baber/WOPTO huggingface dataset:
Patent GB-1291595-A (GB)
Title: Rapid processing of photographic silver halide materials
IPC: G03C5/38
Filed: 1969-11-26
Abstract: 1291595 Photographic processing FUJI PHOTO FILM CO Ltd 26 Nov 1969 [29 Nov 1968] 57913/69 Heading G2C A rapid process for processing exposed photographic silver halide light-sensitive material having developer incorporated therein, comprises developing the material, in an activator, stabilizing it in a stabilizing solution containing an alkali metal or ammonium thiocyanate or thiosulphate, and rinsing it in a rinsing solution containing an alkali metal sulphite as herein defined and, as an antioxidant, at least one of toluhydroquinone, chlorohydroquinone, nitrohydroquinone, 2-benzylthio-5-methylhydroquinone, N, N-dimethyl-p-phenylene-diamine, 4-amino-3- methyl-N, N-diethyl-aniline, 4-amino-N-ethyl N-(#-hydroxyethyl) aniline, o-aminophenol, p-aminophenol, N-(p-hydroxyphenyl) glycine, N-hydroxy-o-aminophenol, N-(p-hydroxyphenyl)- N-methylglycine, p-aminosalicylic acid, 4-amino- N-methyl-N-butylaniline, 4-N-phenylaminoaniline, 4-(N-sulphoethyl-amino) phenol, 4-amino-N- ethyl-N-(#-aminoethyl) aniline, 4-N-ethyl-N-(#- N-methylaminoethyl)-amino aniline, 4-amino-N- benzylaniline, 4-N-(2<SP>1</SP>-sulphophenyl) aminophenol, 4-N-(2<SP>1</SP>-carboxyphenyl) aminophenol, 4-N-(2<SP>1</SP>- sulphophenyl) aminoaniline, 4-N-(2<SP>1</SP>-sulpho-4<SP>1</SP>- aminophenyl)-aminoaniline, 4-N-(4<SP>1</SP>-dimethylaminophenyl) aminoaniline, 4-N-(3<SP>1</SP>-methylphenyl) aminoaniline, 4-N-(2<SP>1</SP>-chlorophenyl) aminoaniline, 2-pentyl-hydroquinone, 4-phenyl catechol, 2, 3-dihydroxy anisole, methyl 3, 4- dihydroxy benzoate and sodium 1-amino-2- hydroxynaphthalene-6-sulphonate, the concentration of the alkali metal sulphite being from 20 to 200g. and the concentration of the antioxidant being from 0À05 to 5g. per litre of the rinsing solution.
Patent GB-1201350-A (GB)
Title: Feeler gauge
IPC: G01B3/00
Filed: 1967-12-20
Abstract: 1,201,350. Feeler gauge. CARL ZEISS JENA VEB. Dec.20, 1967, No.57918/67. Heading G1M. A feeler gauge comprises a ball 1 guided in a bore, the ball movements being transmitted to a wedge shaped cylindrical element 10 through one or more intermediate numbers 2, 3 which provide a plane surface in contact with the ball and a cylindrically curved surface in contact with the wedge.
Patent GB-1400719-A (GB)
Title: Supported nickel catalysts
IPC: C07C5/10
Filed: 1971-12-17
Abstract: 1400719 Hydrogenation catalysts UNILEVER Ltd 15 Dec 1972 [17 Dec 1971] 58625/ 71 Heading B1E Supported Ni-catalysts are made by mixing an aqueous solution of an Ni-salt, an aqueous solution of an alkali metal carbonate and an alkali metal hydroxide containing, by wt. of alkali metal hydroxide, at least 10% of alkali metal carbonate and a support material so that during the precipitation a suspension is formed with a temperature of 75-100‹C and a pH of 8.0-10 and separating the suspension. During the precipitation the alkalinity (excess of alkali present) is preferably maintained above 0.010 N. The catalysts may be activated by drying and then reducing with hydrogen. They may then be passivated using N 2 /air.
