baber/WOPTO huggingface dataset:
Patent GB-1270006-A (GB)
Title: Improvements in or relating to the fermentation of methane utilizing microorganisms
IPC: C12N1/30
Filed: 1969-07-25
Abstract: 1,270,006. Proteinaceous foods. INSTITUTE OF GAS TECHNOLOGY. 25 July, 1969 [8 Aug., 1968], No. 37590/69. Heading A2B. [Also in Division C6] A proteinaceous feed or food and feed supplement consists of the cells product of a process comprising (1) inoculating in a react- or an aqueous nutrient medium comprising inorganic salts with a culture of a microorganism capable of assimilating methane and of the genus Bacillus, Methanomonas or Psendomonas, preferably Psendomonas sp. ATCC 21,310, Psendomonas methanica or Methanomonas methanica, the medium containing at least 0.005 g/L magnesium ion, at least 0.00025 g/L calcium ion, at least 0.0001 g/L iron ion, a nitrogen source comprising ammonium ions e.g. gaseous ammonia, and/or nitrate ions and having a pH of 6.0-7.5, (2) maintaining the inoculated medium at a temperature of 20‹ to 40‹C, (3) continuously supplying to the inoculated medium gaseous feed containing 3-97 volume per cent oxygen and 1-97 volume per cent methane, whereby the culture propagates by fermentation, (4) withdrawing effluent from the reactor and (5) recovering and drying a portion of the cells from the effluent. The conditions are maintained in log phase growth using several fermenters in series. The withdrawal of effluent and the supply of make-up medium (including effluent liquid and gases) may take place continuously. The following feed gas mixtures may be used, for example, (1) 40 volume % CH 4 , 40% O 2 , 15% N 2  and 5% CO 2 , and (2) a mixture of natural gas and air of specified composition.
Patent GB-893044-A (GB)
Title: Improvements in arrangements of the rails in a rolling-mill housing
IPC: B21B31/10
Filed: 1959-11-06
Abstract: 893,044. Rolling. SIEMAG SIEGENER MASCHINENBAU G.m.b.H. Nov. 6, 1959 [Nov. 28, 1958], No. 37675/59. Class 83 (4). In a rolling mill housing consisting of a stationary pair of guiding stands 4, Fig. 2, and an exchanging framework 1 which can be raised and lowered and receives the working rolls, the framework 1 is mounted on rollers and is removable from the windows of the stand on rails 3<SP>1</SP>, the rails 3<SP>1</SP> being carried on pivoted members 5 mounted within the windows of the stands 4 so that they may be swung into and out of an operative position wherein they lie immediately beneath the rollers 2. The members 5 are operated by a driving rod 8. The exchanging framework which carries vertical working rolls is raised and lowered through a cross-bar 10 by drives 12 and on withdrawal from the windows of the stand is led away on fixed rails 3, Fig. 3.
Patent GB-1150040-A (GB)
Title: Camera Case
IPC: A45C11/38
Filed: 1967-08-16
Abstract: 1,150,040. Every ready case for reflex camera. FRANKE & HEIDECKE G.m.b.H. Aug. 16, 1967 [Sept. 29, 1966], No. 37707/67. Heading G2A. An every ready case for reflex roll-film cameras comprises an integral front wall 5 and lid part 6 hingeable forwards and downwards and a rear wall 9 hingeable downwards independently. The rear wall hinge 11 may run parallel to the hinge of the rear wall of the camera and adjacent thereto.
