baber/WOPTO huggingface dataset:
Patent GB-1487258-A (GB)
Title: Alpha,beta-unsaturated schiff-base chain extension reactions for high temperature polymers
IPC: C08F22/36
Filed: 1974-12-24
Abstract: 1487258 Polyimides CIBA-GEIGY AG 24 Dec 1974 [26 Dec 1973] 55834/74 Heading C3R A curable composition comprises (a) a compound of one of the following average formulµ and (b) 1 to 10 mole equivalents of a bis-dienophile of one of the formulµ In the formulµ at least 5% of the Z groups are -N=CR 1 -CR 2 =CR 3 R 4  and the remainder NH 2 ; n is 0 or a number up to 20; R 1  to R 4  are H or monovalent organic radicals; R 5  and R, are C 2-30  divalent organic radicals; R 6  is a tetravalent organic radical; m is 1 to 20; and D is an olefinic radical wherein R 16  is H, CH 3 , Br or Cl; R 17  is H, Br or Cl; Y<SP>1</SP> to Y<SP>6</SP> are H, Br, Cl, NO 2 , C 6 H 5  or C 1-6  alkyl; and X is CO, O, S, Cl- or Br-substituted CH 2 , C 1-6  alkylidene or benzylidene. The compositions are processable by conventional plastics processing techniques at relatively low temperatures and are useful as moulding powders, laminating resin, adhesives, coatings and monofilament windings. Reference is made to Specification 1,457,270. Reference has been directed by the Comptroller to Specification 1,190,718.
Patent GB-1397008-A (GB)
Title: Derivatives ofypsilon-glutamyl-4-nitroanilide
IPC: G01N33/50
Filed: 1973-12-03
Abstract: 1397008 Derivatives of γ-glutamyl-4-nitroanilide BOEHRINGER MANNHEIM GmbH 3 Dec 1973 [5 Dec 1972 3 July 1973] 55991/73 Heading C2C The invention comprises compounds of the general formula wherein X is an acidic group (as hereinafter defined) and R 1 , R 2  and R 3  which may be the same or different, are hydrogen atoms or alkyl radicals containing up to 3 carbon atoms À and the alkali metal, alkaline earth metal, ammonium and amine mono- and di-salt thereof. By acidic group is meant a carboxylic group or an acetyl radical or a thio analogue thereof or a sulphonyl, thiosulphonyl, phosphatyl or sulphhydryl group. The compounds of the invention may be prepared when an activated glutamic acid (i.e. the corresponding anhydride or a mixed anhydride with another acid or an acid halide) with a protected amino group is reacted with a p-nitroaniline compound having an acidic group X in the 3 position and the protective group in the γ-glutamyl p-nitroanilide derivative formed is thereafter split off.
Patent GB-1172396-A (GB)
Title: Automatic Fast Idle and Cold Enrichment Device for an Internal Combustion Engine
IPC: F02N99/00
Filed: 1966-12-15
Abstract: 1,172,396. Regulating. BORG-WARNER CORP. Dec.15, 1966 [Dec. 30, 1965], No.56270/66. Heading F1B. A. valve 76, controlled by a temperature responsive device 94 Fig. 3, is opened at low temperatures to increase the idling air and enrich the fuel-air ratio by decreasing the suction transmitted through pipe 28 to a suction responsive control 24 for a fuel injection pump 14. A piston 104, Fig. 2, responsive to intake manifold suction is connected to the valve 76 to bias the valve towards closing, the biasing force decreasing during acceleration to provide extra fuel. The valve 76 controls ports 62 admitting atmospheric air into a passage 66 which joins a passage 46 leading to the inlet manifold, the pipe 28 also being connected at 44 to the passage 46. The temperature responsive device comprises a timetable coil 94, in a chamber 80 heated by exhaust gases, the coil controlling the shaft 70 of the valve 76. In Fig. 6 (not shown) the valve (172) is formed by a slotted shaft, as Specification 1, 172, 395, to which the timetable coil is attached.
