baber/WOPTO huggingface dataset:
Patent GB-1468142-A (GB)
Title: Process for the preparation of self-cross linking lacquers
IPC: C08F2/16
Filed: 1975-09-19
Abstract: 1468142 Preparation of self cross-linking polymers LONZA Ltd 19 Sept 1975 38523/75 Addition to 1468141 Heading C3P A mixture of: (a) 30-70 parts by weight of a monomer or monomer mixture whose polymer has a theoretical Tg of less than 10‹ C.; (b) 30-70 parts by weight of a monomer or monomer mixture whose polymer has a theoretical Tg of more than 30‹ C.; (c) 0À5-5 parts by weight of a polymerizable carboxylic acid or a salt thereof; (d) 2-35 parts by weight of a di- or polyethylenically unsaturated monomer; and (e) 0À5-5 parts by weight of an alkali metal or ammonium salt of a polymerizable sulphonic acid is polymerized at 15-30‹ C. with a redox system comprising an alkali metal or ammonium persulphate, ascorbic acid and a ferrous salt at an initial pH of 3-4, at most 30% of the total monomer, together with the main amount of the persulphate being present initially and the remainder of the ingredients being so closed in that a preselected constant temperature (Œ1À5‹ C.) results. In the examples polymers are prepared from styrene, ethyl acrylate, methallyl sulphonate, butyl acrylate, octyl acrylate, acrylic acid, N-methylol acrylamide and as multi-unsaturated monomers, trimethylolpropane trimethacrylate, neopentyl glycol dimethacrylate and butanediol dimethacrylate.
Patent GB-1438212-A (GB)
Title: Method of coupling a compressor impeller shaft to a compressor impeller
IPC: F16H57/00
Filed: 1974-01-30
Abstract: 1438212 Mounting impellers on shafts INGERSOLL-RAND CO 30 Jan 1974 [10 April 1973] 38555/75 Divided out of 1438211 Heading F2U The external surface of a compressor impeller shaft 50 is formed with three angularly equidistant lobes 86 spaced part by convex portions 84, and the internal surface of the impeller 52 is formed with three angularly equidistant lobeaccommodating recesses 86 spaced apart by concave portions 84. After the impeller has been slid on to the shaft, it is rotated relative to the shaft to bring each shaft lobe 86 into an interference fit with an impeller portion 84.
Patent GB-1109139-A (GB)
Title: Spherical structure and method of making the same
Inventor: JONES GEOFFREY THURSTON
IPC: E04B7/10
Filed: 1965-09-09
Abstract: 1,109,139. Spherical buildings; building panels. ELECTRONIC SPACE STRUCTURES CORPORATION. 9 Sept., 1965, No. 38624/65. Headings E1A and E1W. A spherical or hemispherical structure such as a radome is constructed from a series of triangular sections which are bolted together, each section consisting of corner portions 34 and side plates 26 which are grooved to receive closure panels 21. The members 26, 34 are made of aluminium or aluminium alloy whilst the panels 21 are made of like material or synthetic plastics; the panels being adhesively secured in the grooves the outer walls 28 of which are deformable.