Patent GB-1058798-A (GB)
Title: Photopolymerisable elements
IPC: C08F2/46
Filed: 1964-01-20
Abstract: 1,058,798. Photo-polymerizable materials. E.I. DU PONT DE NEMOURS & CO. Jan. 20, 1964 [Jan.24, 1963], No.37795/66. Divided out of 1, 58, 797. Heading G2C. A photo-polymerizable element comprises a support bearing a solid layer having a tack temperature above 220‹C. comprising (a) at least one non-gaseous ethylenically unsaturated compound containing at least one terminal ethylenic group, having a boiling point above 100‹C. at atmospheric pressure (b) a binder having a tack temperature above 220‹C. or an inert filler immiscible with (a) or both and (c) a diffusible colorant or colour former that diffuses at a temperature between 50‹C. and 300‹C. and below the temperature at which said layer becomes tacky and adherent to an image-receptive element, provided that if (a) is a polymeric compound having a binding action on the solid layer (b) may be omitted. Specified components (a) are acrylic and methacrylic esters of glycols of 1-10C., polyethylene glycols and polyhydroxy compounds e.g. pentaerythritol; alpha-vinyl carboxylic acid amides of alpha, co-diamines, vinyl esters and unsaturated aldehydes. Components (a) also constituting the binder (b) include cellulose acetate acrylate and methacrylate, polyvinyl acetate acrylate and methacrylate, N-acrylyloxy and N-methacrylyloxy methyl polyamides and N-allyloxy methyl polyamide. These latter compounds may be used with a plasticizer which diffuses in the underexposed areas. Specified components (b) are cellulose, cellulose ethers, polyvinyl alcohol, polyvinyl alcohol-formaldehyde and -butyraldehyde acetals, N-methoxy-methyl polyhexamethylene adipamide, polyurethanes and natural and synthetic rubbers. Numerous colorants and colour formers are specified including many of those listed in 905, 700. Specified fillers are siliceous compounds, baryta and synthetic latices, paper, fabrics, polyurethane and polystyrene foams and felts. The solid layer may contain an addition polymerization initiator activatable by actinic light, a thermal addition polymerization inhibitor and a chain transfer agent. Many are specified. The support may be vinylidene chloride/acrylic ester/itaconic acid copolymer coated on polyethylene terephthalate. The elements are used in transfer processes as described in Specification 1, 058, 797.
Patent GB-1358039-A (GB)
Title: Tea manufacture
IPC: F26B17/04
Filed: 1970-08-07
Abstract: 1358039 Tea drying MARSHALLS TEA MACHINERY CO Ltd 6 Aug 1971 [7 Aug 1790] 38142/70 Heading F4G To enable high rates of flow of heated drying air to be used in a tea drier, the air is directed in a single pass downwards on to tea leaves supported on an air pervious conveyer surface. An inlet fan is provided at the top of upper hood 1a and an extractor fan is provided at the bottom of the lower hood 1b. Tea leaf is introduced at 2 and deposited on perforated conveyer trays 10 pivoted at their front ends to two parallel endless chains 11 and maintained parallel to the chains by supports. A rotating paddle 13 spreads the leaves into a bed of uniform thickness which can be adjusted. As each tray 10 passes around drive sprocket 12a, it pivots outwardly to discharge tea leaves through an outlet 3. Each tray knocks against a hammer 17, is rotated back parallel with the chains 11 and passes a scraper 18 and a rotating brush 19. Each tray 10 is allowed to pivot downwards just before the sprocket 12b to discharge any leaves that have fallen through the upper flight. Pivoted baffles 22, 23 and 25 and felt seals 24, 26 prevent the escape of hot air. The inlet air is heated (to 320-340‹ F.) in a tubular heat exchanger (following the inlet fan) by means of heated oil, and the over-pressure and under-pressure in the upper and lower hoods respectively are between 0À02 and 0À10 inches of water. Two or more driers may be used in series, or one may feed a chamber drier.
