baber/WOPTO huggingface dataset:
Patent GB-1140979-A (GB)
Title: Substituted nitriles and pesticidal preparations containing them
IPC: C07D211/44
Filed: 1966-10-06
Abstract: 1,140,979. Substituted nitriles. CIBA Ltd. 6 Oct., 1966 [7 Oct., 1965], No. 44633/66. Heading C2C. [Also in Division A5] The invention comprises compounds of the general formulµ and in which X represents a halogen atom or the group -SR 1  or where R 1  indicates a C 1-4  alkyl or an unsubstituted or substituted phenyl radical, R 2  and R 3 , which may be identical or different, each represents a hydrogen atom, a C 1-4  alkyl or an unsubstituted or substituted phenyl radical or, together with the nitrogen atom, form a ring of 5 to 7 members; Y represents a halogen atom and Z the group -CN, -COOR 4  or where R 4  indicates a C 1-4  alkyl. radical, R 5  and R 6  which may be identical or different, each represents a hydrogen atom, a C 1-4  alkyl or an unsubstituted or substituted phenyl radical or, together with the nitrogen atom, form a ring of 5 to 7 members. The compounds may be prepared by reacting a compound of the general formula with a halogenating agent, e.g. C1 2 , Br 2  or SO 2 Cl 2 . In Example 1, various compounds of the general formula  are prepared by the method described by Gompper and T÷pfl in Chem. Ber., 95, pp. 2861 and 2871 (1962).
Patent GB-1495658-A (GB)
Title: Di-organotin maleate mixtures
IPC: C07F7/22
Filed: 1975-10-30
Abstract: 1495658 Organotin maleate mixtures CIBAGEIGY AG 30 Oct 1975 [13 Nov 1974] 44856/75 Heading C2J [Also in Division C3] The invention comprises (a) a mixture of compounds generically represented by the formula where R and R<SP>1</SP> are C 1-12  alkyl or benzyl, R<SP>1</SP> is C 2-12  alkylene or a polyethylene glycol radical of 2-6 units, Ra and Ra<SP>1</SP> are linear or branched C 12-18  alkyl or alkenyl radicals and n is a mean value for a rational number greater than 0 and less than 2, and (b) a modification of such a mixture in which up to one third of the terminal maleic acid half-ester groups or are replaced by monocarboxylic acid radicals of formula R 2 -COO- where R 2  is linear or branched C 11-17  alkyl or alkenyl. The mixtures may be prepared by initially reacting diols HO-R<SP>1</SP>-OH and alcohols RaOH, optionally together with Ra<SP>1</SP>OH, with maleic anhydride and then reacting the resultant half-esters, optionally together with acids R 2 -COOH, with (R) 2 SnO and optionally (R<SP>1</SP>) 2 SnO while removing the water of reaction that forms, usually by distillation under normal pressure or under vacuum. The mixtures are useful as stabilizers for vinyl chloride polymers.
Patent GB-1084397-A (GB)
Title: Organosilicon compounds and method of manufacture
IPC: C07F7/18
Filed: 1965-10-22
Abstract: A ketosilane of formula <FORM:1084397/C3/1> is prepared by reacting a silyl acyl chloride of formula <FORM:1084397/C3/2> with an alkylaluminium halide of formula R1AlY2, where Y is a halide substituent; R is a halogen-substituted or halogen-unsubstituted monovalent hydrocarbon radical, or an alkyl radical substituted with an OR11 group, where R11 is a monovalent hydrocarbon radical free of aliphatic unsaturation or a monovalent radical free of aliphatic unsaturation and consisting of C, H and O atoms with each O atom attached to two carbon atoms; R1 is an alkyl radical, m=0, 1, 2 or 3, a=integer from 2 to 10 and p=0, 1, 2 or 3 and is no larger than m. Ketosilanes of formula XnR3- nSi(CH2)aCOR1 where X is a halogen atom, an alkoxy radical, aryloxy radical, acyloxy radical or a substituted or unsubstituted amine radical, n=1, 2 or 3 are claimed per se. Cyclic organopolysiloxanes of formula (R[R1CO(CH2)a]SiO)x where x = an integer from 4 to 16 are also claimed per se.  Examples describe the preparation of (1) 5-(trimethylsilyl)-2-pentanone and a disiloxane of formula [CH3CO(CH2)3Si(CH3)2]2O (2) gamma - (trimethylsilyl) - 3 - hexanone, (3) a disiloxane prepared from gamma (chlorodimethylsilyl) butyryl chloride, (4) beta-(dichloromethylsilyl)-2-butanone and a cyclic polysiloxane of formula (R1112SiO)x, where x=4 to 16 and R111 is a monovalent organic radical, prepared from it, (5) dimethyl-polysiloxane and but-3-one-yl methylpolysiloxane prepared from 4 - (dichloromethylsilyl) - 2 - butanone and dimethyldichlorosilane and (6) 4 - (chlorodimethylsilyl) - 2 - butanone and gamma- (ethoxydimethylsilyl) 2-pentanone.