Patent GB-1263370-A (GB)
Title: Sulphur-containing pyridine derivatives
IPC: C07D213/65
Filed: 1969-12-02
Abstract: 1,263,370. Sulphur containing pyridine and condensed pyridine derivatives. MERCK PATENT G.m.b.H. 2 Dec., 1969 [5 Dec., 1968], No. 58829/69. Heading C2C. Novel compounds I (including acid addition, quaternary ammonium and sulphonium salts thereof) where the moiety II signifies the groupings III, IV or V and R<SP>3</SP> and R<SP>4</SP> are H, alkyl or together signify a divalent tetra- or penta-methylene radical and R<SP>6</SP> and R<SP>6</SP> have the same meanings as R<SP>3</SP> and R<SP>4</SP>, or R<SP>5</SP> can also be optionally NO 2 -, MeO-, alkyl- and/or halo-substituted-phenyl when R<SP>6</SP> is H, are made according to standard methods including, e.g. methylation or thiomethylation to form the methylthio group, cyclization to form the grouping V, amination (can use α-amino acids), alkylation or debenzylation especially of amino groups, oxidation to form CHO, and/or hydrogenolysing and/or hydrolysing appropriate starting materials, or by treating disulphides corresponding to I (SMe is replaced by-S.S. Me) with an organic trivalent phosphorus compound. The starting materials may contain protective groups (a wide variety are specified) which are subsequently removed. The following starting materials and derivatives are also described:-2-methyl-3-hydroxy-4-hydroxyiminomethyl - 5 - methylthiomethyl - pyridine hydrochloride, 2-methyl-3-hydroxy-4-benzylaminomethyl-5-methylthiomethyl-pyridine dihydrochloride, 2-(2-methyl-3-hydroxy-5-methylthiomethylpyrid-4-yl)-3,4-dimethyl-5-phenyl-oxazolidine, 2- methyl-3-hydroxy-4-(benzyl- or -ethyl-imino)- methyl-5-methylthio-methyl-pyridine and the 2,4- dinitrophenyl-hydrazone of 2-methyl-3-hydroxy-4- formyl-5-methylthiomethyl-pyridine. Pharmaceutical preparations containing I as active ingredient improve the electro-encephalogram, especially in the case of oxygen deficiency, and also effect a lowering of the blood lipid level. Administration may be enterally, parenterally or topically.
Patent GB-1282758-A (GB)
Title: Apparatus for producing prismatic soft packages
Inventor: BLOMENROEHR ERICH
IPC: B31B50/00
Filed: 1969-12-03
Abstract: 1282758 Packaging apparatus BENZ & HILGERS GmbH 3 Dec 1969 [11 Jan 1969] 58994/69 Heading B8C In a packaging apparatus a plunger 5 pushes a blank through a folding chamber 4 to form an open shell 6 which is inserted in a cell 2, then filled with butter, and closed by down-folding of the tops of the shell-walls, the folding being facilitated by score lines produced in the shell 6 by scoring plates 17 carried by the plunger 5. The plates 17 are carried on the arms 14b of angle levers pivoted at 15 to lugs 13 formed on a hollow shaft 9 carried by the plunger, the other arms 14a of the angle levers being received in a groove 12 formed in a member 10 received in the shaft 9 and urged downwardly by a spring 11. The inner wall of the cell 2 is provided with a groove 18 for receiving the scoring plates 17, and the cell-bottom 3 is reciprocated by a rod 3a. In operation, the member 10 abuts the cell-bottom 3 and is lifted to move the scoring plates 17 against the shell 6.
Patent GB-1463674-A (GB)
Title: Stabilised polyurethane compositions
IPC: C08K5/3435
Filed: 1974-02-20
Abstract: 1463674 Polyurethane films IMPERIAL CHEMICAL INDUSTRIES Ltd 9 May 1975 [20 Feb 1974] 59059/73 Heading B5B [Also in Division C3] Elastomeric polyurethane films having at least one dimension not greater than 7À5 mm. and having improved stability to U.V. radiation and oxidation contain 0À01 to 1% by weight of bis - [4(2,2,6,6 - tetramethylpiperidyl)]sebacate, (A), and optionally another antioxidant preferably a phenolic antioxidant having 3 or more sterically-hindered phenolic groups per molecule, and another U.V. absorber preferably a benzotriazole. Thermoplastic films may be made by forming a melt of the polyurethane containing the stabilizers, extruding the melt through a film die and quenching the resultant film. The film may then be drawn uni- or bi-axially. Thermoplastic films may also be produced by casting a film of a solution of the polyurethane on a surface and evaporating off the solvent. The films are exposed to U.V. radiation for testing their stability.