Patent GB-1373109-A (GB)
Title: Caster assembly with integral horn and pintle and method of  making same
IPC: B60B33/00
Filed: 1971-12-03
Abstract: 1373109 Castors H ARENSON 3 Dec 1971 56307/71 Heading A4U [Also in Division B5] A swivelling castor assembly comprises a wheel 2 rotatable on an axle 3 carried by arms 4, 5, of a horn 6 and a pintle 7, for attachment to an article of furniture, the pintle, horn and axle being moulded in one piece of a synthetic plastics material e.g.nylon or acetal resin by injection moulding in a two part mould. Axle parts 10, 11 are integral with the arms 4, 5, respectively, the arms being spread apart for introduction of the wheel 2 therebetween and insertion of the axle parts 10, 11, one in each end of a bearing bore 33 in the wheel hub 32. Opposed ends of the parts 10, 11, are pressed together and secured by inter-engagement of fastener members formed as diametrically opposed, approximately quadrantal lugs 35, 36, on the part 10 which are received between similar lugs 37, 38, on the part 11 so that detent tongues formed on the lugs by undercut recesses, inter-engage. Some of the detents have sloping faces which coact in pressing the ends together to twist the axle portions. A nylon sleeve 8 rotatable on the pintle and slidably mounted thereon has a part 24 snap-engaged beneath a shoulder 14, ribs 22 frictionally engaging the inside of a tubular furniture leg, and an annular flange 20 bearing on the outer surface of an enlargement 16 of the pintle and having bearing points 19 engaging a bearing surface on the bright portion 12 of the horn. The mould parts 53, 54 have engaging surfaces and mating cavities 55, 56, and separate in a single movement in a direction normal to the axis of the axle portions along a parting line 59. The lugs 35, 37, are formed by cavities 60 in the mould portion 53 and the faces of the lugs forming the detent tongues are formed by surfaces on the mould portion 54 which has cavities forming the lugs 36, 38, the detents of which are formed by mould portion 53. In modifications the enlargement 16 of the pintle is omitted or the opposed surfaces of the axle portions are plain and may be welded together by sonic welding.
Patent GB-1416317-A (GB)
Title: Process for the isomerization of alkenes
IPC: C07C11/02
Filed: 1972-12-07
Abstract: 1416317 Isomerisation catalyst SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 7 Dec 1972 [5 Jan 1972] 56503/ 72 Heading B1E [Also in Division C5] An isomerisation catalyst is prepared by depositing a compound (other than a halide) of an alkali metal of atomic number at least 19 (i.e. K, Rb or Cs) on an inert anhydrous carrier of surface area greater than 25 m<SP>2</SP>/g and then contacting the carrier with metallic Na and/or Li at an elevated temperature at which the K, Rb or Cs is liberated from the alkali metal compound to provide a deposit of K, Rb or Cs on the carrier. The alkali metal compound is preferably K 2 CO 3  and the carrier gamma- Al 2 O 3 . The catalyst may be used in a two stage isomerisation - disproportionation process, wherein the catalyst for the latter stage comprises either tungsten hexachloride, acetic acid and ethylaluminium chloride or supported cobalt, molybdenum and potassium oxides.
Patent GB-1419076-A (GB)
Title: Method of dressing fibrous materials of animal origin
IPC: D06M15/643
Filed: 1972-12-11
Abstract: 1419076 Silicone-impregnated animal fibre MOSKOVSKY KOOPERATIVNY INSTITUT 11 Dec 1972 [15 Dec 1971 (3)] 57151/72 Heading D1P Animal fibre is impregnated with an organic solvent solution of a polysiloxane and a siloxane-vulcanising catalyst, and the impregnated material is heated to a temperature of 50-60‹C to evaporate the solvent and form a rubber coating on the material. The polysiloxane may be methyl-γ-trifluoropropylsiloxane or polydimethylsiloxane. The catalyst compound may be tetrabutoxytitanium lead acetate in triethanolamine or zirconium acetate. The chlorinated hydrocarbon may be trichloroethylene, perchloroethylene or white spirit. The composition can be applied by spraying or daubing. The impregnation process may be repeated, the animal fibre may be leather, sheepskin or fur. The treated fibre has improved resistance to water, oxidation, sunlight, ozone, oil, gasoline temperature extremes, and soiling.
