baber/WOPTO huggingface dataset:
Patent GB-978210-A (GB)
Title: Improvements relating to pistons for rotary-piston internal combustion engines
IPC: G01S13/933
Filed: 1963-12-11
Abstract: 978,210. Rotary-piston internal combustion engines. DAIMLER-BENZ A.G. Dec. 11, 1963 [Dec. 14, 1962], No. 49031/63. Heading F1F. A rotary piston I.C. engine of trochoidal type includes a piston divided into compartments 5, Fig. 1, by radially extending partitions 6, between the hub 1 and piston flanks 2 connecting the piston end walls 3, Fig. 2. The compartments 5 are supplied with cooling oil from the bearing 4 through ducts 11 located adjacent the trailing partitions of the respective compartments with respect to the rotational direction 9 of the piston. The hub 1 is shortened in the axial direction of the piston to provide outlets 8 from the compartments and preferably a wall 7 midway between the piston end walls 3 divides the compartments 5 into portions 5<SP>1</SP>, 5<SP>11</SP>, with the duct 11 discharging equally into both portions. The ducts 11 open nearer to the piston flanks than the hub and those ducts in the compartments nearer the mid-points may be of smaller diameter should this be desirable to produce hot points on the piston.
Patent GB-1376028-A (GB)
Title: Process for the preparation of phosphine oxides and sulphides
IPC: C07F9/53
Filed: 1972-10-26
Abstract: 1376028 Phosphine oxides and phosphine sulphides SOC NATIONALE DES POUDRES ET EXPLOSIFS 26 Oct 1972 [10 Nov 1971] 49391/72 Heading C2P A phosphine oxide (or sulphide) of the formula in which R is a linear or branched aliphatic radical, or an alicyclic, araliphatic or aromatic radical and X is O or S is obtained by reacting a halo compound R.Hal in which Hal is a halogen atom with Mg to form a Grignard derivative RMgHal, said reaction being commenced in the presence of a very small amount of a solvent mixture containing a preponderant amount by weight of diethyl ether and a minor amount of a second solvent which is aliphatic or aromatic hydrocarbon or a tertiary amine and then continued and completed in the presence of a solvent mixture containing a preponderant amount by weight of the second solvent, adding POCl 3  or PSCl 3  to the reaction mixture containing the Grignard derivative, hydrolysing the product thus obtained and isolating the phosphine oxide (or sulphide), formed by removing the solvent by steam stripping or steam distillation. The invention also comprises as new products: tri-(n-decyl)-, tri-(n-dodecyl-, tri-(phenylethyl)-, tri-(phenylpropyl)-, and tri-(3,5,5-trimethylhexyl)- phosphine sulphides, said phosphine sulphides being obtainable by the defined process. The products are useful for the selective extraction of metals, e.g. the lanthanides and the actinides, and in an example a mineral containing uranium oxide is treated with nitric acid to form uranyl nitrate which by reaction with tri-n-pentyl phosphine sulphide forms the complex UO 2 (NO 3 ) 2 .2(CH 3 -(CH 2 ) 4 ) 3 P=S which can be readily separated by conventional separation methods.