Patent GB-1313980-A (GB)
Title: Process for obtaining hydrogenochlorosilanes
IPC: C07F7/08
Filed: 1971-12-20
Abstract: 1313980 Hydrogenochlorosilanes RHONEPOULENC SA 20 Dec 1971 [22 Dec 1970] 59092/71 Heading C3S Hydrogenochlorosilanes of the formula wherein R 1  denotes straight or branched C 1-6  alkyl, are prepared by. reacting a siloxane or polysiloxane of the formula with a chlorosilane of the formula wherein R 2 , R 3 , R<SP>1</SP> 1  and R 4  independently represent straight or branched C 1-6  alkyl or alkenyl, a cycloalkyl or cycloalkenyl radical having 5 or 6 nuclear carbon atoms, or a phenyl, alkylphenyl or phenylalkyl group, R<SP>1</SP> 1  may additionally represent hydrogen and R 4  may additionally represent hydrogen or a chloromethyl group, n is zero or an integer less than or equal to 20, and p is 0, 1 or 2, in the presence of a hexalkylphosphotriamide or an N-alkyl-pyrrolidone. Examples describe the preparation of dimethylhydrogenochlorosilane and methylethylhydrogenochlorosilane, siloxanes such as tetramethyldichlorodisiloxane being formed as by-products. Uses.-As chemical intermediates and for purification of hydrogenosilanes by hydrolysis to siloxanes and reconversion to hydrogenosilanes.
Patent GB-1157730-A (GB)
Title: Transmission Line Termination Circuit
IPC: H04B3/40
Filed: 1967-12-29
Abstract: 1,157,730. Electric impedance networks. TEKTRONIX Inc. 29 Dec., 1967 [3 Jan., 1967], No. 59144/67. Heading H3U. A transmission line is terminated by the bridged-T network shown in Fig. 3 in which inductances L 1 , L 2  are mutually coupled and in which the values of the components are such that for A.C. the termination impedance is substantially equal to the characteristic impedance of the transmission line whilst for D.C. the termination impedance is substantially equal to the resistance of the load. As shown in Fig. 1, in which the termination network of Fig. 3 is given the general reference 14, the load comprises a cathode ray oscilloscope 16 represented by a resistance 22 and capacitance 20. The transmission line comprises a coaxial cable 12 having its input connected to an electrical probe 10 represented by resistance 24 and capacitance 26. To compensate for variations in load capacitance 20 a third resistance R 3  and capacitance C 3  may be provided. A second resistance R 2  may be provided to obtain proper damping of signal reflections. The extremely high D.C. input impedance of the network 14 ensures that the signal source 10 is not appreciably loaded thereby.
Patent GB-1410410-A (GB)
Title: Purification of 1,2-dichloroethane
IPC: C07C17/38
Filed: 1973-12-21
Abstract: 1410410 Purification of 1,2-dichloroethane RHONE-PROGIL SA 21 Dec 1973 [27 Dec 1972] 59424/73 Heading C2C A process for removing trichloroethylene impurity from crude 1,2-dichloroethane comprises chlorination of the trichloroethylene in the liquid phase at a temperature of from 20 to 80 C., protected from light radiation, in the presence of a Lewis acid catalyst, e.g. ferric chloride, and ethylene, the chlorine, 1,2-dichloroethane containing trichloroethylene, and ethylene being introduced continuously into a homogeneous reaction zone in an ethylene/ trichloroethylene molar ratio of at least 50 : 1 and a trichloroethylene/chlorine molar ratio of at most 0.02: 1. Preferably the liquid phase in the homogeneous reaction zone contains less than 200 parts per million by weight of moisture, the Lewis acid catalyst is present in an amount of from 60 to 200 p.p.m. by weight of the liquid in the homogeneous reaction zone.
