baber/WOPTO huggingface dataset:
Patent GB-1347896-A (GB)
Title: Treatment and washing of electrolyte
IPC: C25D21/16
Filed: 1971-04-19
Abstract: 1347896 Electro-dialisis of workpiece treatment and washing liquids S B TUWINER 19 April 1971 [1 April 1970] 25963/71 Heading C7B In electro-plating plant e.g. copper or nickel plating, or stainless steel pickling, there is provided apparatus for washing the workpieces leaving a treatment tank 1 and recovering the electrolyte, wherein the workpieces are dipped sequentially through wash tanks 2 and 3 and the solution in tank 1 is pumped through the concentrating compartments of an electro-dialyzer 7 and then returned to the tank, the wash solution intank 2 is pumped through the diluting compartments of dialyzer 7 and the concentrating compartments of an electro-dialyzer 8 and then returned to the tank, and the wash solution from tank 3 is pumped through the diluting compartments of dialyzer 8 and then returned to the tank. The stack voltages on the dialyzers is kept above the limit for membrane polarization, the limit being determined by the condition that dV/dI > 2V/I, where I and V are the stack current and voltage. The concentration of electrolyte in adjacent tanks is maintained at least at 5:1 but preferably 100:1. The electrolyte may include complex cyanides of copper, zinc, gold, silver or cadmium, alkaline chromate solutions, acid chromates and trivalent chromium, nickel sulphate or nickel chloride, copper sulphate or copper fluoborate, or complex fluorides of iron, chromium or aluminium.
Patent GB-1262649-A (GB)
Title: Quaternary ammonium compounds and their use as plant growth modifiers
Inventor: DAVIDSON ALAN JOHN
Filed: 1968-05-30
Abstract: 1,262,649. Quaternary ammonium salts. IMPERIAL CHEMICAL INDUSTRIES Ltd. 5 May, 1969 [30 May, 1968], No. 25980/68. Heading C2C. [Also in Division C1] Novel quaternary ammonium salts of the general formula in which R<SP>4</SP> is -CH 2 CH=CH 2 , -CH 2 CH 2 Cl or- -CH 2 CH 2 Br and wherein R<SP>3</SP> is an aliphatic radical of 4 to 6, 8 to 11, 13, 15 or 16 carbon atoms when R<SP>4</SP> is -CH 2 CH = CH 2'  or -CH 2 CH 2 Cl or R<SP>3</SP> is a C 3-5 , C 8 , C 9 , C 11  or C 13-16  aliphatic radical when R<SP>4</SP> is -CH 2 CH 2 Br, and Z- is an anion, are prepared by reacting a tertiary amine R<SP>3</SP>N(CH 3 ) 2  with allyl chloride, bromide or iodide or with 1,2-dichloro- or 1,2- dibromoethane. The anion is preferably chloride or bromide. Amongst the compounds prepared are allyldimethyl tetradecylammonium bromide, 2 - bromoethyl - dimethyltetradecylammonium bromide and 2-chloroethyldimethyltetradecylammonium chloride.
Patent GB-1368878-A (GB)
Title: Preparation of 3,5-dichloro-4-hydroxybenzoic acid
IPC: C07C51/363
Filed: 1972-06-02
Abstract: 1368878 Preparation of chlorinated hydroxybenzoic acid DYNAMIT NOBEL AG 2 June 1972 [5 June 1971] 25982/72 Heading C2C 3,5-Dichloro-4-hydroxybenzoic acid is produced by passing gaseous chlorine into a suspension of p-hydroxybenzoic acid in an aqueous medium, preferably water or aqueous hydrochloric acid, whereby the chlorine and the phydroxybenzoic acid react to form the compound required.
Patent GB-1206917-A (GB)
Title: Electroacoustic transducer
Inventor: ICHIMURA KUNITOSHI
IPC: H04R11/00
Filed: 1969-05-22
Abstract: 1,206,917. Moving armature transducers. RION K.K. 22 May, 1969, No. 26104/69. Heading H4J. In an electro-acoustic transducer having an armature 42 supported as a cantilever with its free end portion 54 located in an air gap, a screw 50 of magnetic material is disposed on one side of the air gap with an end face facing the air gap. The screw 50 is adjustable to vary the position of magnetic balance of the cantilever. A second adjustable screw 60 may be provided on the other side of the air gap. In another arrangement a U-shaped armature 142 has a free end portion 154 disposed within an air gap 130, an adjusting screw 150 (or two opposite adjusting screws) for the air gap 130 being provided. A connecting rod 158 extends from the armature 142 through an acoustic screen 160 to a diaphragm 162. A housing 164 is mechanically and acoustically connected to an acoustic conduit 166. Acoustic pipes 168 and a terminal block 170 for the winding 156 are provided. The transducers may be transmitters or receivers for use in hearing aids.