Patent GB-1125003-A (GB)
Title: Quartz incandescent lamp
Inventor: GATES PAUL EDWARD
IPC: H01K1/38
Filed: 1965-09-07
Abstract: 1,125,003. Glass-metal seals. SYLVANIA ELECTRIC PRODUCTS Inc. 7 Sept., 1965, No. 38231/65. Heading C1M. [Also in Division H1] In making an incandescent lamp, a quartz envelope 1 with a tubular mouth 2 is sealed to a glass closure plug having an exhaust tube 4 within it, means for conducting current to the filament being disposed and sealed between the plug and the tubular mouth. The means may consist of lead-in wires 6, 7 attached to molydenum foils 8, 9 in turn attached to supporting and lead-in wires 10, 11 for the filament 12. The plug with the exhaust tube open is mounted upon a glass lathe, the filament and lead-in assembly is placed on either side of the plug, the mouth 2 of the envelope is slipped over the plug and heated until soft, a shaping tool being pressed against it. After cooling, the normal pump and fill operations are carried out through the exhaust tube which is then sealed off. To increase the current to the filament, two molybdenum foil sections may be connected in parallel between each external lead-in wire and the corresponding internal lead-in wire.
Patent GB-849066-A (GB)
Title: Interpolymers and compositions containing the same
IPC: C09D161/32
Filed: 1958-11-27
Abstract: Interpolymers of 55 to 85% by weight of styrene, 5 to 35% by weight of ethyl acrylate and 5 to 15% by weight of methacrylic acid may be prepared by polymerising a mixture of monomers having the specified proportions in the presence of 25 to 400%, based on the weight of said mixture, of an aromatic solvent for said mixture at a temperature of 125 DEG  to 200 DEG C. until substantially all the monomers are polymerised.  The solvent may be benzene, toluene, xylene or mixtures thereof, and polymerisation may be effected in the presence of initiators, e.g. ditertiary-butyl peroxide, benzaldehyde peroxide, cumene hydroperoxide, 2,2-bis(tertiary-butylperoxy) butane, tertiary-butyl peracetate and diazoamino benzene, activators, inhibitors, surface active agents and chain transfer agents.  The interpolymers may be used in coating compositions comprising compatible mixtures of 30 to 90% by weight of the interpolymer and 70 to 10% of melamine-formaldehyde-monohydric alcohol condensates, urea-formaldehyde-monohydric alcohol condensates or mixtures thereof, in solution in volatile organic solvents.  The condensates may be prepared by reacting (1) urea and formaldehyde or a reaction product thereof, e.g. dimethylol urea, and (2) melamine and formaldehyde or a reaction product thereof, e.g. tetra-, penta- or hexamethylol melamine, with saturated monohydric alcohols, e.g. methanol, ethanol, propanol or butanol.  Specified solvents are aromatic and aliphatic hydrocarbons, alcohols, ketones and esters, e.g. xylene, methyl ethyl ketone, butanol and mixtures thereof.  The coating compositions may also contain pigments, e.g. metal oxides such as titanium dioxide, hydroxides, chromates, silicates, sulphides, sulphates and carbonates, carbon blacks, organic dyestuffs and lakes, and metal flake pigments such as aluminium.  Specification 686,234 is referred to.
Patent GB-1075504-A (GB)
Title: A method and apparatus for casting an article
IPC: B22D7/00
Filed: 1965-09-08
Abstract: 1,075,504. Casting. RECHERCHES ETUDES PRODUCTION R.E.P. Sept. 8, 1965. Dec. 16, 1964], No. 38369/65. Heading B3F. In a method of casting a chill mould 1 having a flat side surface and a slot 3 extending from the top of the mould to near the bottom thereof, is placed with the slot against a slab 6 and is movable relatively thereto. The slab has an opening 7 through which a pouring spout 8 passes and which extends into the slot 3 of the mould. In the initial position ready for casting the mould is positioned with the spout near the bottom thereof and when pouring commences the mould is moved downwardly relative to the spout and slab at a predetermined speed so as to maintain the pouring spout in a constant relationship with the metal level in the mould. Spring means (not shown), may be provided to urge the mould and slab into contact during the casting operation, or alternatively, the slab and mould may be inclined 10-20 degrees to the vertical to effect and maintain the required contact. In an alternative embodiment (Figs. 6 and 7, not shown), guide means may be provided between the slab and mould and the means for effecting relative movement between the slab and mould may be angled 10-20 degrees so as to produce a force component urging the slab and mould into contact.