Patent GB-1420088-A (GB)
Title: Pneumatic tyres
IPC: B60C9/00
Filed: 1972-12-29
Abstract: 1420088 Pneumatic tyres MICHELIN & CIE (COMPAGNIE GENERALE DES ETABS MICHELIN) 29 Dec 1972 [31 Dec 1971] 60174/72 Heading B7C A radial pneumatic tyre comprises a carcass ply structure 12 having at least one ply of radial or substantially radial cords, e.g. of rayon, steel, polyester or polyamide, and a crown reinforcement having at least two ply structures, each structure comprising at least one ply of parallel cords. The cords of each ply structure are parallel with each other, and the cords of each ply structure are non-parallel with the cords of an adjacent structure. The carcass ply structure and/or each crown reinforcement ply structure satisfies 5 #(T/R) # 15, where T is the product of the force required to break each individual cord (in kilogrammes) and the average number of cords per centimetre of width (taken at right angles to the direction of the cords) of the ply structure, and R is the internal radius (in centimetres) of the tyre at the mid-circumferential plane when the tyre is mounted on a rim, is inflated to its normal pressure, and is unloaded. In the illustrated embodiments, the carcass ply structure comprises a single ply of steel (Fig. 1), or twisted polyamide (Fig. 2), cords; and the crown reinforcement comprises three steel cord ply structures 21, 22, 23. Ply structures 21, 22 make cord angles of 22 degrees with the mid-circumferential plane while the ply structure 23 makes cord angles of 65 degrees with that plane. The maximum thickness of the crown reinforcement is 5 mm. The tread, provided with zigzag grooves 25, has a depth of 16 mm. with the grooves each having a depth of 12 mm. In the embodiment of Fig. 1 three bead cores of steel wires are incorporated in each bead, and in the embodiment of Fig. 2 the carcass ply is turned up around bead cores 4 and extends to points 14, rubber inserts 17 enhance the flexibility of the sidewalls.
Patent GB-1372730-A (GB)
Title: Apparatus for producing a continuous rod pertaining to the tobacco  industry
IPC: A24C5/47
Filed: 1971-12-29
Abstract: 1372730 Wrapping continuous rods HAUNI-WERKE KORBER & CO KG 29 Dec 1971 [30 Dec 1970] 60535/71 Heading A2C A continuous rod machine, for making tobacco-smoke filters, cigarettes or tubular mouthpiece elements, in which a continuous strip 27 provided with adhesive at least at one side edge is closed around a filler to form a tubular wrapper with an overlap seam 42; includes a rod guide 32 having a passageway 46 for the product of which the crosssection corresponds to that of the product to be formed and, projecting into the passageway 46, means associated with the guide for assisting the setting or drying of the, adhesive. The rod guide 32 comprises a lower part 53 to which an upper part 44 is pivotally mounted by a hinge 56. A cooling tube 48 through which a cooling fluid is circulated, mounted within a block 49 of heat insulating material, is formed with a presser bar 47 with an exposed cooling surface 43. A continuous filter rod 31, previously wrapped in a continuous strip 27 with a hot thermoplastic adhesive uniting its seam 42, is transported through the passageway 46 of the guide 32 where the adhesive on the seam 42 is cooled and set by contact with the cooling surface 43. The extent to which the surface 43 projects into the passageway 46 is adjustable by means of screws 57. Where a cold gum is used as the adhesive, the cooling fluid is replaced by a heating fluid so that the surface 43 becomes a heating surface for drying the gum.
Patent GB-1272360-A (GB)
Title: Combination lock
IPC: E05B37/12
Filed: 1970-12-23
Abstract: 1,272,360. Combination locks. HEINRICH HULTER Jnr. 23 Dec., 1970 [9 Jan., 1970], No. 61147/70. Heading E2A.  In a combination lock in which character wheels 10 are engageable in different relative angular positions with locking wheels 9 for setting the lock to different combinations, and wherein each wheel 9 has an opening 11 in which a locking tang 12 on a locking slider 8 is engageable when the correct combination has been set to allow the slider to be moved by a manual actuator to release the lock, each wheel 10 has a shaft part 14 which projects through an opening in a front plate 1' of the casing of the lock, an annular flange 16 the front face of which is in contact with the inner surface of the plate 1', a central recess 17 accommodating a shaft part 18 of an associated wheel 9 which is spring loaded away from base plate 2 of the casing and, concentric with the recess 17, catch recesses 19 in the rear surface of the flange 16; each wheel 9 has projecting forwards from the front surface thereof, catch noses 20 which are engageable in the recesses 19. As shown, the tangs 12 normally engage the edges of the wheels 9 when the lock is fastened, the bolt 6 being engaged in a hasp, and turning of the wheels 10 to cause the correct numerals thereon to appear in windows in the plate 1' brings the recesses 11 of the wheels 9 into alignment with the tangs when the slider 8 may be moved against spring bias by an actuator to disengage the bolt and hasp. To set the combination, the lock is released and with the slider held in the retracted position thereof the wheels 10 are rotated so that the noses 20 engage in any of the recesses 19 to give the desired combination. Positive positioning of the wheels 10 is effected by a doublearmed leaf spring engageable with notches around the rims of the flanges 16 of the wheels.