Patent GB-1413670-A (GB)
Title: Sulphurized mixtures of carboxylic acid esters and their use in extreme pressure lubricants
IPC: C10M135/06
Filed: 1972-12-13
Abstract: 1413670 Modifying oils; lubricants SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 13 Dec 1972 [10 Jan 1972] 57474/72 Headings C5C and C5F [Also in Division C2] The invention comprises a sulphurized mixture of (a) a glyceride of RCOOH where R is a C 12-30  aliphatic group having at least one ethylenic bond and (b) RCOOR<SP>1</SP>, where R is C 1-30  alkyl. The weight ratio of (a) : (b) may be between 0À1 and 10. Sulphurization may be effected on the individual components (a) and (b) or, preferably, on the mixture. In examples, rape seed oil is transesterified with methanol in the presence of sodium, and the resulting methyl esters, optionally after removal of sodium compounds, mixed with further rape seed oil and heated with sulphur. A mixture of rape seed oil and methyl oleate is also sulphurized. The products are used as lubricant extreme pressure additives.
Patent GB-1136419-A (GB)
Title: Wire coating
Inventor: MORGANS DAVID EVAN BRYAN
IPC: H01B3/44
Filed: 1966-12-23
Abstract: 1,136,419. Identifying electric cables. IMPERIAL CHEMICAL INDUSTRIES Ltd. 7 Dec., 1967 [23 Dec., 1966], No. 57734/66. Heading H1A. Electrical insulation for wire comprises an inner layer of PTFE and an outer coating containing fillers, for example pigment, or electrically conducting material. The PTFE coating may be extruded around the wire and the outer coating applied by, for example, extrusion or passage through a bath of pigmented PTFE dispersion. The outer coating may be sintered at the same time as, or after, the inner one. The insulation may alternatively be made in the form of sleeving.
Patent GB-1272060-A (GB)
Title: 2-MERCAPTO-PYRIDO[2,3-d]PYRIMIDIN-4(3H)-ONE DERIVATIVES
IPC: C07D471/04
Filed: 1970-12-09
Abstract: 1,272,060. 2 - Mercapto - pyrido [2,3 - d]- pyrimidine-4(3H)-one derivatives. BOEHRINGER MANNHEIM G.m.b.H. 9 Dec., 1970 [11 Dec., 1969; 21 July, 1970], No. 58467/70. Heading C2C. Novel compounds I (including salts thereof) where R is C 1-5  alkyl, C 2-5  alkenyl, aralkyl or aryl optionally substituted by one or two OH, alkoxy, CO 2 H, carboalkoxy or amino-carbonyl, are made by partial hydrolysis of 2,4-di-SR- pyrido[2,3-d]pyrimidines or by reacting II with R-Y (one of the symbols X and Y is mercapto and the other is a reactive ester group); functional groups in the substituent R can be converted into OH, alkoxy, CO 2 H, carboalkoxy or aminocarbonyl. 2,4-Bis-methylmercaptopyrido- [2,3-d] pyrimidine is also prepared. Pharmaceutical preparations having natriuretic and diuretic action contain (I) as active ingredient; administration may be enterally or parenterally.