Patent GB-1487698-A (GB)
Title: Carrier for immunochemical measurement
IPC: G01N33/556
Filed: 1975-10-30
Abstract: 1487698 Immunological reagent MOCHIDA SEIYAKU KK 30 Oct 1975 [16 Nov 1974] 45036/75 Heading G1B An immuno-chemical reagent comprises a suspension of blood cells which are bound to tannic acid in a quantity 30 to 500 mg tannic acid per I ml of the blood cells. The cells may be initially unfixed or fixed with formaldehyde, pyruvaldehyde or hydrogen peroxide, and may be suspended in a buffer which is phosphate-buffered saline, physiological saline, borate buffered saline or veronal buffer. There are disclosed carriers sensitized with rabbit gamma globulin as anti-human serum albumin (HSA) antibody, and with a 2,4-dinitrophenol-bovine serum albumin product (DNP-BSA).
Patent GB-1428513-A (GB)
Title: Ingition timing control devices for automotive engines
IPC: F02P5/10
Filed: 1973-09-26
Abstract: 1428513 Timing ignition NIPPONDENSO CO Ltd 26 Sept 1973 [29 Sept 1972 11 Oct 1972] 45041/73 Heading F1B [Also in Division H 1] An ignition timing control device for an automotive engine comprises a thermosensitive switch 1 which includes at least two thermal ferrites 14, 15 with different Curie points disposed so as to detect the temperature of the engine and electromagnetic means 11 for transmitting in response to signals from the thermosensitive switch 1 the negative pressure of intake air to a diaphragm chamber 8 of a distributor 7, vacuum advance mechanism or to communicate the diaphragm chamber with the surrounding air. As shown the thermosensitive switch is fixed to a hose Z through which cooling water flows from the engine to a radiator and the electromagnetic means 11 comprises a three-way solenoid valve inserted between an advancer port 4 of a carburetter 5 and the diaphragm chamber 8 in such a way that the negative pressure of intake air may be transmitted through the advancer port and a conduit or passage, to the diaphragm chamber when the temperature of the cooling water is less than a predetermined lower temperature or in excess of a predetermined higher temperature or the diaphragm chamber may be communicated with the surrounding atmosphere through the three-way solenoid valve when the temperature of the cooling water is between the lower and the higher temperatures. A switch 24 actuatable in response to vehicle speed may be connected in parallel with the thermosensitive switch. In a modification the electromagnetic means comprises a two-way solenoid valve. The switch 24 may comprise an electronic relay.