Patent GB-1028918-A (GB)
Title: Improvements relating to cobalt-containing formazane dyestuffs and their use
IPC: C09B50/00
Filed: 1963-10-02
Abstract: The invention comprises cobalt-containing formazane compounds which contain no salt-forming groups which dissociate acid in water and no sulphamide groups, except arylsulphamide groups and which correspond to the general formula <FORM:1028918/C4-C5/1> wherein A1 and A2 are each an aromatic radical, B1 and B2 are each an aromatic radical containing no metallizable groups in the o-positions to the nitrogen bond, Q1 and Q2 are each a bridging member, Z1 and Z2 are each an optionally substituted aliphatic hydrocarbon group having at most four carbon atoms, W1 and W2 are each an optionally substituted, saturated or unsaturated aliphatic hydrocarbon radical, an optionally saturated cycloaliphatic hydrocarbon radical or an optionally substituted aromatic hydrocarbon radical or a heterocyclic radical containing no ring nitrogen atoms or the nitro or the cyano group, X11 and X12 represent -O- in o-position to the nitrogen linkage to A1 or A2, Y+ represents an equivalent of a cation and n1, n2, m1 and m2 each represen the whole numbers 1 or 2.  The dyes are prepared by reacting one mole of an appropriate formazane compound or a mixture of such compounds with an agent providing less than 1 mol of cobalt to form a compound which contains the residues of two molecules of formazane dyestuff to one cobalt atom.  The formazane compounds employed as starting materials are prepared by methods known per se, e.g. an aldehyde is coupled with the hydrazine from an amine A-NH2 and the hydrazone is coupled with a diazonium compound from an amine B-NH2 or a hydrazine from an amine B-NH2 is condensed with an aldehyde and the hydrazone is coupled with a diazonium compound from an amine A-NH2. Many examples are furnished and alternative starting materials listed.  The dyes are suitable for colouring synthetic polyamides, silk, leather and wool.
Patent GB-1440127-A (GB)
Title: Dewaxing petroleum oils
IPC: C10G73/32
Filed: 1973-08-17
Abstract: 1440127 Dewaxing oils EXXON RESEARCH & ENG CO 17 Aug 1973 [29 Aug 1972] 38883/73 Heading C5E In a process for dewaxing a residual or heavy distillate petroleum oil, the oil 28 is mixed with at least 0À3 volumes of a first dewaxing solvent 29 and this oil-solvent mixture is introduced into a multistage chilling zone at a temperature above its cloud point. Cold second dewaxing solvent is introduced into the mixture from inlets 11 as it is passed down the tower. The cold wax-oil-solvent slurry produced is filtered at 15 after further cooling if desired. In an alternative embodiment the first solvent can be added in the first stage or stages of the chilling zone. The first and second dewaxing solvents can be the same or different and are suitably ketones, hydrocarbons and chlorinated hydrocarbons. In examples bright stock or phenol extracted heavy distillate lubricating oils are dewaxed using either methylethylketone/toluene or methylisobutylketone/methylethylketone mixtures.
Patent GB-1502472-A (GB)
Title: Bis(aminobenzoate)
IPC: C08G18/10
Filed: 1975-03-14
Abstract: 1502472 1,3-bis-(p-Aminobenzoyloxy) propane POLAROID CORP 14 March 1975 [14 March 1974 22 April 1974] 38917/77 Divided out of 1502471 Heading C2C The invention comprises 1,3-bis-(p-aminobenzoyloxy)propane which may be prepared by reaction of p-nitrobenzoyl chloride with 1,3- propane diol to obtain 1,3-bis-(p-nitrobenzoyloxy) propane followed by reduction with hydrazine in the presence of a palladium on charcoal catalyst and is useful as a curing agent for the production of polyurethane compositions.
Patent GB-343247-A (GB)
Title: Improvements relating to ironing machines
IPC: D06F65/10
Filed: 1929-12-20
Abstract: 343,247. Ironing-machines. TULLIS, A. F., Kilbowie Iron Works, Clydebank, Dumbartonshire. Dec. 20, 1929, No. 39024. [Class 138 (ii).] In an ironing-machine in which the goods are passed between rollers 2 and concave beds 1 and then between an apron 10 and heated roller 8, a series of relatively wide conveyer bands 3 are provided around the rollers 2. These bands are continuous from one side of the machine bed to the other except for very narrow gaps in which doctoring blades 4 are accommodated. Specifica. tions 14194/13 and 221,350, [both in Class 138 (ii), Washing, mangling, &c.], are referred to.