Patent GB-1254236-A (GB)
Title: Stationary electrical contact assembly with permanent magnet blowouts
IPC: H01H9/44
Filed: 1969-12-16
Abstract: 1,254,236. Arc-rupturing in switches. SQUARE D CO. 16 Dec., 1969 [17 Jan., 1969], No. 61164/69. Heading H1N. Magnetic arc blow-out for a direct current electromagnetic relay comprises two - discshaped permanent magnets 52 placed either side of stationary-contact-carrying insulating block 10, a stationary contact, 46, being adjacent to each magnet. The magnets, the opposite side faces of each of which are of opposite polarity, have a split rim 55, of e.g. copper, aluminium, having good - arc-resistant properties, resiliently heldabout the magnets. The respective rims are prevented from rotating about the magnet by the rim-gap 56 engaging projection 27. The magnets are held in place by resilient contact arms 40 which have terminals 45. The magnets, preferably, are - of a rubberbondedbarium ferrite composition and havea recess 54 engaged by a projection 50 on the contact arm.
Patent GB-1256184-A (GB)
Title: Process for the preparation of allylic primary or secondary alcohols
Inventor: GRARD CHARLES
IPC: C07C29/56
Filed: 1969-12-30
Abstract: 1,256,184. Allylic alcohols. RHONE POULENC S.A. 30 Dec., 1969 [30 Dec., 1968], No. 63395/69. Heading C2C. Allylic primary or secondary alcohols having the general formula are prepared by heating an allylic tertiary alcohol having the formula wherein R 1  and R 2  are each saturated or unsaturated, aliphatic, cycloaliphatic, aromatic or araliphatic radicals, optionally substituted by a halogen or a hydroxy, alkoxy, acyl or acyloxy group, and optionally having their carbon chain interrupted by hetero-atoms, such as O, N or S, or functional groups such as -CO- or -CONH, to together form a single, divalent, saturated or unsaturated aliphatic radical of 2 or more carbon atoms optionally substituted by a halogen or an alkyl, cycloalkyl, aryl, aralkyl, hydroxy, alkoxy, acyl or acyloxy radical, and optionally having their carbon chain interrupted as above, and R 3  is hydrogen or the same as R 1  and R 2,  in the liquid phase in the presence of a catalyst comprising a derivative of a transition metal from Group VA, VIA or VIIA of the Periodic Table. Suitable specified tertiary alcohols include linalol, nerolidol, 3- methyl - 1 - penten - 3 - ol, 2 - methyl - 3- nonen - 2 - ol, 2,2,6 - trimethyl - 1 - vinylcyclohexanol and 3-methyl-l-buten-3-ol. Suitable specified catalysts include, ammonium metavanadate, t-butyl-, t-amyl-, cyclohexyl-, and tetrahydrolinalyl - orthovanadates, ammonium molybdate and vanadyl acetylacetonate. The reaction is preferably carried out continuously at a temperature of from 50‹ to 250‹ C. under an anhydrous atmosphere in the presence of a co-catalyst e.g. ammonia.