Patent GB-1300293-A (GB)
Title: A solid-state image intensifier
IPC: H01L31/14
Filed: 1970-09-22
Abstract: 1300293 Electroluminescence MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 22 Sept 1970 [22 Sept 1969] 45046/70 Heading C4S [Also in Division C1] A solid state image intensifier comprises a layer of photoconductive material 16 and a layer of electroluminescent material 13, the impedance of the former varying with applied radiant energy, first conductive layer 17 permeable to visible light, X-rays, infra red or U.V. rays for example, transparent conductive layer 12, and D.C. and A.C. voltage sources, the EL material consisting of 45 to 70% by volume of particulate EL phosphor having an inherent non-linear resistance, the remainder being binding material, the phosphor conferring a non-linear resistive impedance to the EL layer which keeps the D.C. value across the pc layer at a constant value so that when a unidirectional field provided by said D.C. voltage source is varied to shift the characteristic curve (Fig.3, not shown) to a low input energy range, there is no appreciable change in contrast ratio and gamma value. The pc layer may be formed from sulphides, selenides or tellurides of Cd, Pb or Zn (e.g. CdS, CdSe or cadmium sulphoselenide activated by Cu, Ag, Cl, Al or Ga); the EL layer from ZnS: Cu, Al, and the binding material a vitreous material such as borosilicate glass enamel or a plastic such as epoxy resin. The borosilicate glass enamel may be SiO 2 , 14À5 to 44À1%, B 2 O 3  23À7 to 28À7%, ZnO 2À2 to 23À5%, BaO up to 14À6%, Na 2 O 10À9 to 15À4%, K 2 O up to 4À2%, TiO 2  up to 9À0%, Al 2 O 3  up to 2À7% and CaO, MgO, Pe 2 O 3  and PbO up to 1À2% and having a softening point 45‹ to 515‹ C. and sol. thermal expansion coeff. of 260 Î 10<SP>-7</SP> to 340 Î 10<SP>-7</SP>‹C. in which case a heat resisting substrate is used such as soda glass which has a higher softening point and same vol. exp., e.g. 690‹ C. and 310 Î 10<SP>-7</SP> respectively. The EL mix is applied with an organic solvent such as alcohol at 500 to 670‹ C. Layers 14, 15 of a resistive, light reflective material and a resistive, light opaque material may be included layer 14 being particles of ferro-electric material such as high specific resistance BaTiO 3 , providing increased dielectric constant, mixed with a resistive plastic or with a resistive material such as TiO 2  and a plastic such as epoxy resin, and layer 15 being a powdered resistive material such as CdS : Cl. Layers 14, 15 are 10Á and 15Á thick and prevent EL layer 13 damage from breakdown. Layers 14, 15 may compensate layer 13 resistance and impedance matching of the D.C. circuit and layers 14, 15 may be nonlinear or linear resistances and preferably of smaller resistance than the pc layer dark resistance which may be 200 to 500Á thick. Conductors 12 and 17 may be of tin oxide and layer 17 may be evaporated Al. Alternatively, parallel wires or an apertured or grid electrode may be used. Fig. 5 (not shown) illustrates a nonlinear V-I characteristic for an EL layer containing 50% EL phosphor.
Patent GB-1138918-A (GB)
Title: Fuel compositions
IPC: C10L1/24
Filed: 1967-10-04
Abstract: 1,138,918. Fuel additives. MOBIL OIL CORP. 4 Oct., 1967 [10 Oct., 1966], No. 45134/67. Heading C5G. An additive for reducing the smoke formation during combustion of a liquid hydrocarbon fuel, e.g. diesel fuel, fuel oil, jet fuel, or heating fuel, is prepared by forming an anhydrous mixture of alkaline earth metal oxide, methanol and carbon dioxide at up to 65‹ C. and reacting this mixture with an organophenol sulphide or an organonaphthol sulphide having from 4 to 30 carbon atoms in the organo group; the mole ratio of carbon dioxide to metal being 0À4 to 0À8. The preferred organophenyl sulphides have from 8-16 carbon atoms in the organo group, which may be alkyl, e.g. nonyl. or dodecyl, aryl, alkaryl, aralkyl, haloalkyl, haloaryl, alkoxy, aryloxy, or alkenyl, and can be made by reacting the phenol with a sulphurcontaining reagent in a mole ratio of phenol to sulphur reagent of from 1 : 1 to 2 : 1. A CaO-MeOH-CO 2  reaction product may be formed separately and then combined with the phenol sulphide or all four reactants may be mixed together. Inert diluents such as mineral oil, alkyl and aromatic hydrocarbons and halogenated hydrocarbons may be used and when high calcium containing salts are used a co-solvent, such as hydrocarbon fluids and halogen-containing fluids, e.g. chlorobenzene and carbon tetrachloride, may be used. The finished product may be treated with a further CO 2  charge to improve its storage clarity. The methanol is distilled from the product before it is added, in amounts of 0À05 to 10% by weight, to the hydrocarbon fuels.