Patent GB-867491-A (GB)
Title: 2:3:6-triacyloxybenzoic acids and derivatives thereof and methods of making them
IPC: C07C66/00
Filed: 1958-08-14
Abstract: The invention comprises 2,3,6-triacetoxy benzoic acids, esters and amides of the general formula:  <FORM:0867491/IV (b)/1> X represents a hydroxy group, an alkoxy group containing 1 to 6 carbon atoms or the group NR1R2 where R1 and R2 each represent hydrogen or alkyl groups containing 1 to 6 carbon atoms; and a process for their production by acetylating a quinone of the formula:  <FORM:0867491/IV (b)/2> with acetic anhydride in the presence of a strong inorganic acid or a Lewis acid as catalyst.  The invention also includes a process for the production of 2,3,6-trihydroxy benzoic acids, esters and amides by hydrolysing the 2,3,6-triacetoxy compounds so that only the acyl groups are split off e.g. by refluxing with methanol and hydrochloric acid.  The quinone starting material may be prepared by oxidation of gentisic acid or its esters or amides with silver oxide or nitrogen oxides.  The examples describe the preparation of methyl 2,3,6-triacetoxy benzoate, 2,3,6-triacetoxy benzoic acid, 2,3,6-triacetoxy benzamide and N,N-dimethyl-2,3,6-triacetoxy benzamide by acetylating the quinone in the presence of sulphuric acid or boron trifluoride etherate, and their hydrolysis to the corresponding 2,3,6-trihydroxy compounds by refluxing with methanol or ethanol and hydrochloric acid.
Patent GB-866656-A (GB)
Title: Hydraulic circuit for contour tracing in a machine tool
IPC: B23Q35/36
Filed: 1959-07-30
Abstract: 866,656. Copy-turning. CINCINNATI MILLING MACHINE CO. July 30, 1959 [Nov. 28, 1958], No. 26162/59. Class 83 (3). A machine tool comprises an hydraulic motor 31, Fig. 2, for relatively traversing a tool and a workpiece, means 47 responsive to the movement of a follower 49 over a pattern 50 to connect the sides of the motor to different pressure levels when the movement of the follower is within predetermined limits and to connect the sides of the motor to the same pressure level when the movement is beyond the limits. In a lathe, the hydraulic motor 31 moves a saddle 13, Fig. 1, through rack-andpinion gearing 22, 23. The tool-slide 38 is manually adjustable on a copying slide 37 moved on the carriage 13 by a motor 36. The slide 37 carries the tracer 49 co-operating with the pattern 50 to produce a shouldered workpiece 16, Fig. 6. The tracer 49, Fig. 2, is mounted in balls 57 in a sleeve 52 adjustable axially of the housing 47 by screws 53, 54. One portion 70 of the tracer valve controls the motor 36 and the other portion 71 controls the motor 31. In operation, a lever 117 is set in a position 117b for traversing the saddle 13 to the left, Fig. 6. Fluid is then supplied to the motor 36 to move the tracer 49 up to the pattern 50. When the tracer engages the pattern, the valve 46 is moved upwardly to a null position to stop the feed movement and to start the traverse motor 31. The saddle 13 moves in direction B, the fluid from the pump 107 being supplied to the motor 31 via lines 106, 87, 100, 88, 114, 125 and 119 and discharged via lines 118, 126, 121 and a throttle valve 122. When the tracer encounters the face 44a of the template, the valve is moved upwardly to connect the motor 36 to pressure and to close the pressure supply to the motor 31. However, the motor 31 continues at a creep speed due to seepage through a gap 135, Fig. 7. The tracer is thus further deflected until port 88 is connected to port 89 and both sides of the motor 31 are connected to discharge, thus stopping it. Similar results follow when the tracer reaches the junction 44b, 44c. The valve then moves to its lower position and seepage at first occurs through a passage 136. In a modification, the throttle valve is on the pressure side and instead of both sides of the motor 31 being connected to exhaust when it is at rest, they are connected to pressure. The saddle 13 can be traversed rapidly independently of the tracer valve by moving the lever 117 to either of the positions 117c.