Patent GB-1012897-A (GB)
Title: Automatic bunk feeder mechanism
IPC: A01K5/02
Filed: 1964-09-22
Abstract: 1,012,897. Animal feeding appliances. AVCO CORPORATION. Sept. 22, 1964 [April 16, 1964], No. 38582/64. Heading A1M. An animal feeding device comprises a trough 10 one end of which communicates with a feed supply hopper 12, gates 9 being located along the length of the trough and opened at predetermined intervals to discharge feed into a manger or bunk located below the trough, means being provided so that the gate 9a adjacent the hopper may be closed during the time that the remaining gates are open. An auger moves the feed along the trough. The gates 9 are connected to a control shaft 8 and gate 9a is coupled to shaft 7 carrying an arm 35 which engages between rollers 38, 39 carried by a lever 36 pivoted on an arm 34 which is attached to shaft 8. The gates 9 and 9a are opened by rotating shaft 8 by means of lever 32 until roller 39 engages a stop 40 to disengage arm 35 causing gate 9a to snap shut under the action of spring 43. Further rotation of shaft 8 gradually closes gates 9 and arm 35 is then re-engaged between rollers 38 and 39. The lever 32 is moved by means of an electric motor under the contact of a timing device.
Patent GB-971974-A (GB)
Title: Manufacture of polyurethanes
Inventor: COFFEY DAVID HAY
IPC: C08G18/10
Filed: 1961-10-30
Abstract: Polyurethanes are produced by the reaction of organic polyisocyanates, hydroxyl group-containing polymers having at least two isocyanate reactive groups per molecule and, at the same time or subsequently a phenol having at least two methylol groups attached to phenolic aromatic rings but not more than two methylol groups on any one phenolic aromatic ring. Suitable phenols specified are dimethylol-p-cresol; dimethylol-o-cresol; 2-chloro-4, 6-dimethylolphenol; 3, 31, 5, 51-tetramethylol-4, 41-dihydroxydiphenylpropane; dimethylol-p-t-butylphenol and dimethylol-p-nonylphenol. The hydroxyl group containing polymers may be linear or branched chain, saturated or unsaturated polyesters or polyesteramides for the production of which many starting materials are specified, or they may be hydroxyl terminated polyethers which are the polymerization or copolymerization products of alkylene oxides which may be initiated by a glycol or a primary monoamine, or they may be branched chain polyethers prepared by polymerizing alkylene oxides in the presence of polyhydric compounds e.g. polyhydric alcohols, alkanolamines, sucrose, phenolformaldehyde reaction products, polyamines, glycidol, 3-hydroxymethylcyclooxabutanes and diepoxides. Many organic polyisocyanates are specified including di-isocyanates, tri-isocyanates, reaction products of an excess of a di-isocyanate with a polyhydric alcohol, uretedione dimers and isocyanurate polymers. The process of the invention is useful in the production of polyurethane coatings and foams. In the production of the latter blowing may be by means of water or a volatile liquid many of which are specified. Water may also be used as a chain extender for the polyurethanes of the invention preferably by using the process of Specification 926,971. Other additives which may be present are surface active agents e.g. oxyethylated phenols, fatty alcohols such as oleyl alcohol, or sulphated methyl oleate, polyalkylsiloxanes and block copolymers thereof with alkylene oxides; flame retardants e.g. b -trichloroethyl phosphate and antimony oxide; plasticizers e.g. tricresyl phosphate and dioctyl phthalate; pigments and fillers e.g. carbon black and silica, antioxidants e.g. t-butylcatechol and sterically hindered phenols; solvents e.g. acetone, cyclohexanone, methyl isobutyl ketone and xylene; flowing out agents such as nitrocellulose, ethyl cellulose, and ureaformaldehyde products; and catalysts e.g. 4-dimethylaminopyridine, iron and manganese acetylacetonates, antimony compounds, dibutyltin dilaurate, stannous octoate, lead acetate, basic lead acetate and lead 2-ethylhexoate. Examples are given of the production of polyurethane lacquers and foams.
