baber/WOPTO huggingface dataset:
Patent GB-1470106-A (GB)
Title: Aromatic beta-diketones and their use in the extraction of meta values from aqueous solutions
IPC: C07C45/00
Filed: 1974-08-16
Abstract: 1470106 Recovery of copper and nickel GENERAL MILLS CHEMICAL Inc 16 Aug 1974 [24 Aug 1973] 36231/74 Heading C1A [Also in Division C2] Metal values, e.g. Cu<SP>++</SP>, and Ni<SP>+</SP> + are extracted from their aqueous solution, e.g. aqueous ammoniacal solutions, by contacting said solutions with a solution of a compound of formula in which R is phenyl optionally substituted by one or more alkyl groups having at least seven carbon atoms and at least one of which groups is branched chain; R<SP>1</SP> is alkyl or phenyl substituted by one or more alkyl or one or more chloro groups and R<SP>11</SP> is H or CN provided that when R is phenyl, R<SP>1</SP> is a branched chain alkyl group of at least seven carbon atoms, in a solvent having a boiling point above 150 C., e.g. petroleum derived liquid hydrocarbons such as kerosene or fuel oil. The metal values may be stripped from the extract by contact with aqueous acids or aqueous ammonia or by electrolysis.
Patent GB-1312407-A (GB)
Title: Bottle crates
IPC: B65D1/24
Filed: 1971-08-02
Abstract: 1312407 Bottle crates SPUMAUT-ANSTALT 2 Aug 1971 [31 July 1970] 36234/71 Heading B8P A plastics bottle crate for bottles is divided into rectangular compartments and has an inwardly extending depression 1, 2, 3 on the base of each compartment which is disposed asymmetrically of the axis 5 of the compartment and is adapted to embrace the ends of the bottle necks or bottle caps of bottles in an underlying crate. The widths a, b, c of the depressions increase with increasing distance away from the transverse axis 4 so that at least three bottles in a crate are caused to bear against edges of the depressions in an overlying crate, the crates being stacked with their longitudinal axes at right-angles. The side walls 7, 8 of the crate are provided with rectangular tubes 9, 10 having external ribs (11) to ensure that the crates abut when stacked in a staggered relationship. The tubes may carry upward extensions to locate empty crates stacked one above the other.
Patent GB-1111050-A (GB)
Title: Mixtures of water-insoluble disazo dyestuffs and process for their manufacture
IPC: C09B35/10
Filed: 1966-08-12
Abstract: Water-insoluble dyestuff mixtures consists of an asymmetric dyestuff of the general formula <FORM:1111050/C4-C5/1> and two symmetrical dyestuffs of the general formula <FORM:1111050/C4-C5/2> <FORM:1111050/C4-C5/3> in which formulae R1 is a phenyl radical optionally substituted by alkyl, alkoxy or chlorine, or naphthyl, and R2 is an aromatic or heterocyclic radical which may contain non-water solubilizing groups, provided that when one coupling component in the mixture of two coupling components used to prepared the mixture dyestuffs is 1-acetoacetylamino-2-methoxybenzene the other coupling component is neither 1-acetoacetylamino-2,4-dimethylbenzene nor 1-acetoacetylamino-2,5-dimethoxy-4-chlorobenzene. R2 may be an optionally substituted phenyl group or a naphthalene, carbazole, carbostyril, benzimidazole, benzimidazolone, pyridine, benzindazole, benzotriazole, benzothiazole or ethoxybenzothiazole.  The dyestuffs are prepared by conventional means, the coupling components preferably being mixed in the molar ratio of 1:1 to 20:1.  The product may be heated with an organic solvent or a resin soap.  The yellow pigments obtained are used for dyeing or colouring plastic masses, synthetic and natural resins, laquers and lakeformers, spinning masses, printing paper and textiles.