Patent GB-1492457-A (GB)
Title: 1,2-alkylene-4-substituted urazole derivative
IPC: A01N43/64
Filed: 1975-06-19
Abstract: 1492457 Heterocyclic fused 1,2,4-triazolidines MITSUBISHI CHEMICAL INDUSTRIES Ltd 19 June 1975 [19 June 1974 11 Sept 1974 13 Sept 1974 18 Sept 1974 4 Oct 1974 18 Nov 1974 19 Dec 1974 27 Dec 1974 20 Jan 1975] 26178/75 Heading C2C The invention comprises compounds (I), where A is a C 1-8  alkylene or C 2-8  alkenylene group optionally methyl-substituted; X and Y are O or S, provided that where A is alkenylene, X and Y are S; and R is phenyl optionally substituted by halogen, C 1-4  alkyl, C 1-4  alkoxy, nitro, halobenzyloxy or trihalomethyl, or is naphthyl, C 1-4  alkyl, C 2-4  alkenyl or cycloalkyl, and their preparation when X and Y are both O by reacting a compound (A), where M is a mono- or di-valent metal or amine and x is 2, when M is monovalent or 1 when M is divalent, with a compound X<SP>1</SP>-A-X<SP>1</SP>, where X<SP>1</SP> is halogen; where X and Y are both O and A in a group (R<SP>1</SP>-R<SP>4</SP> being hydrogen or methyl), by catalytically hydrogenating a compound (B); where X is O or S and Y is S, by cyclizing a compound (C), where Z is O or S and R<SP>1</SP> is C 1-4  alkyl; where X is O or S and Y is S, by reacting a corresponding compound where X and Y are both O with a sulphur-introducing agent; and, when X and Y are both S, by reacting a compound (D) with CS 2 . Urazoles (B) may be made by methods similar to those used for preparing compounds (I). Herbicidal compositions comprise compounds (I) with suitable carriers or diluents therefor, in conventional solid and liquid forms.
Patent GB-784891-A (GB)
Title: Novel unsaturated ketones and a process for the manufacture thereof
IPC: C07C45/67
Filed: 1955-09-13
Abstract: The invention comprises ketones of the general formula <FORM:0784891/IV (a)/1> wherein R stands for a 6-alkyl-2,6-dimethyl-cyclohexen-(1)-yl- or 6-alkyl-2,6-dimethyl-cyclo hexen-(2)-yl radical wherein the alkyl radical contains from 2 to 4 carbon atoms.  The compounds of the above formula in which R stands for a 6 - alkyl - 2,6 - dimethyl - cyclohexen - (1)-yl radical are prepared by treating a ketone of the general formula <FORM:0784891/IV (a)/2> wherein R1 represents an alkyl radical having from 2 to 4 carbon atoms, with substantially water free sulphuric acid at below 0 DEG  C.  The compoudds of the above formula in which R stands for a 6-alkyl-2,6-dimethyl-cyclohexen-(2)-yl radical wherein the alkyl group contains from 2 to 4 carbon atoms are prepared by treating the starting material ketone of the above general formula with phosphonic acid at about 20-35 DEG  C.  In examples: 4-[61-ethyl-21,61dimethyl - cyclohexen - (11) - yl] - buten - (3)-one-(2) is obtained by adding 6,10-dimethyl-dodecatrien - (3,5,9) - one - (2) to a mixture of concentrated sulphuric acid and glacial acetic acid (1); 4-[61-ethyl-21,61-dimethyl -cyclohexen-(21) - yl] - buten - (3) - one - (2) is obtained by employing 85 per cent phosphoric acid in a similar process (2); 4 - [61 - isobutyl - 21,61 - dimethyl - cyclohexen - (2) - yl] - buten - (3)-one-(2) is obtained from 6,10,12-trimethyl-tridecatrien-(3,5,9)-one-(2) in a similar process (3); 4 - [61 - isobutyl - 21,61 - dimethyl - cyclohexen - (11) - yl] - buten - (3) - one - (2) is obtained by adding 6,10,12-trimethyldecatrien-(3,5,9)-one-(2) to a cooled mixture of sulphuric acid and glacial acetic acid. 6,10-Dimethyl-dodecatrien-(3,5,9)-one-(2) is obtained by converting 1-chloro-3-methyl pentene-(2) with hydrochloric acid to 1 - chloro - 3 - methyl - pentene - (2) which is reacted with ethyl acetoacetate and sodium methylate to form 3-carbethoxy-6-methyl-octen-(5)-one-(2) which is converted with alcoholic potassium hydroxide to the potassium salt of 3 - carboxy - 6 - methyl - octen - (5)-one-(2) which is acidified and fractionated to obtain 6 - methyl - octen - (5) - one - (2) which with lithium acetylide and acetylene yields 3,7-dimethyl-nonen-(6)-yn-(1)-ol-(3) which is hydrogenated in the presence of a lead/palladium/calcium carbonate catalyst to obtain 3,7-dimethyl-non-dien-(1,6)-ol-(3) which is treated with sodium dichromate and sulphuric acid to obtain 3,7-dimethyl-nonadien-(2,6)-ol-(1) which is treated with acetone and aluminium isopropylate and acid to obtain the desired ketone. Other starting material ketones may be similarly obtained, e.g. by using 3,5-dimethyl-hexen-(1)-ol-(3) instead of 3-methyl-penten-(1)-ol-(3).