Patent GB-1206970-A (GB)
Title: Device for protecting thermally responsive element of circuit interrupter
IPC: H01H71/48
Filed: 1967-12-27
Abstract: 1,206,970. Automatic circuit-breakers; magnetic and electromagnetic switches. TERASAKI DENKI SANGYO K.K. 27 Dec., 1967 [26 Dec., 1966], No. 58691/67. Heading H1N. Shunt contacts 82, 90, for protecting the bimetal 56 of a circuit-breaker against excessive current flowing therethrough, are operated by electromagnetic repulsion between elongate parallel conductors 92, 94, the conductor 94 being rigid and the conductor 92 being resilient and carrying contact 90 at one end while being connected to conductor 94 at the other end. The main current path is normally through the bimetal 56 and a flexible conductor 60 to a point between the ends of conductor 92, the repulsion between the upper portions of conductors 92, 94, closing contacts 82, 90. The shunted current flowing through the lower portions of conductors 92, 94, generates sufficient additional repulsion to prevent contacts 82, 90, from re-opening due to the repulsion between themselves. The circuit-breaker is tripped by bimetal 56 or an electromagnetically responsive mechanism 62 acting on a trip element 72 integral with a trip shaft 14. One or more pivotally mounted movable contact arms 14 are each separated from a movable "fixed" contact arm 16 by repulsion between them upon the flow of very heavy (short circuit) current through the parallel parts of the contact arms, or the contacts 18, 20, are separated with' lesser overload currents by the thermal or electromagnetic tripping devices described earlier. Contact arm 16 is pivotally mounted at 22 and urged by a tension spring 26 towards arm 14.
Patent GB-1263268-A (GB)
Title: 0-aminoalkyl-pyridin-2-ones
Inventor: CRABTREE ALLEN
IPC: C07D213/81
Filed: 1968-12-11
Abstract: 1,263,268. Hydroxypyridone derivatives. IMPERIAL CHEMICAL INDUSTRIES Ltd. 23 Oct., 1969 [11 Dec., 1968], No. 58834/68. Heading C2C.  Novel pyridones of the formula in which T 1  represents hydrogen, an aliphatic, araliphatic, homocyclic or heterocyclic radical or the group -COOR<SP>1</SP> or -CONR<SP>1</SP>R<SP>2</SP> (where R<SP>1</SP> and R<SP>2</SP> are hydrogen or aliphatic, araliphatic, homocyclic or heterocyclic radicals or R<SP>1</SP> and R<SP>2</SP> together complete a heterocyclic ring), T 2  represents -CN, -COOR<SP>1</SP> or -CONR<SP>1</SP>R<SP>2</SP> and Z is an aliphatic radical substituted by a primary or secondary amino group, are prepared by reacting together a di-amine Z-NH 2 , #-ketoester T 1 CO.CH 2 COOalk and an ester T 2 CH 2 COOalk, using a stoichiometric excess of the amine. The reaction may be effected by mixing all reactants in a single step, or by reacting the amine with either ester to obtain an amide, condensing the latter with the second ester and cyclizing the resultant glutaconamide. In a modification, the di-amine may be replaced by a monoacyl derivative and the pyridone product subjected to acid hydrolysis to obtain compounds in which Z contains a primary amino group. Examples relate to the preparation of compounds in which Z is #-amino ethyl, γ-aminopropyl, ethylaminoethyl, 6-aminohexyl, 2<SP>1</SP>-aminoethyl aminoethyl, #-aminoethoxyethyl, #-aminopropyl, T 1  is methyl, phenyl, carbamoyl, carbethoxy, cyclohexyl, pyridinyl-3-methyl and N,N-dimethylcarbamoyl, and T 2  is cyano, carboxy and carbamoyl.
Patent GB-1332695-A (GB)
Title: Chemical composition and method of stabilizing
IPC: C10L1/22
Filed: 1970-12-11
Abstract: 1332695 Inhibiting microrganisms in fuel oil NIPPON YUSEN KAISHA 11 Dec 1970 [27 Dec 1969 2 May 1970] 59081/70 Heading A5E [Also in Division C5] A fuel oil (e.g. a heavy oil such as diesel oil) is stabilized with at least one alkylpicolinium halide and/or at least one alkyl pyridinium halid, e.g. in an amount of 20-500 ppm. The stabilizer may be added to a fuel oil composition or to a fuel oil additive concentrate and sludge formation is thus inhibited. Cationic and/or non-ionic surfactants (e.g. long chain alkylamine acetate, dialkyl-dimethylammonium halide, polyoxyethylene-alkylamine or ethylene oxide/aliphatic alcohol adduct) also may be present. A hydrocarbon oil (e.g. kerosene) and a dissolution-promoting agent (e.g. ethylene glycol) may also be used to assist dispersion or solution formation. Stabilizers containing as alkyl group lauryl, myristyl, stearyl and cetyl are disclosed.