Patent GB-1219435-A (GB)
Title: Sonar or echo sounding receiver systems
Inventor: HANSEN JAN FREDERIK
IPC: G01S7/62
Filed: 1968-08-14
Abstract: 1,219,435. Time expansion of signals; echo sounding. SIMONSEN & MUSTAD A.S. 14 Aug., 1968 [16 Aug., 1967; 6 Dec., 1967], No. 38883/68. Headings H4D and H4R. Apparatus for expanding the time scale of signals, used in conjunction with a display system in echo sounding equipment, comprises a recording medium, e.g. a magnetic disc or tape, on which signals are recorded to be simultaneously read off by a reproducing head having a different velocity relative the recording medium to that of the record head. In an echo sounding apparatus, Fig. 4, the echo signals are recorded on a record medium B by a record head travelling in one direction at velocity V1 and reproduced by a replay head travelling in the opposite direction at a velocity V2. The reproduced signal, with its time scale inverted and expanded is displayed on a display tube K whose vertical scan is triggered by the "bottom" echo, e.g. d, so that the display gives an expanded version of echoes from near the bottom, e.g. from fish shoals f.
Patent GB-1259943-A (GB)
Title: Electro-optical light deflection systems
Inventor: DORE MARCUS JOHN
IPC: H03K17/78
Filed: 1968-08-16
Abstract: 1,259,943. Light deflectors. DEFENCE, SECRETARY OF STATE FOR. 14 Aug., 1969 [16 Aug., 1968], No. 39232/68. Heading H4F. Light deflected to one of a plurality m of separately resolvable positions by an electically controlled electro-optic deflector is received on the input end of the corresponding one of a plurality of light guides, the input ends of the light guides being adjacent one another and their output ends being spaced apart. Light from the guides may be focused on a further deflector so as to give e.g. m<SP>2</SP> resolvable position in its output plane, in two orthogonal directions, for example, or additional deflector-light guide stages may be provided. The light guides may be of fibre optic construction or comprise pairs of mirrors or totally internally reflecting surfaces. The deflector may be of the type comprising iterated alternately inverted prisms with the positive C-axis direction of alternate prisms reversed.
Patent GB-1078064-A (GB)
Title: Process for the manufacture of aliphatic aralkyl-ketones
Inventor: ROCCA ANDRE
IPC: C07C17/26
Filed: 1964-09-25
Abstract: In Example 2 phenyl-1 propene-2 is prepared by reaction between allyl chloride and phenyl magnesium bromide in absolute ether. The compound is then isomerized by refluxing with potassium hydroxide in methanol to yield phenyl-1 propene-1.ALSO:Aliphatic aralkyl ketones of formula <FORM:1078064/C2/1> where X1, X2 and X3 each represent a hydrogen atom, a linear or branched alkyl radical containing 1 to 5 carbon atoms, an aryl or aralkyl radical, an alkoxy radical containing 1 to 5 carbon atoms, a fluorine atom or a bifluoromethyl group or a chlorine atom; Y represents a hydrogen atom or an alkyl radical containing 1 to 5 carbon atoms, and Z represents a hydrogen atom or a linear or branched alkyl radical containing 1 to 5 carbon atoms are prepared by (a) reacting an organo-magnesium compound of the formula <FORM:1078064/C2/2> with an allyl halide to give a compound of the formula <FORM:1078064/C2/3> (b) isomerizing the compound of Formula III to give the compound of the formula <FORM:1078064/C2/4> (c) converting the compound of the Formula IV by reaction with an organic peroxide or with an organic compound containing a peroxy group to 1,2-diol of the formula <FORM:1078064/C2/5> and (d) converting the compound of Formula V into a ketone of the Formula I by heating it in the presence of an acid catalyst, in which formula X1, X2, X3, Y and Z have the meanings given above and Hal represents a chlorine, bromine or iodine atom.  