Patent GB-1500160-A (GB)
Title: Animal holder
IPC: A61D3/00
Filed: 1975-09-24
Abstract: 1500160 Supporting animals M DUNSTHEIMER 24 Sept 1975 [27 Sept 1974] 39079/75 Heading A5R Apparatus for supporting an animal with its head directed downwardly, e.g. while castrating the animal, comprises a stand 3 on the upper end of which are mounted arms 1, 2 shaped to grip round the animals body in front of the hind-legs thereof, the arm 2 being fixed relative to the stand and the arm 1 being pivotal about a vertical axis. The arm 1 may be secured to lever 6 which can be adjustably locked with respect to a notched disc segment (5) fixed on the strand. Alternatively the segment 5 may be tapered and wedgingly-received in a forked member (8 Fig. 3 not shown) carried by the lever.
Patent GB-1008180-A (GB)
Title: Improvements in pistons for internal combustion engines and the like and method of production
Inventor: CROSS ROLAND CLAUDE
IPC: F02F3/10
Filed: 1964-09-29
Abstract: 1,008,180. Pistons. CROSS MANUFACTURING CO. Ltd. Sept. 29, 1964, No. 39584/64. Heading F2T. A light metal piston has one or more hard heavier metal bearing rings in the form of an endless unsplit circular band 5 tightly heatshrunk on to the base of a groove 8 in the peripheral surface of the piston, the diameter at d<SP>2</SP> of the piston on one side of the groove being made slightly less than the piston diameter d<SP>1</SP> to facilitate assembly of the hot band. The piston may be of aluminium alloy and the band may be of cast iron or steel and may be case-hardened and is preferably ground to its final diameter in situ on the piston. A band may be provided adjacent each end of the piston.
Patent GB-1437127-A (GB)
Title: Selective irradiation of gated semiconductor devices to control gate sensitivity
IPC: H01L29/167
Filed: 1973-08-15
Abstract: 1437127 Irradiation of semi-conductor devices WESTINGHOUSE ELECTRIC CORP 15 Aug 1973 [25 Aug 1972] 39585/73 Heading H1K Thyristors and bipolar transistors are selectively irradiated through masking to control gate sensitivity. As described, such devices comprise a "conducting portion" surrounded by a "gating portion", or vice versa. Irradiation of the gating portion causes a decrease of gate sensitivity; irradiation of the conducting portion decreases the turn-off time. Also, as disclosed in Specification 1,384,224, irradiation of the peripheral portion of the device increases blocking voltage. In examples, masks are used in conjunction with 2Mev electron irradiation to selectively alter various of these characteristics. The masking material may be tungsten or low carbon steel. The devices have bevelled peripheral surfaces passivated with silicone or epoxy resin. The use of proton, neutron, alpha, and gamma radiation is also envisaged.
Patent GB-1147430-A (GB)
Title: Expansion joint sealing element
IPC: E01C11/12
Filed: 1967-08-30
Abstract: 1,147,430. Expansion joints. GENERAL TIRE AND RUBBER CO. 30 Aug., 1967 [19 Sept., 1966], No. 39599/67. Heading E1G. A sealing strip between concrete slabs comprises an elastomeric tube having an inwardlyflexed top web 26 and converging side walls reinforced by an embedded or bonded-on resilient (e.g. spring steel) strip 16 of V or U section. The strip 16, Figs. 4, 6(not shown), has spaced transverse slots along its length. Metal plates may be bolted to the slab walls 4. In a modification longitudinal sealing beads are provided on flattened upper portions of the side walls.
Patent GB-896994-A (GB)
Title: Improvements in or relating to circulating pump arrangements more especially for central heating systems
IPC: F04D29/60
Filed: 1959-11-23
Abstract: 896,994. Centrifugal pumps. WITTWER, E. Nov. 23, 1959 [Dec. 9, 1958], No. 39603/59. Class 110 (1). A circulating pump, more particularly for central heating systems, comprises a casing having an inlet port and an outlet port for connecting the pump in the flow line, fluid circulating means removably located in the casing, and valve means located in the casing for closing the inlet and outlet ports and biased to the closed position, the valve means being held in the open position by the fluid circulating means but closing automatically when the fluid circulating means is removed. After releasing bolts 8, the driving motor 7, bearing 5 and pump impeller 3 can be removed as a unit from the pump casing 9. This allows a ported cylinder 13, which normally abuts the bearing 5 as shown, to move under the action of a compressionspring 19 into abutment with a stop 20. In this position, the cylinder 13 seals off the inlet branch 11 and outlet branch 12 to prevent loss of liquid from the circulation line.