Patent GB-1375761-A (GB)
IPC: H03K17/94
Filed: 1972-06-05
Abstract: 1375761 Superconductor devices SIEMENS AG 5 June 1972 26195/72 Addition to 1331979 Heading H1K In a superconductor current limiting switch according to the main patent in which the magnetic flux of a superconductor coil is forced to take an extended path by a superconductive magnetic screen so that at a predetermined current strength the magnetic flux passes through the screen and contracts to a shorter path and rapidly switches the whole coil to the normal state, the coil comprises a strip form superconductor which is embedded in a thermally insulating material of high dielectric strength which prevents direct contact with the coolant. This enables the superconductor to heat-up rapidly to enhance the switching action. As shown, Fig. 1, the coil comprises a Nb strip 1 bonded to a thick insulating strip 2 of polyethylene terephthalate and covered with a second thinner strip 3 of the same material, the two insulating strips being adhesively bonded or welded at their edges 4, wound helically round a support 5. The strip 3 contacts the liquid helium coolant 6 and is sufficiently thin that the Nb strip is re-cooled to its superconducting state within the desired recovery time of the system after a switching operation. If the support has coolant channels in its surface the encapsulated strip may be wound with the thin foil closer to the support. If the gaps between the edges of the turns of the superconductor strip 1 are so large that magnetic field components may pass through, a strip 7 of a magnetically conductive electrically insulating material, e.g. a ferrite or a ferrite-plastics composite may be disposed in the support 5 to guide the magnetic field. In a modification, Fig. 2 (not shown), the superconductor strip (21) is completely covered with varnish (22) and one face is secured to a plastics strip (23). In another modification, Fig. 3 (not shown), a plurality of parallel-connected strips (31, 32, 33), are enclosed between a single pair of insulating strips (34, 35), bonded at their edges (36).
Patent GB-1449748-A (GB)
Title: Process for keratinous materials
IPC: D06M101/10
Filed: 1974-06-13
Abstract: 1449748 Textile treating compositions IWS NOMINEE CO Ltd and CIBA-GEIGY AG 13 June 1974 [21 June 1973] 26306/74 Headings C3B and C3R [Also in Divisions D1-D2] A composition useful in rendering wool non- filling comprises organic solvent solutions or aqueous emulsions which contain: (I) polythiols (M.W. 400-20,000) which contain at least 2 thiol groups per molecule obtained from (a) polyalcohols, (b) alkylene oxides and/or dicarboxylic acids and (c<SP>1</SP>) carboxylic acids containing thio groups or from (C<SP>2</SP>) epihalohydrins and alkali hydrogen sulphides, the polythiols containing ether and/or ester bonds, or from (a<SP>1</SP>) polycarboxylic acids, (b<SP>1</SP>) alkylene oxides or dihydric alcohols and (c<SP>1</SP>) carboxylic acids containing thio groups; (II) nitrogen containing condensation products of epoxides, fatty amines and dicarboxylic acids the equivalent ratios of epoxide groups to amino hydrogen to carboxylic acid groups being 1 : (0À1-1) : (1-0À55) and optionally aliphatic diols and/or etherified aminoplast precondensates and/or epihalohydrins; and (III) optionally stabilizers against the harmful action of light. Typical I are those of formula m#1, n=1 or 2, p#2, p+q=3 to 7, each alkylene chain is C 2-6  between consecutive oxygen atoms, R is an aliphatic radical containing at least C 2 , X is a C 1-18  aliphatic radical containing at least one thiol group. This and other examples are disclosed in Specification 1,278,934 or for example from glycerol, adipic acid, butane-1,4-diol and thioglycollic acid in a 1 : 4 : 4 : 3 molar ratio. II may be prepared from a diglycidyl ether of bisphenol A, a C 20-22  fatty amine, sebacic acid, neopentyl glycol and epichlorohydrin, e.g. as disclosed and claimed in Specification 1,313,072. III may be a phenol containing at least one sterically hindered hydroxyl group.