Patent GB-904074-A (GB)
Title: Cartridge for firing projectiles fitted end-on on firearms
IPC: F42B10/34
Filed: 1960-10-24
Abstract: 904,074. Ammunition cartridge. A.V.R. ACHAT, VENTES, REPRESENTATIONS S.A. Oct. 24, 1960 [Oct. 28, 1959], No. 36414/60. Class 9 (1). An ammunition cartridge for firing projectiles, as in Specification 904,073, comprises a case 1 and bullet 2, the latter being characterized in that it has an axial bore 3 containing an ignition powder 6, the powder being retained in position by caps 7, 8 which fit into counter-bores 4, 5. Each cap consists of discs of easily tearable material and is held in place by a ring 9, 10 which itself is snapped into position with the counter-bore 4, 5. The bullet is intended to remain attached to the case, the case being empty, but still having the usual percussion cap which on being struck ignites the powder 6 which in turn ignites the relay of the projectile.
Patent GB-367941-A (GB)
Title: Improvements in and relating to reducing the resistance to the propulsion of ships
IPC: B63B1/38
Filed: 1930-12-04
Abstract: 367,941. Reducing the resistance of ships. MARCONNET, G., 12, Rue de l'Isly, Paris. Dec. 4, 1930, No. 36625. Convention date, Dec. 6, 1929. [Class 113 (i).] At the fore part of a ship a double walled hole is provided to the space between which gaseous fluid is introduced under pressure and the outer wall has a number of apertures the area of these increasing with their depth of immersion. The outer wall 1 may form part of the main hull the inner wall being spaced therefrom within the hull or the outer wall may be an outstanding sheet supported on the main hull. The exterior wall 1 has a number of holes 3 and they may vary in diameter from 4 to 6 millimetres and be spaced so that there are 250 holes per square metre. The pressure of the gaseous fluid is equal to the hydraulic pressure on the keel line.
Patent GB-1115002-A (GB)
Title: Reclaiming spent coagulant liquors of the viscose process
Inventor: LANE MICHAEL
IPC: C01D5/00
Filed: 1964-09-08
Abstract: 1,115,002. Spinning viscose. COURTAULDS Ltd. 7 Sept.. 1965 [8 Sept., 1964], No. 36701/64. Heading B5B. The activity of a spent viscose coagulant liquor, containing, relative to the active coagulant, insufficient formaldehyde and sulphuric acid and an excess of both sodium sulphate and water, is restored by freezing the liquor to convert it to a dispersion of ice and Glauber's salt crystals in a mother liquor, separating the mother liquor from the crystals and adding make-up quantities of formaldehyde and sulphuric. acid to the mother liquor to reform the active coagulant liquor. The spent liquor suitably contains less than 9% by weight of Na 2 SO 4 . The spent liquor may be cooled by brine to - 4‹ C. to - 10‹ C., and crystals separated by-filtration or centrifuging. The amount of water removed as ice may be such that the desired water content is obtained without subsequent addition of make-up water. The process may be made continuous.
Patent GB-1042285-A (GB)
Title: Three phase controller using sequence switching
Inventor: EMDEN BERNARD MYRON VAN
IPC: H02P8/20
Filed: 1964-09-08
Abstract: 1,042,285. Transistor multi-stable circuits. BARTON INSTRUMENTS CORPORATION. Sept. 8, 1964, No. 36787/64. Heading H3T. [Also in Division G4] A tri-stable circuit, for use in a step-by-step motor control circuit comprises three transistors Q1, Q2, Q3, Fig. 2, provided with temperature stabilizing diodes Dl, D2, D3. A negative input pulse, on one of leads 21, 22, 23, to any one of the transistors makes that transistor conduct which, via diode coupling from its collector to the bases of the other two transistors, makes them cut-off and this in turn makes the first transistor continue conducting. Input pulses come from a logic circuit, Fig. 1 (see Division G4), and the motor windings are connected to the collectors by leads 14, 15, 16.