Patent GB-1460423-A (GB)
Title: O-substituted phenylthionothiolphosphoric acid esters and their use as insecticides and acaricides
IPC: A01P7/04
Filed: 1974-11-15
Abstract: 1460423 O-Substituted phenyl dithiophosphate esters BAYER AG 15 Nov 1974 [17 Nov 1973] 49513/74 Headings C2P and C2C The invention comprises dithiophosphate esters of the formula wherein R<SP>1</SP> is H or halogen (e.g. Cl or Br) and R<SP>2</SP> is alkylsulphonyl, haloalkylsulphonyl, or 1 - fluoro - 1 - carbalkoxy - methylmercapto having 1 to 4 C atoms in the alkyl group. They may be obtained by reacting a substituted phenol: in the presence of an acid binding agent or in the form of an alkali metal-, alkaline earth metal- or ammonium salt, with a halide: (C 2 H 5 O)(nC 3 H 7 S)P(S)Hal, where Hal is halogen, preferably Cl. The products have insecticidal and acaricidal properties and may be used as active ingredients in conventional pesticidal compositions. 4-Chloromethylsulphonyl phenol is obtained by adding sulphuryl chloride dropwise to a mixture of 4-methylmercapto phenol, ethylene chloride, acetic anhydride and a small amount of cone. H 2 SO 4 , stirring the mixture at 40 to 45 C., passing a stream of air through the solution and then adding 50% H 2 O 2  and sodium molybdate at 50 C. with further stirring at 60 to 65 C., the product being isolated after first destroying excess peroxide with sodium bisulphite solution, adding an aqueous solution of NaOH, filtering off the precipitated sodium phenolate and then dissolving the latter in water and acidifying with aqueous HCl. Treatment of the product (dissolved in acetic acid) with chlorine yields 2- chloro-4-chloromethylsulphonyl phenol. The following compounds: can be obtained in an analogous manner to the last-mentioned chlorination method. The compound: is obtained by adding first thiohydroquinone and then fluorochloroacetic acid ethyl ester to a solution of sodium in ethanol at 20 to 25 C., stirring the mixture for 3 days in the same temperature range and then pouring into water.
Patent GB-1253746-A (GB)
Title: A method of isomerizing dichlorobutenes
IPC: C07C21/09
Filed: 1969-10-09
Abstract: 1,253,746. Isomerization of dichlorobutenes. DENKI KAGAKU KOGYO K.K. 9 Oct., 1969 [9 Oct., 1968], No. 49625/69. Heading C2C. A process for isomerizing 1,4-dichlorobutene-2 to 3,4-diohlorobutene-1 and vice versa comprises contacting the dichlorobutene with a catalytic mixture of a metal and/or a metal salt and an organic amine hydrochloride under substantially anhydrous conditions. Suitable specified metals and metal salts are Cu, CuCl, CuCl 2  (anhydrous), CuSO 4  (anhydrous), CuCO 3 .Cu- (OH) 2 , Cu(CH 3 COO) 2 , BiCl 3 , SnCl 2  (anhydrous), ZnCl 2 , TiCl 4 , AlCl 3  (anhydrous) and FeCl 3  (anhydrous). Suitable specified amine hydrochlorides are the hydrochlorides of di- and triethylamine, triethanolamine, ethylenediamine, mono-, di- and tri-methylamine, di-n-propylamine, tributylamine, aniline, α- and #-naphthylamine, diphenylamine, m- and p-phenylenediamine, N,N-dimethylaniline and benzidine. The isomerization is preferably carried out at from 60‹ to 120‹ C., using from 0À01 to 10% by weight of the metal or metal salt, and from 0À01 to 5% by weight of the amine hydrochloride based on the dichlorobutene to be isomerized. Reference has been directed by the Comptroller to Specifccation 1,171,948.
Patent GB-1483497-A (GB)
Title: Esters of hydroxy-cyano-biphenyls having liquid crystal properties
IPC: C09K19/48
Filed: 1974-11-18
Abstract: 1483497 Liquid crystal compositions F HOFFMANN-LA ROCHE & CO AG 18 Nov 1974 [19 Nov 1973] 49787/74 Heading C4X [Also in Division C2] A nematic liquid crystal composition comprises a mixture of one or more of the compounds of the formula wherein R is a (C 3 -C 8 ) n-alkyl or a (C 3 -C 10 ) nalkoxy group, with one another and/or with other nematic substances and/or with non- nematic substances. Specified other nematic substances are (a) Schiff's bases of the formula wherein R 1  is a (C 2 -C 8 ) n-alkyl, a (C 4 -C 7 )-nalkoxy, a (C 2 -C 8 ) n-alkanoyloxy or a (C 2 -C 11 ) n-alkylcarbonate group; (b) Schiff's bases of the formula wherein R 2  is a (C 4 -C 7 ) n-alkyl or a (C 2 -C 11 ) nalkylcarbonate group; (c) compounds of the formula wherein R 3  is a (C 4 -C 8 ) n-alkyl, a (C 5 -C 8 ) nalkoxy or a (C 3 -C 11 ) n-alkylcarbonate group; or (d) compounds of the formula wherein R 4  is a n-alkyl or a n-alkoxy group. These compositions are useful in electrooptical devices.