Patent GB-1192679-A (GB)
Title: Improvements in or relating to Apparatus for Bending and Edge Portion of Sheet Metal Elements to be Used in the Manufacture of Tubes, Boiler Shells or the like
IPC: B21D5/12
Filed: 1968-12-16
Abstract: 1,192,679. Curving. VEREINIGTE OSTERREICHISCHE EISENUND STAHLWERKE A.G. 16 Dec., 1968 [17 May, 1968], No. 59713/68. Heading B3E. Apparatus for bending an edge portion of sheet metal to be used in the manufacture of tubes or boiler shells comprising two pairs of bending rolls 6, 7; 8, 9 movable along the edge of the sheet metal 1 to be curved and arranged one behind the other in the direction of travel is characterized in that at least one bending roll of each pair consists of two roll elements which are axially spaced apart by a variable distance, the bending roll 6, 8 disposed on the convex side of the curved portion of the sheet metal supporting the edge of the sheet metal only at two spaced-apart points 10, 11, the counterbending roll 7, 9 applying pressure to the edge of the sheet metal between these points, the bending rolls being relatively adjustable to vary their centre spacing. The metal sheet is clamped to a table 4 by hold-down members 3. The bending rolls are rotatably mounted on a carriage 5 movable on wheels along the table 4. Each lower roll consists of roll elements 6a, 6b, 8a, 8b axially adjustable by spacer discs. The counter-bending roll 7 consists of two bead-shaped roll elements 7a, 7b spaced apart by a disc 12 which apply pressure between the spaced points 10, 11 on the elements 6a, 6b of the lower roll 6. The upper counter-bending roll 9 comprises only one bead-shaped element 9a although a second could be provided. The roll pair 8, 9 curve the outer edge of the sheet metal. The upper rolls are adjustable axially and vertically for varying the centre spacing between the rolls and their axes may be inclined relative to the lower rolls. A sensing device 13 and roller feelers (not shown) indicate the curvature imparted to the sheet metal and automatically adjust the bending rolls if desired.
Patent GB-1247893-A (GB)
Title: Document transport system
IPC: G06K13/073
Filed: 1968-12-17
Abstract: 1,247,893. Feeding sheets. INTERNATIONAL BUSINESS MACHINES CORP. 17 Dec., 1968 [26 Dec., 1967], No. 59927/68. Heading B8R. [Also in Division G4] A document transport system comprises a movable transport member provided with a plurality of ports in one surface, the member mounting a valve system for selectively coupling a vacuum source to the ports to attract a document and a control device for the valve system responsive to fluid pressure control signals. Fig. 1 illustrates apparatus in which documents 10 are fed between rollers 11 to a rotary drum 12 having sets of ports 15, 16 which may thus accommodate two documents simultaneously; suction is applied to the drum 12 and a document passes through reading station 17 before being transferred to second drum 13 having similar vacuum ports 15, 16; the documents may pass through a second reading station 18 and is then delivered by rollers 19. Stripping of a document from either drum is achieved by applying air under pressure to the ports. Each drum contains internal valves for selectively connecting air under pressure or suction to the ports and the valves are actuated by timed streams of fluid from stationary external nozzles 24, 25 from a variable cycle control 28. The internal valve circuits include fluid logic devices, Figs. 3 to 6 (not shown).