Patent GB-1194055-A (GB)
Title: Improvements in or relating to toothbrushes
IPC: B25G3/38
Filed: 1967-08-11
Abstract: 1,194,055. Toothbrush handles. ARPAC S.A.S. 11 Aug., 1967 [16 Sept., 1966], No. 36993/67. Heading B4K. A toothbrush handle is composed of two portions arranged to bend resiliently about a pivot when a certain pressure is applied. Two L-shaped portions 2, 7 (Fig. 1) are hinged at 4 and connected by a resilient member 5 mounted selectively in slots 9. The two portions 50, 51 of Fig. 7 are interconnected by a hinge 54 and compression spring 55. The hinge 54 may be on the other face of the handle (Fig. 5, not shown) and the spring 55 replaced by a resilient member in tension, the tension being adjustable by a screw fixing. The handle in another embodiment (Fig. 6, not shown) comprises two hollow portions hinged together with a resilient member through the hollow centre, the tension being adjustable by a screw fixing at the end of the handle. In yet a further embodiment the handle comprises two rigid sections (Fig. 3) having a portion at each inner end cut away to reduce the thickness to half. The cut-away portions are overlapped and hinged at one or other end and surrounded by a resilient band.
Patent GB-522904-A (GB)
Title: Improvements in circuit arrangements for operating gas-filled electric discharge devices
IPC: H05B41/232
Filed: 1938-12-20
Abstract: 522,904. Supply systems for space discharge apparatus. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. fur Elektrische Gluhlampen). Dec. 20, 1938, No. 37043. [Class 38 (iv)] A supply system for a gas-filled discharge device, e.g., a lamp, having at least one thermionic main electrode, 2, 3 comprises an inductor 8 which is (1) part of the stability choke and in series with the remainder 4 of it, (2) part of the oscillating choke employed in a resonant starting-voltage circuit and in series with the remainder 6 (if any) of it, and (3) constitutes the primary of the transformer supplying heating current to the main electrode or electrodes. The stabilizing choke 4 may be magnetically coupled to the inductor 8 and transformer secondaries 9, 10.
Patent GB-619649-A (GB)
Title: Improvements in or relating to liquid fuel and like burners
IPC: F23D11/44
Filed: 1946-12-18
Abstract: 619,649. Liquid-fuel burners. PETIT, P. L. F. J. Dec. 18, 1946, Nos. 37305 and 37306. Convention dates, Jan. 10, and Oct. 24. [Class 75 (i)] A liquid-fuel burner for use in combination with a combustion chamber has an inclined vaporizing tube V, the lower end of which is placed outside the combustion chamber and connected through a control cock R with a fuel supply pipe T, and the upper end is connected through a tube C with the burner nozzle B, the axis of which is directed substantially towards the upper part of the tube C which is placed in the combustion chamber. The nozzle B is supported either above or below the tube C by a bent tube D, and comprises a pair of spaced tubes for controlling the air supply thereto. The pipe T and cock R may be connected either above or below the tube V, and the ends of the tubes V, C may be fitted with removable plugs N, N<1> to facilitate cleaning.
Patent GB-957524-A (GB)
Title: Improvements in or relating to implements for laterally displacing material lying onthe ground
IPC: A01D78/00
Filed: 1960-10-31
Abstract: 957,524. Haymaking machines. C. VAN DER LELY-N.V. Oct. 31, 1960 [Nov. 24, 1959], No. 37373/60. Heading A1F. In a haymaking machine of the type having two forwardly-converging rows of rake-wheels, 9, 10, the foremost rake-wheel of one row 10 is located partly behind the corresponding rake-wheel of the other row 9 when the rows are equally inclined to the line of travel, so that no ground is left unworked in the path of the implement. The rows are mounted on beams 2, 3 interconnected at their forward ends by the pair of superimposed cross-members 8 which provide a bearing for a caster 7. Further cross-members 1A, 4 secure the beams together to form a frame 1 which is rigidly fixed to a beam 6A on the front of a tractor 6. The front portion of the beam 2 is arched to pass over the foremost rake-wheel of the row 10 and the foremost rakewheel 9 is mounted on a bearing 12 on the extreme end of the beam 2. The overlap-distance 30 is onefifth of a rake-wheel diameter; the distance 20, between the second wheel 9 and the foremost wheel 10, is less than one-eighth of a rake-wheel diameter. Additional beams 22 carrying further rakewheels 24 may be secured to the rear ends of the main beams 2, 3.