Patent GB-1385420-A (GB)
Title: Preparation of 1,4-disubstituted-2-1h-quinazolinones
IPC: C07D317/66
Filed: 1972-10-31
Abstract: 1385420 Preparation of 1,4-disubstituted- 2(1H)-quinazolinones SANDOZ Ltd 31 Oct 1972 [18 Nov 1971] 50104/72 Heading C2C A compound of formula wherein R 1  represents C 1-5  alkyl group (other than a tertiary alkyl radical in which the tertiary carbon atom is directly attached to the ring nitrogen atom), an allyl, methallyl orpropargyl radical; R 2  and R 3 , which may be the same or different, each signifies a hydrogen, fluorine, chlorine or bromine atom, an alkyl, alkylthio or alkoxy radical of 1 to 3 carbon atoms or a nitro or trifluoromethyl group, provided that no more than one of R 2  and R 3  signifies an alkylthio radical or a nitro or trifluoromethyl group, and R 4  signifies a radical of formula in which Y 1  and Y 2 , which may be the same or different, each signifies a hydrogen, fluorine, chlorine or bromine atom, an alkyl or alkoxy group of 1 to 3 carbon atoms or a trifluoromethyl group, provided that no more than one of Y 1  and Y 2  signifies a trifluoromethyl group, provided that when R 1  signifies an isopropyl radical R 2  signifies a 7-methyl radical and R 3  signifies a hydrogen atom, then R 4  signifies other than a pfluorophenyl radical, is prepared by cyclizing a compound of formula in which R 1 , R 2 , R 3  and R 4  are as defined above, at a temperature of at least 80 C. and in the presence of a C 2-4  carboxylic acid, at least 3 moles of urea per mole of the compound III being employed.
Patent GB-1157569-A (GB)
Title: Polyamide/Polyethylene Blends.
IPC: C08L77/00
Filed: 1967-11-06
Abstract: 1,157,569. Synthetic resin compositions. E. I. DU PONT DE NEMOURS & CO. 6 Nov., 1967 [4 Nov., 1966], No. 50427/67. Headings C3P and C3R. Homogeneous blends comprising 3 to 50 weight per cent of polyamide resin and 97 to 50 weight per cent of polyethylene and a copolymer of ethylene and 0À1 to 8 mole per cent of an α,#- unsaturated carboxylic acid, said copolymer being present in at least a compatibilizing amount, may be prepared by blending the polymers in the melt or in solution. Specified polyamides are polyhexamethylene adipamide, polyhexamethylene sebacamide, polycaprolactam and copolyamides. The ethylene copolymer may be derived from acrylic, methacrylic, maleic or fumaric acid, or a monoalkyl ester or anhydride of a dicarboxylic acid, optionally together with minor proportions of other comonomers, e.g. methyl methacrylate or vinyl acetate. The blends may also comprise stabilizers, e.g. sodium hypophosphite, 1,1-bis (2-methyl-4-hydroxy - 5 -t-butylphenyl) butane, copper stearate, copper acetate and sodium phenyl phosphinate; and other conventional ingredients and may be formed into filaments, fibres, bottles, tubes, films, sheets, laminates and wire coatings which may be oriented by stretching. Examples describe blends of polyethylene and ethylene/ methacrylic acid copolymers with (I) a hexamethylene adipamide/caprolactam copolyamide and sodium hydrogen phosphinate, (II) polycaprolactam and (III and IV) polyhexamethylene adipamide. Reference has been directed by the Comptroller to Specification 998,439.