Patent GB-625956-A (GB)
Abstract: 625,956. Knitting-machines. CO-OPERATIVE WHOLESALE SOCIETY, Ltd., and MICHIE, L. H. March 21, 1947, No. 7781. [Class 74 (ii)] A trip device, that is influenced by a knot, snarl or the like in the knitting yarn, operates to reduce the speed of the machine and to actuate a resetting device for returning the trip device to original position and the machine to normal speed, the period of slower running being sufficient for the knot or the like to be knitted into the fabric. As described, the trip device comprises a lever 9, one end of which carries a plunger 12 which normally actuates a switch 10. A knot or the like in the yarn operates a feeler device to pull a cord 7 which moves a latch 8 to release the lever 9 which is urged away from the switch 10 by a spring 9b. The switch 10 is in series with the pull-in coils of the full-speed contactor for a variable speed electric motor driving the machine so that breaking of the switch reduces the speed of the machine. At the same time the lever 9 makes contact with a switch 11 in the circuit of a resetting motor 14 so that the motor commences to drive a rotary cam 15 which bears on the end of the lever 9 to bring it back to its normal position where it is engaged by the latch 8. In this normal position the lever 9 engages the switch 10 and is disengaged from the switch 11. Alternatively, in a machine driven by a multipole motor, the trip lever may operate polechanging switches to vary the speed of the machine, or in a belt-driven machine, the trip lever may operate a belt shifter to vary the speed.
Patent GB-2000039-A (GB)
Title: Apparatus for generating finely divided particulate bubbles in a liquid
IPC: C02F3/20
Filed: 1978-06-23
Abstract: Apparatus for generating finely divided particulate bubbles in a liquid comprising a hollow rotor TD mounted at the end of a hollow shaft 1 in a static housing 8, 9. Liquid is drawn up through a hole 9a in the bottom of the housing and ejected from its periphery by the action of radial vanes 6 on the underside of the rotor. Gas is drawn into the rotor interior through the hollow shaft and discharged at the periphery 5a and is entrained in the liquid in the form of bubbles. The rotor has a radially tapering interior. <IMAGE>
Patent GB-2002834-A (GB)
Title: Manufacturing reinforced cable
IPC: H01B13/02
Filed: 1978-08-07
Abstract: In a method of manufacturing wire-reinforced cables, conductors are withdrawn from reels, which rotate on stationary axes, which extend substantially in the direction of withdrawal. The cable is twisted about its longitudinal axis to strand the conductors. The resulting cable is wound up to form a coil which rotates on an axis extending substantially in the direction of the longitudinal axis of the cable. The reinforcing wires are withdrawn from reels which revolve around the stranded conductors opposite to the direction of rotation of the latter and the reinforcing wires are applied to the conductors immediately after the latter have been stranded.
Patent GB-2003082-A (GB)
Title: Extruding variegated soap columns
IPC: C11D13/18
Filed: 1978-08-23
Abstract: A liquid additive is introduced into a detergent for e.g. as a variegation of colour, or germicide or akin benefit material, by injecting the liquid, during extrusion of the bar, into the detergent within or immediately downstream of a multi-apertured plate 3 through which the detergent flows from an extrusion impellor to pass along a tapeing compression zone 6 to the extrusion die 10, as described in UK Specification 1387567. When separate (screw) extrusion impellors 1, 2, are employed in parallel uneven distribution of the injected liquid by flow along a common compression zone, is avoided by use of a partition 7 extending through the zone between the plate 3 and the die 10, so that each of a pair of detergent streams is subjected to separate compression, the velocities of the two streams being equalised by having a common extrusion volume 8 between the impellers 1, 2 and the apertured plate 3. A perforated plate may be located in each of the pair of streams between the plate 3 and the die 10. <IMAGE>
Patent GB-2007050-A (GB)
Title: PCM encoder/decoder arrangement
IPC: H03M1/00
Filed: 1978-09-11
Abstract: A dual channel PCM/Analogue Codec for speech transmission comprises a transmit channel amplifier TC and receive channel amplifier RC controllable for mutually exclusive operation by channel switches CSW, and a comparator COMP together with a ladder network LN and associated current steering switches CSS and compensated current sources CS2. In the encode mode the transmit amplifier creates a voltage across the resistors of the ladder network which is balanced by the voltage generated by the current sources. A null is consequently produced at the comparator input to govern the PCM output. In the decode mode, the transmit amplifier is switched "off" and the receive amplifier is switched "on". The PCM signal is presented to the ladder-network switches so that the ladder-network produces an analogue voltage which is applied to the receive amplifier. <IMAGE>