Patent GB-1464294-A (GB)
IPC: F01L9/20
Filed: 1974-08-27
Abstract: 1464294 Automatic control of fuel injection in IC engines DAIMLER-BENZ AG 27 Aug 1974 [31 Aug 1973] 37436/74 Heading G3N [Also in Division F1] An I.C. engine has digital control apparatus for controlling the opening and closing of inlet and exhaust valves, operating injector valves and providing an ignition signal at the correct instants in the four stroke cycle which apparatus includes a read only memory (ROM) which stores the  required positions as 8-bit words at addresses determined by the engine operating parameters, e.g. throttle position, speed, inlet manifold pressure or temperature. To reduce the needed storage capacity the closing time of the inlet valves and opening time of the exhaust valves are arranged to be fixed. The apparatus is sequenced by a pulse generator arrangement co-operating with a wheel rotating at half engine speed and having one sensor responsive to 256 marks and a second sensor responsive to a single synchronizing mark which provides an effective starting pulse to reset the circuitry. In operation the output sequence of the ROM on lines 21-28 is applied to all four memory registers SR1, 3, 4, 6 and a particular word in the sequence is stored in the register which simultaneously receives a command input A, B, C or D. The registers FR2, 5 contain a pre-set word which does not vary with the operating parameters and controls the inlet valve closing and exhaust valve opening. The output from the crank-shaft angle sensor appears as an 8 bit word on lines 31-38 and is continuously compared in comparator PNE 1-6 with the words stored in the memory registers. When the numbers are equal a pulse is sent to the respective sequence generator FPG 1-6 which generates a sequence of operating pulses, one for each cylinder of the engine. As shown the generator FPG1 employs a counter FPZ which is started by the pulse output from PVE1 and provides a sequence of setting signals at the correct crank-shaft positions to the bi-stables 48-51 for the inlet valves EV and to the bi-stables for the injection valves BV. A similar sequence generator FPG2 provides resetting signals to the bi-stables 48-51 to close the inlet valves. Generator FPG3 stops the fuel injection and FPG4 provides the ignition pulses Z and the generators FPG5 and 6 control the operation of the exhaust valves. It is stated that a safety circuit may be provided to close the fuel injection valves under fault conditions.
Patent GB-1468012-A (GB)
Title: 2-amino-3-carboxy-thiophene derivatives
IPC: C07D333/38
Filed: 1973-08-09
Abstract: 1468012 2-Amino-3-carboxy thiophene derivatives BEECHAM GROUP Ltd 9 July 1974 [9 Aug 1973] 37699/73 Heading C2C Thiophene derivatives of general formula wherein R 1  is -NHR 5  or -OR 5 , in which R 5  is H or C 1-6  alkyl; R 2  is H or -COR 6  in which R 6  is C 1-6  alkyl; one of R 3  and R 4  is a phenyl group substituted by a halogen atom, methyl, CF 3  or methoxy group and the other of R 3  and R 4  is H, C 1-6  alkyl or phenyl optionally substituted by a halogen atom, methyl, CF 3  or methoxy group; and salts thereof when COR 1  is an acid group, are prepared by reacting sulphur with the compounds R 4 .CO.CH 2 R 3  and Amongst the examples 2-amino-5-(4-methylphenyl) - 3 - thiophene carboxamide, 2 - acetamido - 5 - (4 - fluorophenyl) - 3 - thiophenecarboxamide and the corresponding ethyl ester and free carboxylic acid derivatives are prepared. 1-(4-Chorophenyl)ethylidene cyanoacetamide is obtained from 4-chloroacetophenone and cyanoacetamide. Pharmaceutical compositions comprise a thiophene derivative as defined above together with a pharmaceutically acceptable carrier.