Patent GB-1068307-A (GB)
Title: Circuit arrangement for the generation of a periodically fluctuating unidirectional current in an inductive load
IPC: H04N3/233
Filed: 1965-09-17
Abstract: 1,068,307. Waveform generation circuits; cathode-ray tube circuits. FERNSEH G.m.b.H. Sept. 17, 1965 [Sept. 19, 1964; Nov. 25, 1964; Aug. 25, 1965], No. 39764/65. Headings H3T and H4T. A parabolic waveform is produced in an inductive load by connecting it in parallel with a capacitor and inpulsing it unidirectionally at twice the resonant frequency of the parallel circuit. In Fig. 4 (not shown), a circuit using a transistor switch and a series phase shift-coil (3) generates parabolic (or semi-sinusoidal) current waves in a focusing coil (1) of a cathoderay tube to maintain focus during the scan. In Fig. 6 a similar circuit using S.C.R's. adds a line frequency modulation to the framescanning current (as in waveform C) to ensure registry of the raster of a shadow mask tube. The circuit comprises two generators, each comprising a load inductor 1 tuned to about half the line frequency by a capacitor 2 and connected in series with a small inductor 3 and an S.C.R. to a D.C. voltage source U. When the S.C.R. is fired, capacitor 2 is charged resonantly through inductor 3 until after half-acycle, when the voltage across the capacitor reaches a reverse peak and the S.C.R. automatically extinguishes. The capacitor then discharges into the inductive load and the circuit rings for half-a-cycle producing a half sine wave current in the load if the tuning is exactly to half the line frequency and a parabolic current if the ratio of frequencies is greater than 2. The load inductors are coupled to the deflection coils through a capacitor 8 which blocks frame deflection currents and an inductor 10 is provided to block the parabolic waves for the frame output transformer secondary winding S. Inductor 3 is chosen to provide a desired phase shaft between the input pulses and the parabolic wave. Components 11, 12 prevent self-oscillation in inductor 3. The two circuits provide parabolic waves in opposite sense and these are differentially modulated by the frame saw-tooth applied at A so that at the mid-point they are equal and opposite. The two S.C.R's. may each be replaced by two complementaty transistors which may be connected to series with rectifiers to prevent reverse conduction or by valves.