Patent GB-1139709-A (GB)
Title: Relay having magnetic reed contacts
IPC: H01H51/28
Filed: 1967-11-07
Abstract: 1,139,709. Electromagnetic reed relays. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 7 Nov., 1967 [10 Nov., 1966], No. 50601/67. Heading H1N. An electromagnetic reed relay has sealed magnetic reed contact units in a former whose tubular body and end flanges are slotted so that during assembly of the relay the contact units can be inserted laterally into the former before the coil is wound thereon. As shown contact units 1 have been inserted from above in the former 7 before the coil 13 is wound thereon with a lid 29 closing the slots in the tubular part 9 and flanges 11. The flanges 11 have projecting feet 15 through which the previously bent ends 17 of the reeds 3, 5 are passed to fit into a printed circuit board 23. The external parts 5 of the reeds rest in slots in elevated portions 25 of the feet 15, on which flux return members 27 also rest with an interleaved insulating foil 28.
Patent GB-1373244-A (GB)
Title: Apparatus for and method of producing variable degrees of magni fication of a visual image of an object and for recording said  visual image
IPC: G02B15/02
Filed: 1971-11-03
Abstract: 1373244 Composite photography COMMUNICATION CORPS Inc 3 Nov 1971 [23 Nov 1970] 51087/71 Heading G2X An apparatus for composite photography and capable of producing a variably magnified.image for recording includes a holder 34 for a transparency illuminated by lamp 2, a lens 15 for projecting the image of the transparency, two condensing lenses 16 of different focal lengths which focus the image in the plane of a holder 19 and a camera 23 with an objective 24 focused on this plane. At least one of the lenses 15, 24 is movable to vary the magnification ratio of the transparency and the image thereof recorded by the camera 23. The lenses 16 may be of 24 and 38 inches focal length respectively, the larger  focal length lens always being nearest to the lens 13. As shown the lens 24 may be a zoom lens and the camera 23 movable along the axis x-x. The slide holder 34 may be movable in mutually perpendicular directions to align parts of the transparency with the axis x-x. The holder 19 is able to receive translucent objects so that a composite image is recorded by the camera 23.
Patent GB-1449850-A (GB)
Title: Method for manufacturing on the spot of tanks and similars of  large dimensions in reinforced resins and tanks of large  dimensions in reinforced resins and tanks of large dimensions  so manufactured
IPC: B29C53/60
Filed: 1973-11-06
Abstract: 1449850 Moulding tanks VETRORESINA SpA 6 Nov 1973 [31 Jan 1973] 51405/73 Heading B5A  A method of making a tank comprises assembling a telescopically collapsible framework 1, wrapping a sheet, e.g. of P.V.C., around the framework to make a former, assembling preformed end portions, Fig. 4, not shown, on to the ends of the former, and then applying resin and reinforcing material, e.g. glass, carbon or asbestos fibre, to the former to build up the tank, and finally collapsing the framework and removing it through apertures in the end portions. The wall thickness of the tank can be varied.
Patent GB-514269-A (GB)
Abstract: 514,269. Indicating vibrations. LIST, H. April 28, 1938, No. 12794. Convention date, April 28, 1937. [Class 106 (iv)] Apparatus for indicating oscillations comprises an oscillatory optical device 5 supported partly by a detector needle 11 movable under the influence of a test body 13, and partly by a relatively heavy mass 12, the device 5 directing light to a deflecting light device 6 which directs a. beam on to a screen 7. The device 5 may consist of a small mirror receiving light from a source 1 and directing it on a polygonal mirror 6 which is rotated at an adjustable speed through gearing 8. The mass 12 and the needle 11 are resiliently mounted with respect to each other and the casing of the apparatus by blade or spiral springs. The mass 12 may be provided with screws to balance it vertically and horizontally. The needle 11 may act on the mirror 5 through an infinitely variable lever gear. In another construction in which the needle is remote from the mirror the impulses are transmitted by a wire 48 passing through a tube 55 and guided around corners by sector shaped pulleys.