Patent GB-872381-A (GB)
Title: Improvements in or relating to epoxy resin compositions
Inventor: RENFREW MALCOLM MACKENZIE
IPC: C08L63/00
Filed: 1959-11-06
Abstract: A curable composition comprises a mixture of a polyamide, a primary aromatic diamine and an epoxy resin, said polyamide being derived from a polymeric fatty acid and an aliphatic polybasic amine. Specified polymeric fatty acids are the polymerization products of oleic, linoleic, linolenic, eladic and ricinoleic acid.  Specified aliphatic polybasic amines are those of the general formula: <FORM:0872381/IV (a)/1> where R is an alkylene radical and x is an integer less than 6, e.g. ethylene diamine, diethylene triamine, triethylene tetramine, tetraethylene pentamine, 1, 4-diaminobutane, 1, 3-diaminobutane, hexamethylene diamine, 3-(N-isopropyl-amino) propyl amine and 3, 31-imino-bis-propylamine.  Preferred aromatic primary diamines are those of the structure H2NR1NH2 where R1 is an arylene radical containing at least one and less than five aromatic nuclei, e.g. m-phenylene diamine, p, p1-methylene dianiline, p-phenylene diamine and 1, 4-diaminonaphthalene.  The polyamide and the primary aromatic diamine may be blended by heating at 80 DEG -100 DEG C. Specified epoxy resins are the reaction products of polyhydric phenols, e.g. bis-phenol A with halohydrins and/or glycerol dichlorohydrin, preferably having an epoxy equivalent weight of 125 to 400.  In the examples, an epoxy resin derived from bis-phenol A and epichlorohydrin is blended with a blend of polyamide made from a dimerized fatty acid and triethylene tetramine with (1) and (2) m-phenylene diamine and (3) p, p1-methylene dianiline.  Specification 726,570, also U.S.A. Specifications 2,379,413, 2,450,940, 2,585,115 and 2,589,245 are referred to.
Patent GB-1017522-A (GB)
Title: Improvements in or relating to the production of butyl acrylate
Inventor: BROWN CHRISTOPHER JOHN
IPC: C07C69/54
Filed: 1963-09-26
Abstract: Butyl acrylate is produced by continuously reacting at an elevated temperature acrylic acid, preferably produced as the reaction product of the catalytic oxidation of propylene or acrolein with molecular oxygen, with from 2.5 to 5 mols. of butanol per mol. of acrylic acid and only sufficient water to ensure the removal overhead of all the butyl acrylate as the ternary butyl acrylate/butanol/water azeotrope and all excess butanol as the binary butanol/water azeotrope in the presence of an esterification catalyst and continuously recovering butyl acrylate over free from acrylic acid.  The preferred amount of butanol is from 2.5 to 3 mols. per mol. of acrylic acid.  The additional water supplied to the reaction may be supplied in the form of water produced in the esterification and recovered in a subsequent stage; the esterification catalyst may be for preference sulphuric acid or sulphonic acid in an amount between 0.05 to 5% by weight of the total reactants.  The process may be carried out at a temperature below 100 DEG  C., preferably in the range of 70 DEG  to 100 DEG  C. and under a pressure of 200 to 600 mm. of mercury.  The invention is described with reference to a flow sheet (not shown) which involves the use of an esterification kettle fitted with a fractionating column and several further fractioning columns interconnected to allow for the feed-back of water and butanol.  According to data given, 8.8 mols. of water are required when feeding 2.3 mols. of butanol per mol. of acrylic acid and when operating under 300 mm. pressure.  Reference has been directed by the Comptroller to Specification 959,880.