Patent GB-1133317-A (GB)
Title: Process for the polymerisation of beta-lactones
Inventor: QUIST BERNARDUS BASTIAAN
IPC: C08G63/78
Filed: 1967-10-05
Abstract: 1,133,317. Polymerizing lactones. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 5 Oct., 1967, No. 45475/67. Heading C3R. Polyesters are made by continuously polymerizing an alpha-substituted beta-lactone in a wiped film reactor, the first part of the reactor wall being kept at a temperature below 60‹ C. and the last part at a temperature of 250‹ to 350‹C. Polymerization is effected in the presence of an anionic initiator, e.g. a tertiary amine, phosphine, stibine or arsine, a quarternary ammonium, phosphonium, stibonium or arsonium compound, or trimethyl sulphonium iodide. Preferred lactones are alpha, alphadialkyl beta-propiolactones in which each alkyl group contains 1-4 carbon atoms, especially pivalolactone. The reactor axis may be vertical or horizontal and the casing may be cylindrical, conical or partly cylindrical/partly conical. The wiping elements may be blades or rollers. In the drawing, lactone (preferably cooled to - 20‹ to + 10‹ C.) is fed via inlet 7 into a reactor inside of which is a rotating shaft 9 having four wiping elements 10 spaced 0À5 to 5À0 mm. from the reactor wall. The first part of the reactor A is surrounded by a jacket through which a suitable fluid is circulated to maintain the reactor walls at below 60‹ C. The next part C is also surrounded by a jacket and is maintained at 90-150‹ C. to start the polymerization. The next part D is unheated and polymerization proceeds adiabatically. The final part B is surrounded by a jacket to maintain the reactor walls at 250-350‹ C. and in this zone polymerization is completedunreacted lactone is driven off and returns to part A. Polyester is removed via outlet 8. The total residence time in the reactor is preferably 5-300 seconds.
Patent GB-1048760-A (GB)
Title: Handle holder
IPC: A47L13/512
Filed: 1965-10-27
Abstract: 1,048,760. Clamps. STEWART-WARNER CORPORATION. Oct. 27,1965 [Oct. 30,1964], No. 45491/65. Heading E2B. A handle holder for detachably carrying an article upon a wall comprises a bracket 10 having a pair of spaced-apart legs 18, 20 projecting from a bridge piece 12 for fixing to the wall, a dog 24 pivotally mounted on the bracket and having an eccentric surface cooperating with one leg 18 of the bracket to engage a handle between eccentric surface and leg, and a spring 30 acting between a leg and the dog biasing the dog about its pivot against the handle. As shown, the dog is made of rubber and is formed with serrations 46.
Patent GB-983024-A (GB)
Title: Liquid sealing element
Inventor: LILLIE ANTHONY ERNEST
IPC: F01L3/08
Filed: 1962-12-01
Abstract: 983,024. Seals. STEELS & BUSKS Ltd. Nov. 21, 1963 [Dec. 1, 1962], No. 45578/62. Heading F2B. A seal for preventing passage of oil between the stem 3 and the guide 4 of an I.C. engine poppet valve 1 comprises an annular body 10 of elastomeric material (preferably synthetic rubber) surrounded by a shell 11 of hard material (e.g. mild steel) having a depending skirt 13 by which it is secured to the guide 4 with the body 10 in surrounding sealing engagement with the stem 3. The body 10 is preferably bonded to the shell 11 and is provided with a bevelled resilient outer end 12 projecting from the shell and with an extension 14 which is retained between the skirt 13 and the tapered end of the guide 4. The skirt 13 is turned, crimped or swaged over at its free end so as to be locked in engagement with the guide 4 which, for this purpose, may be provided with at least one annular recess or groove 16.
