamic or mixtures thereof. The amine may be methylamine, monoethanolamine, cyclohexylamine, propylene diamine, ethylene diamine, isopropanolamine, triethanolamine, diphenylamine, pyridine or diethanolamine. 0-1 to 40% of the acid or amine may be present. Optional ingredients are (a) 1-0 to 10% water; (b) 1-0 to 5-0% of a polar solvent, e.g. methanol, ethanol or methylsulphoxide; (c) 0-1 to 5À0% of an oil-soluble surfactant, e.g. triethanolamine lauryl sulphate, alkali metal salts of alkylarylpolyether sulphates, fluorocarbon surfactants, or silicone greases or oils; and (d) water-soluble surfactants, waxes and vapour pressure depressants.
Patent GB-1237197-A (GB)
Title: Improvements in or relating to heat exchangers
Inventor: HAWKLEY BERNARD
IPC: F24D3/08
Filed: 1967-12-19
Abstract: 1,237,197. Hot water systems; tubular heat exchangers. B. HAWKLEY and A. J. PAVELEY. 24 Oct., 1968 [19 Dec., 1967], No. 57609/67. Headings F4A and F4S. A heat exchanger comprises a housing 3 which provides a path for the flow of fluid in one direction, and a coiled tube 1 within the housing to provide a path for the flow of fluid in the opposite direction, the tube being finned, the fins 8 being in contact with the outer surface of a core 2 around which the tube is coiled. The inlet connection to the housing is shown at 4 and the outlet at 5. The inlet connection to the coil is indicated at 7 and the outlet at 6. A hot water system incorporating a heat exchanger in accordance with the invention is shown in Fig. 2, hot water from a boiler B passing to the housing of the heat exchanger E and returning through the accelerator pump D to the boiler. Cold water from a mains supply passes through the coil I of the heat exchanger; being drawn off through tap G. A cold supply tank F is provided. In a further embodiment the water from the housing of the heat exchanger passes to an accumulator C before passing through the accelerator pump D back to the boiler.
Patent GB-1406517-A (GB)
Title: Method and apparatus for marking photographic print strips
IPC: G03D15/00
Filed: 1973-12-14
Abstract: 1406517 Projection printing GUARDIAN INDUSTRIES CORP 14 Dec 1973 [26 Dec 1972] 57985/73 Heading G2A During projection printing through successive transparencies in spliced sets of customers' orders on to successive portions of a web 12 of photosensitive material, a rectangular hole 51 is punched at the leading edge 13 of each portion while in the exposure position to facilitate cutting after development. A similar hole 52 is also punched to indicate the end of each order. Each punch unit 40 has an inclined side 43, the lower edge of which forms the leading edge of a mask frame 28, the rear edge of which may be shortened by means of a hinged masking plate 37 or 38. The developed photo-sensitive material is passed through a cutter unit (54) Fig. 4 (not shown), comprising a cutter blade (57) and anvil blades (61), which removes a thin slice 14 including edge 13 and holes 51 and 52 so producing a borderless print with rounded edges. The cutter blade is operated by a solenoid on the sensing of each hole 51 by a photo-electric cell unit (63). Sensing of a hole 52 by another photo-electric cell unit (64) shuts off power to the cutter blade.
Patent GB-1452626-A (GB)
IPC: F41A1/10
Filed: 1973-12-14
Abstract: 1452626 Cartridges; a recoilless firearm DYNAMIT NOBEL AG 14 Dec 1973 [15 Dec 1972] 58151/73 Headings F3A and F3C A recoilless weapon having a barrel open at both ends houses a propellant cartridge which extends behind the projectile along substantially the entire remainder of the length of the barrel, the cartridge comprising a casing 8, a propellant charge 13, 14, a cavity 6, and tamping 7. The propellant charge is in two parts separated by an igniting charge 12, from which extend perforated gas-conducting pipes 15. Lines of weakness 19, 21 are provided in the casing 8 so that on firing the casing is driven out of the barrel by the propellant gases. The tamping comprises a charge 25 of iron powder formed with a bore 7 and is adapted to be expelled rearwardly from the weapon upon firing. The casing 8 has an external coating of wax or solid paraffin and is contained in a foil tube 30 which is removable with the aid of a rip cord prior to use. The cartridge is connected to the projectile by a bayonet connection.