Patent GB-948123-A (GB)
Title: Magnetostrictive transducer
IPC: F16H49/00
Filed: 1962-10-08
Abstract: 948,123. Fluid-pressure servomotor control systems. BENDIX CORPORATION. Oct. 8, 1962 [Oct. 11, 1961], No. 38038/62. Heading G3P. [Also in Division H1] The jet pipe of a servomotor control valve is located between the centre and periphery of a bimetallic ring 32 consisting of a ring of positive magnetostrictive material, e.g. nickel, bonded to a ring of negative magnetostrictive material e.g. "Invar" (Registered Trade Mark). A second ring 30, of similar construction, is connected in spaced relation to the first ring by a first yoke 52, 54 and a second quadrature yoke 40, 50. The first yoke 52, 54 comprises permanent magnets which produce a polarizing magnetic flux in the rings and the second yoke 40, 50 has a coil 44 associated with it to produce a controllable magnetic flux in the rings. These fluxes interact to give different flux levels in the four quadrants of the rings and thus distort them. The distortion of ring 32 will be transmitted to the jet pipe to produce a movement which is proportional to the current in coil 44 and has a direction dependent on the polarity of the current in the coil.
Patent GB-358810-A (GB)
IPC: H01F41/06
Filed: 1930-12-17
Abstract: 358,810. Coil winding apparatas. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Vienneau, J. J. ; 253, Dawes Avenue, Pittsfield, Massachusetts, U.S.A.) Dec. 17, 1930, No. 38097. Convention date, Dec. 17, 1929. [Class 35. ] For winding electrical coils, particularly for transformers a device is used which comprises a plurality of blocks 12 held against the winding surface and adapted in succession to engage the conductor and guide it into place. In the form shown, the inner layer of the coil is wound on axially arranged spacers 13 and the blocks are resiliently held together by a band 14 which rests in recesses 15 in the blocks and allows them to slide axially as the winding progresses by the wedging action of the turn being wound with the tapered portion 22, Fig. 1, of the blocks 12. When the successive layers of the coil are to be spaced apart, blocks having axial extensions 21, Fig. 1, are used, but if they are to be in contact, blocks without these extensions are used as shown in Fig. 6.
Patent GB-1309827-A (GB)
Title: Twin-axle cradle-less bogies for rail vehicles
IPC: B61F5/14
Filed: 1970-08-10
Abstract: 1309827 Railway vehicle bogies MAK MASCHINENBAU GmbH 10 Aug 1970 [14 Aug 1969] 38382/70 Heading B7L A railway vehicle has a twin-axle, cradle-less bogie which supports the vehicle body 7 by means of coil springs 12 which absorb substantially all horizontal movement between the bogie and the body 7. The upper and/or lower spring plates of the springs 12 are mounted by means of an elastic support bearing 13, which allows inclination in the direction of pivoting of the bogie relative to the body 7 about the king pin 3, but which substantially prevents inclination perpendicular to the direction of travel of the bogie. The periphery of the running surface of each wheel 16 has a cone angle steeper than 1 : 20 and the wheel set guidance and springing in relation to the bogie frame is by means of rubber springs 17 which are disposed in pairs, spaced longitudinally of the bogie, on each wheel set bearing casing, and are inclined in the form of a roof at an angle of between 6 and 15 degrees to the vertical and which, in addition to perpendicular springing, guide each wheel set resiliently in the two horizontal directions. The springing is harder in the direction of travel than transversely to the direction of travel.
Patent GB-1242390-A (GB)
Title: Prepayment meter including a cash box
Inventor: CHARLES JOHN ARTHUR
IPC: G01F3/22
Filed: 1967-08-22
Abstract: 1,242,390. Cash box for prepayment meter. UNITED GAS INDUSTRIES Ltd. 22 Aug., 1968 [22 Aug., 1967], No. 38587/67. Heading G4V. A prepayment meter includes a cash box 35 having integrally formed front, side and bottom walls, and which is adapted to be received and lockably secured in an aperture so that all but a front wall of the box is concealed. The aperture is formed in a hood member enclosing an index mechanism at 12 and secured to the meter by bolts 42 accessible only when the box is removed. The box may be locked with a hasp 36 or by a lock 55 and keeper 55a. A flange 53 hooks round a flange surrounding a top opening ' of the box.