Patent GB-1359412-A (GB)
Title: Processes for the production of resorcylic acid esters and products
IPC: A23L27/20
Filed: 1972-01-04
Abstract: 1359412 Chlorinated di- and tri-alkyl ring- substituted resorcyclic acid esters INTERNATIONAL FLAVORS & FRAGRANCES Inc 4 Jan 1972 [4 Jan 1971 12 Oct 1971] 51677/73 Divided out of 1359411 Heading C2C The novel esters of Formula I: in which R 2 , R 3  and R 5  are identical or different C 1 -C 3  alkyl groups and R 6  is Cl or a C 1 -C 3  alkyl group, may be prepared by reacting a compound of general Formula II: wherein R 2 , R 3  and R 5  are as defined above and R 4  is H or a C 1 -C 3  alkyl group, or a tautomer thereof, with an oxidative source of chlorine (e.g. Cl 2  or HOCl) at a temperature in the range 0-30‹ C. Methyl - 3,6,6 - trimethyldihydroresorcylate and methyl 6,6-dimethyldihydroresorcylate are prepared by condensation of dimethyl malonate with a mixture of 2-methyl-2-hexen-4-one and 2-chloro-2-methyl-2-hexen-4-one or with 4- methyl-3-penten-2-one respectively.
Patent GB-1091506-A (GB)
Title: Pressure sensitive thermosetting adhesives and tapes
IPC: C08G63/60
Filed: 1964-12-22
Abstract: A thermosetting pressure-sensitive adhesive composition comprises a partially cross-linked saturated polyester resin, a butylated melamine-formaldehyde resin, an ethoxyline resin, a flexibilizer and an oxidation inhibitor.  A solvent and/or a mineral filler may also be present.  The polyester preferably comprises 65 to 85 weight per cent of the total resin mixture, and may be derived from a low molecular weight polyol, preferably a trihydric aliphatic alcohol, e.g. glycerol, butane triol, and trimethylolethane, a C7- 9 hydroxy derivative of benzoic acid, e.g. salicylic acid, a dicarboxylic acid, e.g. phthalic or iso- or terephthalic acid, and a dehydrated natural oil, e.g. dehydrated castor oil or soybean oil.  The oil and part of the polyol may be pre-reacted, preferably in the presence of an initiator, e.g. Ca(OH)2, then condensed with the remaining starting materials, preferably in the presence of a condensation catalyst, e.g. isopropyl titanate.  The remaining part of the resin mixture in the adhesive composition preferably comprises 3-8 weight per cent of the butylated melamine formaldehyde resin, 3-10 weight per cent of the ethoxyline resin, 3-7 weight per cent of flexibilizer, which is preferably an oil extender, e.g. castor oil or pine oil, and 1-4% of oxidation inhibitor. Suitable solvents and fillers are toluene and xylene, and iron oxide, magnesium oxide, aluminium oxide, silica, carbon black, calcium carbonate, and talc.  In the examples a polyester is prepared from dehydrated castor oil, glycerol, salicylic acid and isophthalic acid in xylene i.p.o. Ca(OH)2 and isopropyl titanate.  This polyester is milled with iron oxide, talc, pine oil, polymerized trimethyl dihydroquinoline and xylene, and then with an aromatic epoxy resin, castor oil and a butylated MF resin. The composition is used to dip-coat woven fibreglass tape to form a pressure-sensitive adhesive tape which may be used to insulate copper bars.ALSO:A pressure sensitive adhesive insulating tape is prepared by coating a tape with a composition comprising 65-85 wt. % of a partially cross-linked saturated oil-modified polyester resin, 3-8 wt. % of a butylated melamine formaldehyde resin, 3-8 wt. % of a flexibilizer, e.g. castor oil or pine oil, and 1-4 wt. % of an oxidation inhibitor.  (see Division C3).  In addition there may be present solvents, e.g. toluene and xylene, and fillers or pigments, e.g. iron oxide, aluminium oxide, magnesium oxide, silica, C black, CaCO3 and talc.  In Examples a woven glass fibre tape is coated with a mixture of a glycerol/dehydrated castor oil/salicylic acid/isophthalic acid polyester milled with xylone, iron oxide, talc, pine oil, polymerized trimethyl dihydroquinoline, an epoxy resin, castor oil and a butylated MF resin.