Patent GB-1415324-A (GB)
Title: Protective mask for nose and mouth
Inventor: ANDERSSON I L
IPC: A41D13/11
Filed: 1972-12-18
Abstract: 1415324 Respiratory masks CEMA PRODUKTER 18 Dec 1972 [17 Dec 1971] 58393/ 72 Heading AST A face mask comprises a porous filter cup e.g. of synthetic fibres, and a securing strap 2, the cup consisting of a flat blank (4) of constant thickness with a V-shaped recess (5) the edges 6 of which unite to form a seam 7 outside the mask the mask being of constant thickness except in the region of the seam 7. The seam is formed by welding or glueing. A deformable nose clamp 8 comprising paper strip with an iron wire insert is secured e.g. by glueing. The strap 2 is elastic and secured to the mask by staples 3 or rivetting.
Patent GB-1069510-A (GB)
Title: Improvements in and relating to turbocharged internal combustion engines
Inventor: WHITEHOUSE NORMAN DAN
IPC: F02B37/16
Filed: 1962-08-02
Abstract: 1,069,510. Regulating; charging engines. ENGLISH ELECTRIC CO Ltd. Nov. 1, 1963 [Aug.2, 1962], No.58521/66. Divided out of 1,068,941. Heading F1B. A throttle valve or blow-off valve 48 in the delivery pipe 16 of an exhaust driven turbocharger 14 is actuated by a servomotor 45, controlled by a device 42 responsive to compressor delivery pressure, to prevent the delivery pressure exceeding a predetermined value.
Patent GB-1254883-A (GB)
Title: A process for the production of an antibiotic sf-733 substance
IPC: C07H15/23
Filed: 1968-12-10
Abstract: 1,254,883. Antibiotic SF-733 substance. MEIJI SIEKA KAISHA Ltd. 10 Dec., 1968 [18 Dec., 1967; 15 Oct., 1968]. No. 58604/68. Heading C2A. An antibiotic effective against gram positive-, gram negative-, pathogenic- and acid fast bacteria, the crystalline free base SF-733 substance being soluble in water, slightly soluble in methanol, sparingly soluble in ethanol, substantially insoluble in n-propanol, n-butanol, acetone, ethyl acetate, benzene, petroleum ether and chloroform, exhibiting in aqueous solution no absorption maximum of ultraviolet spectrum except end absorption, exhibiting infra-red absorption peculiar to amino-glycosidic antibiotics as shown in Fig. 5, in the form of white needles or short rods, fusing while decomposing with effervescence at 192-195 C., giving a positive reaction to Molisch, anthione ninhydrin and #-naphthol-sulphuric acid and negative Fehling, ferric chloride, Brady, biuret, Sakaguchi and maltol, containing C 44À19%, H 7.39%, N 11-60%, 0 (by difference) 36À82%, molecular formula C 17 H 34 N 4 O 10 , chemical structure of 0-#-D-ribofuranosyl 1-(1#5)-O- [α-2,6 -diamino - 2,6 - dideoxy - D - glucopyranosyl- (1#4)].2-deoxystreptamine which is dextro-rotatory and exhibits [α]<SP>23</SP>D + 42 degrees (C = 1, H 2 0) is prepared by cultivating Streptomyces ribosidificus SF-733 (ATCC 21294) in an aqueous nutrient medium containing assimilable nitrogen and carbon sources under submerged aerobic conditions to accumulate the amorphous free base of SF-733 substance in the medium and then recovering the SF-733 substance. Amorphous SF-733 substance may be recovered from the culture medium by filtration followed by column chromatography and crystalline SF-733 is produced by employing alcoholic solvents. The sulphate salt of SF-733 substance is formed by reaction of the free base with sulphuric acid.
Patent GB-1210728-A (GB)
Title: Self-aligning bearing and method of forming and mounting thereof
IPC: F16C23/04
Filed: 1968-12-10
Abstract: 1,210,728. Bearings. KAHR BEARING CORP. 10 Dec., 1968 [28 June, 1968], No. 58744/68. Heading F2A. A self-aligning bearing comprises a mounting 12 provided with a flange 16 and a threaded portion 18 of reduced diameter, so that the mounting can be detachably secured in a housing 30 by means of a threaded locking nut 19. A deformable locking pellet 28 may be included. The nut may alternatively be breech-locking (Fig. 5, not shown) or cam-locking (Fig. 7, not shown). A liner 13 of low-friction material may be included.