Patent GB-1236615-A (GB)
Title: Catalytic polystep reactions
IPC: C07C41/06
Filed: 1968-09-26
Abstract: 1,236,615. Polyfunctional resin-metal catalysts. MOBIL OIL CORP. 26 Sept., 1968 [2 Oct., 1967 (2)], No. 45770/68. Heading B1E. [Also in Divisions C2, C3 and C7] A polyfunctional catalyst having (i) acidic or basic sites or both and (ii) metal or metal compound sites or both, for use in polystep reactions, comprises an ion-exchange resin containing a catalytically active metal or metal compound, or both. Preferred catalysts have metal sites and acidic or basic sites, the preferred metals being those of groups IB and VIII, the preferred acidic sites being sulfonic, phenolsulfonic, phosphonic, carboxylic or phenolic acid sites and the preferred basic sites being primary, secondary, tertiary or quaternary amine basic sites. Reactions in which these catalysts are used include reaction of an aliphatic ketone and an aliphatic alcohol to give an ether and reaction of a cycloalkanone and an aliphatic carboxylic acid to produce a cycloalkyl ester of the acid and reactions may be carried out in the liquid phase and at a temperature below 180C.
Patent GB-987632-A (GB)
Title: Improvements in or relating to processes for doping high-purity substances
IPC: C30B13/10
Filed: 1961-12-21
Abstract: A body of material is doped by applying a solution or dispersion of a doping agent, evaporating the solvent or dispersion medium, and subjecting the treated body to zone-melting in a crucible followed by crystal pulling.  The doping agent may be dissolved or dispersed in admixture with material of the body. Silicon may be doped with aluminium, antimony, boron, or phosphorus; boron may be doped with silicon; and gallium arsenide may be doped with zinc.  The liquid medium may be water, benzine, an alcohol, or an oil, and may contain a viscosity-increasing agent, e.g. glycerine, gelatine, or an oil. The medium may contain sodium hydroxide in the treatment of silicon. The body may have been roughened, e.g. by etching.  The solution may be applied as discrete drops, as a continuous film, or as one or more stripes.  A constant or varied resistivity may be produced. Examples are given.
Patent GB-1505090-A (GB)
Title: Cyclodiene insecticides
IPC: C07D303/10
Filed: 1975-11-06
Abstract: 1505090 Bis- and tris-dechlorodieldrins NATIONAL RESEARCH DEVELOPMENT CORP 4 Nov 1976 [6 Nov 1975] 46077/75 Heading C2C 10-Syn-dechlorodieldrins of general formula wherein X is H or Cl, are prepared by photodechlorinating one or both vinylic Cl atoms of dieldrin and reductively removing one Cl atom at the dichloromethano bridge, in any desired order. The photodechlorination is normally effected under the influence of U.V. light and the reductive dechlorination using a metal hydride such as tri-n-butyl tin hydride in the presence of a free-radical initiator or with a mixture of NaBH 4  and a Co salt. 2,3,10 - Syn - trisdechlorodieldrin 2,3 - epoxide obtained from the above dechloro X = H to treatment with CF 3 CC
Patent GB-1515685-A (GB)
Title: Aminoglycoside antibiotics
IPC: C07H15/234
Filed: 1975-11-07
Abstract: Reaction of the following compound with an oxidising agent results in preparation of the corresponding demethylated compounds <IMAGE> in which either both R1 and R2 are methyl groups or one of the two radicals is a methyl group and the other is a hydrogen atom. When both R1 and R2 are methyl groups, the methyl group in the 3''-N position or both methyl groups are eliminated, but when one of R1 and R2 is a methyl group and the other hydrogen, the methyl group is eliminated. The resulting compounds are valuable antibiotics.