Patent GB-1365150-A (GB)
Title: Continuous electrolytic treatment for cleaning and conditioning aluminium surfaces
IPC: C25F1/00
Filed: 1971-11-09
Abstract: 1365150 Cleaning aluminium ALCAN RESEARCH & DEVELOPMENT Ltd 9 Nov 1971 [16 Nov 1970] 52089/71 Heading C7B A method of pre-treating aluminium or aluminium alloy strip to receive an organic coating comprises passing the strip through an enclosed treatment zone through which hot acid electrolyte is passed counter-current to the strip. The strip passes through three electrode zones which are arranged cathode, anode, cathode. D.C. flows between the anode and the cathodes through the strip so that in a first zone the surface of the strip is cathodic and is subjected to cathodic cleaning, in an intermediate zone it is anodic and is subjected to anodic oxidation and in a third zone it is again subjected to cathodic treatment. The speed of the strip is at least 300 ft/min and the current density such that the aluminium surface is subjected to at least 0À1 coulombs per square inch but less than that required to provide 50 milligrams per 100 square inches of anodic film. The anodic area of the strip surface within the enclosed zone is at least twice the cathode area. The strip may contain 4% Mg and the electrolyte which may be sulphuric, phosphoric or chromic acids may contain 2-5 gm/litre aluminium ion. The stream of electrolyte is pumped through the enclosed zone at such a rate as to produce turbulence. Sheet passes into chamber 18 through rolls 21, 22 and out through rolls 27, 28. Excess electrolyte is removed by wringer rolls 29, 30. Electrolyte is introduced through ports 31, 32 and leaves through outlet 34 to settling tank 48 and temperature controlling device 50. The electrodes which are made of graphite, lead or steel are arranged in pairs embedded in the walls of the chamber 18. The first pair E 1  and last pair Eg are cathodes whilst E 2 -E 7  are anodes.
Patent GB-1409257-A (GB)
Title: Advertising media holders
IPC: G09F23/16
Filed: 1972-11-13
Abstract: 1409257 Advertising devices K H BRADER 13 Nov 1972 [24 May 1972] 52276/72 Heading G5C An advertisement holder 1 in the form of a plate is releasably clamped in an attachment 4 by means of screws 5, the attachment being shaped to fit over the top of a parking meter 6 to which it is secured by adhesive, or by bolts to a complementary member beneath the meter. The holder plate has an edging strip 2.
Patent GB-1171590-A (GB)
Title: Improvements in or relating to Screw Extruders with Gas Removal Means
Inventor: KOTASEK FRANTISEK
IPC: B29C48/67
Filed: 1968-11-05
Abstract: 1,171,590. Screw extruders; degassing means. REIFENHAUSER K.G. 5 Nov., 1968 [12 Feb., 1968], No. 52353/68. Heading B5A. An extruder having one or more screws for working synthetic thermoplastics is provided with degassing means comprising a baffle 3, a decompression zone 5 and vent(s) 4, the baffle having channels 6, Fig. 2, and (Fig. 3, not shown), wherein each channel is intersected at least once by another channel. Preferably the channels 6 also provide a series of intersections 9 at or immediately downstream of the downstream face of the baffle. As shown, the channels 6 are open and are formed integrally by machining or by removable inserts such as pins (8), Fig. 3 (not reproduced). Alternatively they may be formed by passages passing through the baffle. The latter may be formed integrally with screw-shaft 7 or comprise an interchangeable ring. Vent(s) 4 are connected to a suction unit. The invention is particularly intended for use with extruders producing plastics films for safety glass panels.