Patent GB-913415-A (GB)
Title: Alkoxyphenyl and alkenyloxyphenyl esters of n-methylcarbamic acid and method of preparation
IPC: C07C271/06
Filed: 1960-11-22
Abstract: The invention comprises esters of N-methyl carbamic acid of the general formula <FORM:0913415/IV (b)/1> wherein X and Y are R-O- or H, provided that when X is R-OY is H and when Y is R-OX is H and wherein R is an aliphatic hydrocarbon radical containing from 1 to 5 carbon atoms and a process for the preparation thereof wherein an ortho or meta substituted phenol derivative of the formula <FORM:0913415/IV (b)/2> is reacted as follows:  (a) when n is 1 then Z is monovalent and is H or R as defined above and B is H and the phenol derivative is reacted with methyl isocyanate; or Z is monovalent and is R as defined above and B is -COCl and the phenol derivative is reacted with methylamine or (b) when n is more than 1 then Z is a bond joining adjacent units of formula II in a polymeric chain and B is the radical -CO- and the phenol derivative is reacted with methylamine and (c) when formed the resulting orthoor meta-hydroxy phenyl N-methyl carbamate is alkylated to form an ester of formula I above.  The products of the invention are employed as active ingredients in insecticidal compositions (see Group VI). Examples relate to the preparation of m-methoxy-, m-ethoxy-, m-isopropoxy-, o-allyloxy- and o-ethoxyphenyl-N-methyl carbamate by reacting the appropriate substituted phenol with methyl isocyanate in the presence of triethylamine and m-allyloxyphenyl-N-methyl carbamate by reacting m-hydroxyphenyl-N-methyl carbamate with allyl bromide in the presence of potassium carbonate.ALSO:Insecticidal compositions comprise as active ingredients compounds of the general formula <FORM:0913415/VI/1> wherein X and Y are RO- or H, provided that when X is ROY is H and when Y is ROX is H and wherein R is an aliphatic hydrocarbon radical containing from 1 to 5 carbon atoms (see Group IV (b)), dissolved in organic solvents, as aqueous emulsions or on solid carriers.  Carriers specified include a mixture of acetone and water, fuller's earth, attapulgus clay and pyrophyllite. Active substances specified include m-ethoxy-, m-methoxy-, m-isopropoxy-, o- and m-allyloxy- and o-ethoxy phenyl N-methyl carbamate.
Patent GB-899661-A (GB)
Title: Electrical apparatus employing dielectric fluids
IPC: H01H33/22
Filed: 1959-11-25
Abstract: A siloxane copolymer, for use as a dielectric fluid (see Group XXXVI), consists essentially of units of the formulae R3SiO 1/2 , R12SiO and 3,3,3-trifluoropropyl methyl siloxane units, in which R and R1 are the same or different and are each an aliphatic hydrocarbon radical of 1 to 6 C atoms or a phenyl radical, there being at least 5 mol. per cent of the fluorine-containing siloxane units.  The copolymer may be made by copolymerizing R3SiO(R12SiO)xSiR3, where x is 0 or an integer, trifluoropropylmethylcyclotrisiloxane and (R12SiO)y, where y is an integer of 3 to 8 inclusive, in the presence of an alkaline catalyst, e.g. an alkali metal salt of a silanol, NaOH or KOH as described in Example 1, or in the presence of perfluoroalkane sulphonic acids, as described in Specification 899,657.
Patent GB-1441606-A (GB)
Title: Driving interval warning instrument for motor vehicles
IPC: G01P1/08
Filed: 1973-08-23
Abstract: 1441606 Vehicle instruments BAYERISCHE MOTOREN WERKE AG 23 Aug 1973 [23 Aug 1972] 40103/73 Heading B7H [Also in Division Gl] A vehicle speedometer has, in addition to the speed scale 4, a distance scale 6 against which the braking distance corresponding to the actual vehicle speed is indicated by a variable length field 7, and the actual distance ahead of a preceding vehicle or an obstacle is indicated by a pointer 10 movable in front of the field 7. The braking distance is indicated by a coloured band visible through a window 3, the boundary 9 of a strongly coloured band marking the braking distance alone, and the boundary 8 of a lighter coloured zone marking the braking distance plus the reaction distance. If the pointer 10 moves to the left of the line 8, at 10<SP>1</SP>, the spacing from the vehicle ahead is inadequate. The pointer 10 is controlled by a range-finder such as a radar, echo-sounding, or photo-electric system.
Patent GB-1478359-A (GB)
Title: Vessel for allowing the expansion of the heat-dissipating fluid in a cooling system
IPC: F01P11/02
Filed: 1974-09-13
Abstract: 1478359 Expansion vessels REGIE NATIONALE DES USINES RENAULT 13 Sept 1974 [5 Oct 1973] 40133/74 Heading F4U [Also in Division B8] An expansion vessel for the heat-dissipating fluid in a cooling system, comprises a body portion 10 having a pipe 11 in communication with the cooling system, a removable cap 1, and a pressure relief capsule 3 separate from the cap and which is held in place by the cap. The body portion 10 and the cap 1 are both formed of plastics material. The capsule includes a central aperture 8, a diaphragm 5, a coil compression spring 4 and apertures 7 in communication with the atmosphere via apertures 1a- 1d in the cap. In use, when the pressure in the vessel exceeds a predetermined value, the diaphragm 5 rises and communicates between the inside and the outside of the vessel is established via the vent holes 7 and the apertures 1a to 1d. The capsule 3 may also include a conventional vacuum relief valve.