Patent GB-726052-A (GB)
Abstract: 726,052. Loose leaf binder covers. HARE & SON, Ltd., C. H. Dec. 21, 1953 [Jan. 3, 1953], No. 209/53. Class 146(1). A loose leaf binder comprises an angle-shaped strip c attached by rivets c<SP>4</SP> to the inner edge of each board or cover a so that a flange abutment c<SP>4</SP> is presented on the outer face of the board or cover a against or beneath which the edge of the leather, canvas, or like outer covering d may abut or engage, and a rubber edging e of semicircular or other suitable section is applied to the periphery of the boards or covers a within a protruding edge of which the outer covering d is applied, the extremities of the rubber edging e abutting against extended extremities c<SP>5</SP> of the strip c and secured thereto as by rivets c<SP>6</SP>. As described, the covers are for use with thong binders and are provided on the main flange c<SP>2</SP> with slots or recesses c<SP>3</SP> for passage of the thongs and for hinge plates which protrude from the boards a to engage clamping bars through which the thongs pass. In a modification, not shown, the flange c<SP>1</SP> extends also round the extension c<SP>5</SP> to enclose the edge of the board a and the rubber edging e.
Patent GB-2017360-A (GB)
Title: A data processing system for the selection of subjects
IPC: G06Q99/00
Filed: 1978-06-20
Abstract: This invention relates to data processing systems and more particularly to means for the controlled selection of subjects from a data bank by weighted crosscorrelation techniques. The subject selected can be a thing or person.
Patent GB-2001382-A (GB)
Title: A roofing slab
IPC: E04B7/20
Filed: 1978-07-20
Abstract: A rectangular roofing slab is made out of concrete, which may be suitably reinforced, and has an integral rib 4 running along the length of one of its major faces. The slab has a minimum width of 30 mm. <IMAGE>
Patent GB-2002488-A (GB)
Title: Epicyclic gear with load compensation
IPC: F16H1/36
Filed: 1978-08-04
Abstract: The invention relates to epicyclic gear having load compensation and comprising a pair of sun wheels 4a, 4b, a cage 7 containing planet wheels 5 meshing respectively with the sun wheels 4a, 4b, and two annular gears 11a, 11b mounted with respect to the housing 10. In a gear according to the present invention, the annular gears 11a, 11b are secured within the housing by bolts 22, 23 extending generally axially of the gear. Such securement combines economy with a low noise level and safety whilst not jeopardizing the reliability of the gear. Separate securement of the annular gears, which is preferred, means that movement of one is not transmitted to the other. <IMAGE>
Patent GB-2007388-A (GB)
Title: Proportioning flow in pipes
IPC: F15D1/02
Filed: 1978-09-07
Abstract: A method or apparatus for proportioning flow in pipes (1 to 22) so that should the total flow change the relative proportions of the rates of flow in the pipes are maintained constant. This is done by automatic change in the resistance to flow in the pipes by means of respective fluidic control devices (50). The various fluidic devices are proportioned according to the flows required through them. Each device (50) has an internal control formation and a control port (52) and a common connection between the control ports is established. The method is especially, though not exclusively, applicable to the control of flow through the heat exchange channels of large boilers in steam power generating plant. In such applications the invention is especially useful in maintaining proportionality of flows in the channels where some channels are required to be blanked off. <IMAGE>
Patent GB-2006281-A (GB)
Title: Elastic Yarn and Fabric from Animal Fibre
IPC: D02G3/32
Filed: 1978-09-25
Abstract: Yarn having elongation elasticity is made from naturally crimped, animal hair by spinning to a high twist under low tension. The yarn can be used to make a fabric having elasticity predominantly in the weft or warp direction.
Patent GB-2006730-A (GB)
Title: Dehydrating aluminium fluoride.
IPC: C01F7/50
Filed: 1978-09-27
Abstract: A process for the preparation of anhydrous aluminium fluoride with a water content of not more than 0.5% and an A1F content of at least 96% by weight by calcining water-containing or hydrated aluminium fluoride at 550 DEG  - 650 DEG C, in which, in order to obtain the desired high A1F3 content, the calcination temperature (in OK = T), the water vapor concentration in the atmosphere above the material to be calcined (in % by volume = A), the amount of water vapor (mH2O) which, in a specific unit of time, sweeps over the material to be calcined at the calcination temperature, and the amount of aluminium fluoride (mA1F3) put through in the same unit of time are adjusted so that the hydrolysis factor B obtained from these values in accordance with the equation:   <IMAGE> is not more than 5 x 10<-5>r