In step (a) the preferred allyl halide is allyl chloride and the reaction is preferably carried out in an anhydrous solvent at 0 DEG  to 80 DEG  C.  Step (b) is preferably carried out by an alkaline agent in a solvent at the solvent's reflux temperature. The preferred organic compound containing a peroxy group used in step (c) is performic acid, the reaction preferably being carried out in an aqueous medium.  The preferred temperature range for step (d) is 100 DEG  to 160 DEG  C. and the preferred acid catalyst is an arylsulphonic acid. Examples describe the preparation of (metatrifluoromethyl - phenyl) 1 - - propan - 2 - one, phenyl - 1 - propan - 2- one, (p - fluorophenyl)-1-propan-2-one and (p-chlorophenyl)-1-propan-2-one. Intermediates formed in the examples are:  Example 1 (meta - trifluoromethyl) -phenyl-3-propene and its -1-propene isomer and meta - trifluoromethyl) - phenyl - propane-1,2 diol; Example 2: phenyl-1 diol-1,2; Example 3:  (p-fluorophenyl)-1 propene-2 and its -propene-1 isomer and (p-fluorophenyl)-1 propane - diol - 1,2; Example 4:  (p-chlorophenyl)-1 propene-2 and its -propene-1 isomer and (p-chlorophenyl)-1 propane diol-1,2.
Patent GB-1454362-A (GB)
Title: Molecular emission cavity analysis
IPC: G01N21/72
Filed: 1972-08-24
Abstract: 1454362 Flame emission spectroscopy  ANACON Inc 23 Nov 1973 [24 Aug 1972] 39443/72 Heading G2J  An apparatus for flame emission spectroscopy comprises a burner 10, 11 for producing a flame; an optical emission analysis device 19, 21, 23, 24, 25, 26, 27, an emission promoting structure 14 defining a sheltered region being a hollow space with an open end for receiving a sample; and means for supporting the emission promoting structure with an open end in the interior of the flame in a position where the predominant direction of movement of the flame gases in the vicinity of the open end is generally across the end and to provide an exposure path for flame gas to interact with the reactant in the sheltered region, so that reactant vapour and flame gas can mix and interact in the sheltered region and emit radiation characteristic of the interaction along an optical path to the analysis device. Means are provided for introducing hydrogen to the sheltered region through the exposive path and a flow of oxidizer through a separate path into the region.
Patent GB-1496103-A (GB)
Title: Compressive strength of earthenware
IPC: C04B33/13
Filed: 1976-09-24
Abstract: 1496103 Compositions for making clay-ware H JAKLIN 24 Sept 1976 [25 Sept 1975] 39869/76 Heading C1J The compressive strength of clay-ware made by shaping and firing an argillaceous mass is improved by uniformly distributing throughout the mass at least 0À05% by weight of an active silicate of magnesium, calcium, barium and/or aluminium, which has been prepared by precipitation from water glass with a salt of the appropriate metal (or metals) and, optionally a mineral acid, and has a B.E.T. surface area greater than 15 m.<SP>2</SP>/g. In examples, up to 3% by weight of magnesiumaluminium silicate of surface area 80 m.<SP>2</SP>/g. and containing 98% of particles smaller than 40 microns is incorporated in a clay containing 40% of fireproof clay.
Patent GB-1441256-A (GB)
Title: Fabrics
IPC: A41D31/00
Filed: 1972-08-25
Abstract: 1441256 Knitted fabrics TBA INDUSTRIAL PRODUCTS Ltd 22 Aug 1973 [25 Aug 1972] 39881/72 Heading D1K A two-ply knitted fabric has its plies knitted respectively from asbestos and non-asbestos yarn, the layers being connected by interknitting e.g. by spaced tuck stitches. The fabric may be an interlock fabric. The non- asbestos yarn may be cotton, wool or nylon. A reflective metal e.g. aluminium film may be applied to the outside of the asbestos layer.