Patent GB-1144411-A (GB)
Title: Arrangement for handling printable character bit codes
IPC: G06K15/08
Filed: 1967-09-04
Abstract: 1,144,411. Selective signalling. RADIO CORPORATION OF AMERICA. 4 Sept., 1967 [26 Sept., 1966], No. 40247/67. Heading G4H. A drum (or chain) printer of the type that has a programme tape 54, Fig. 1, to control line spacing, and a store (not shown) which reads out the codes of the characters on the drum as they successively pass through the printing position, is characterized in that character codes are entered into the store (when the printer is being installed into a system) by replacing the programme tape by a suitably punched tape and using a special character-code-entry mode of operation. A logical circuit (Fig. 3, not shown) outlining this mode of operation is described.
Patent GB-1284573-A (GB)
Title: Improvements in colour photography
Inventor: WYCKOFF CHARLES WALES
IPC: G03C7/30
Filed: 1969-08-13
Abstract: 1284573 Photographic colour materials with great exposure latitude APPLIED PHOTO SCIENCES Inc 13 Aug 1969 40410/69 Heading G2C A colour photographic film comprises a plurality of groups of photo-sensitive amulsions each of which groups is made up in the form of one or more emulsion layers wherein the photo-sensitive emulsions of the groups are such that the emulsions in each group have complementary actual or effective speeds but similar spectral sensitivities, and characteristics the D log E curves of which have substantially equal slopes, but such that each group of emulsions overall has a similar actual or effective speed but different spectral sensitivity from the other or each of the others of the groups. Each group of emulsions having similar spectral sensitivities and different speeds may be present in one or more layers which are not necessarily adjacent. The photo-sensitive emulsions may each contain a dye-forming coupler or the couplers may be introduced during processing of the exposed film, One set of emulsion layers may comprise fast ammoniacal emulsions, The photo-sensitive emulsions are preferably sensitized photographic silver halide emulsions. The plurality of groups of emulsions preferably comprise a red-sensitive group, a green-sensitive group and a blue-sensitive group. An attenuating filter may be interposed between two emulsions in each group to adjust the effective speed of one photo-sensitive layer in each group, The photo-sensitive emulsions of the groups may comprise two sets of emulsion layers of similar actual speeds but different spectral sensitivities, the sets being arranged one above the other, and with a filter interposed between them to adjust the effective speed of the emulsions of one set to be complementary to the speed of the emulsions in the other set, These materials have great exposure latitude. Reference is made to Specification 982, 383 where a basically black-and-white film is described of great exposure latitude, and colour is used in the emulsions to distinguish the images recorded in the various layers. The emulsions in that specification are panchromatically sensitized but have different speeds.
Patent GB-1367063-A (GB)
Title: Process for the preparation of 5-isopropyl-3-methyl-phenol
IPC: B01J29/00
Filed: 1973-08-29
Abstract: 1367063 Production of 5-isopropyl-3-methylphenol BAYER AG 29 Aug 1973 [30 Aug 1972] 40639/73 Heading C2C  5-Isopropyl-3-methylphenol is prepared by alkylating 3-methyl-phenol with propene, and/ or the rearrangement of one or more isomeric monoisopropyl-3-methyl-phenols, and/or the transalkylation of one or more polyisopropyl-3- methyl phenols and 3-methyl phenol, the reaction or reactions being carried out at between 200C. and 400C. in the presence of synthetic aluminium silicate that has not been treated with acid.