Patent GB-1057159-A (GB)
Title: Improvements in or relating to electrical switch units
Inventor: BURROWS ARTHUR THOMAS CHARLES
IPC: B66C13/56
Filed: 1964-11-13
Abstract: 1,057,159. Retractive switches. GEO. W. KING Ltd. Oct. 22, 1965 [Nov. 13, 1964], No. 46423/64. Heading H2B. A pendant switch unit for control of hoists comprises a tubular casing 11 having end covers 10 and 12 secured to, and supporting an internal switch-carrying framework formed by two parallel spaced strip-like members 18 and 19. The members 18 and 19 carry fixed contacts 20 riveted in pairs on insulating strips 32 for cooperation with bridging rollers 27 in carriers 26 which are pivoted in opposed pairs on respective plungers 21, 22 and 23, slidably supported in the members 18 and 19. Respective retraction springs 24 act on the plungers, and an overcentre tension spring 31 (Fig. 3, not shown) between the carriers 26 on each plunger provides snap action. Flexible elements 15 are fitted in the casing 11 opposite plungers 21 and 23 which are respectively depressed to close contacts for opposite rotation of the hoist motor 40 (Fig. 4, not shown) while the plunger 22 is provided with change-over contacts to increase the motor speed when either plunger 21 or 23 is sufficiently depressed to cause a projection 25 thereon (Figs. 1 and 3, not shown) to engage the plunger 22. A slidable bar 36 (Fig. 3, not shown) prevents plungers 21 and 23 being depressed simultaneously. The members 18 and 19 and the casing 11 may be made longer to accommodate more than the three switches.
Patent GB-999694-A (GB)
Title: Information store
IPC: G11C17/02
Filed: 1962-12-10
Abstract: 999,694. Permanent storage matrix. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 10, 1962 [Dec. 14, 1961], No. 46516/62. Heading H3B.[Also in Division G4] A permanent storage memory comprises thick magnetic films 1 which may be biased into the hard direction by permanent magnets 3 but which on removal of the bias magneticfield return to a position with no net magnetic field and with the domains parallel to the easy direction but in different senses. Words are read out by pulses in strip lines 9, 11 terminated in their characteristic impedances 15 which, if domain rotation to the hard direction takes place, induces pulses in sense windings 17 which have two halves 17a and 17b crossed at each element 1 to reduce the effects of noise and to increase the coupling with the element 1 The sense windings 17 are connected to differential amplifiers 19 or strobed amplifiers as known in the art. The films and conductors may be deposited on glass substrate so that the elements 1 are equidistant from the conductors 9, 11 and the permanent magnets 3 are conveniently arranged on cards 5 which may be punched cards. The film thickness is probably 4,000- 7,000 Angstroms. The use of thick films is stated to improve the resetting time and thus the possible operating frequency but thin films are within the scope of the invention.
Patent GB-1074270-A (GB)
Title: Benches for the manufacture of large building elements
IPC: B28B7/00
Filed: 1965-11-03
Abstract: 1,074,270. Moulding structural panels. R. F. E. CAMUS. Nov. 3, 1965 [Nov. 10, 1964], No. 46568/65. Addition to 954,969. Heading B5A. [Also in Division H5] The invention of the parent Specification, which concerns a bench for casting large concrete building units such as walls in a mould having an electrically heated metal base to assist the setting of the concrete, is modified by the electrical heating means being disposed in a removable unit underneath the mould. As shown, the bottom plate 21 of the bench is heated by a unit 32 comprising a plate 41 having a heating element 43 attached thereto. The plate 41 is supported by a frame 45 and located thereby in a box 33 containing insulating layers 36, 38, bolts 46 attaching the unit 32 to the bench-supporting framework (10). In a modification, the framework (10) comprises longitudinal members (11), (12) spaced apart by a series of cross-members (13), (14), each adjacent pair of which forms a section containing a heating unit which may be removed separately. In both embodiments the heating element 43 is not affected when the plate 21 is vibrated to produce a high-quality moulded aggregate.