Patent GB-744867-A (GB)
Title: Improvements relating to 2-substituted-mercapto-4-amino-6-disubstituted-aminopyrimidines and acid addition salts thereof
IPC: C07D239/46
Filed: 1953-09-24
Abstract: The invention comprises pyrimidine derivatives of the formula <FORM:0744867/IV(a)/1> where R1 is alkyl or mononuclear aralkyl and R2 and R3 are alkyl, mononuclear aryl or mononuclear aralkyl or with the N atom form a 6-membered ring.  These are made by heating the corresponding 6-halogen compounds with HNR2R3 to 80-140 DEG  C. (preferably 100-130 DEG  C.), if desired in an inert solvent.  The products form salts with strong acids such as hydrochloric, sulphuric and picric.  They can be used for making purine derivatives as in Specifications 744,866 and 744,869. Examples show the production of the following substituted pyrimidines: 2-methylthio-4-amino-6-dimethylamino, 2 - methylthio - 4 - amino - 6-diethylamino, 2 - methylthio - 4 - amino - 6-butylbenzylamino, 2 - methylthio - 4 - amino-6 - N - methylanilino, 2 - methylthio - 4 -amino-6-piperidino and 2-benzylthio-4-amino-6-piperidino.  It is stated that R1 may also be ethyl, propyl, butyl or substituted benzyl and that R2 and/or R3 may be propyl, substituted phenyl or substituted benzyl; NR2R3 may also be morpholino.  2 - (Substituted mercapto) - 4 - amino - 6-halo-pyrimidines are made from 2-mercapto-4 - amino - 6 - hydroxypyrimidine by alkylation or aralkylation of the mercapto group and replacement of the hydroxyl by halogen.  An example is given of the preparation of the 2-benzylmercapto compound.
Patent GB-749861-A (GB)
Title: Improvements in or relating to plain bearings
Inventor: LOVE PHIL PRINCE
IPC: F16C33/14
Filed: 1953-09-24
Abstract: 749,861. Bearing liners. GLACIER METAL CO., Ltd. Aug. 24, 1954 [Sept. 24, 1953], No. 26321/53. Class 12 (1). [Also in Group XXII] A bearing liner has end flanges 6 formed by pressing from a blank, and the ends 7 of the flanges extend short of the plane 2 of the joint faces 8 of the liner. The liner may be formed from a blank 9 having the corners 10 cut off so that the flanges 6 extend in their full width only round the centre part of the bearing liner, Fig. 5.
Patent GB-266408-A (GB)
Title: Improvements in vehicle undercarriages
IPC: B60P1/08
Filed: 1925-10-21
Abstract: 266,408. Chandler, J. H., and Lloyd, G. E. Oct. 21, 1925. Suspending and mounting bodies and undersarriages; adjusting height of body from ground. -Relates to vehicles comprising a platform supported by wheels through a lever member having one connection with the wheels and two with the platform, one, of these connections being adjustable to vary the height of the platform, and consists in an arrangement in which the lever, wheels and adjusting mechanism are readily attachable to or detachable from the platform so that the platform can be left on the ground unencumbered by wheels and other projections above it, the lever and wheels being used to transport other platforms. The lever member is permanently connected at one end to a wheel or wheels and is adapted to have its other end and an intermediate point brought, by motion on the wheel or wheels, alongside the platform and to press on it upwards at the end of the platform frame and downwards at that end of the levermember The lever and wheels at only one end of the platform may be detachable. The lever member 2, which may be mounted directly or by means of a turntable 3 on a two-wheeled axle,. is of Z-form in side elevation and carries a wheel 5 at each side adapted to be engaged in the channel member 1 of the platform when resting on the ground. A link 7<b>, adapted to be engaged' underneath the end 1<b> of the platform is connected to a lever 7a which is operated by a right- and left-hand threaded screw 7r, 7l carrying nuts 13r, 13l connected to the levers 7<a> and 2 respectively. When the platform is raised, the wheels 5 rest against stops 14, a cross-bar 2a on the lever 2 rests on the platform between guides 1<a>, and the screw may be relieved of weight by a locking-device. The adjustable connection may alternatively be provided at the inner end of the lever or between the outer end of the lever and the wheels.
Patent GB-394642-A (GB)
Title: Process for the production of coatings of ebonite and soft rubber
IPC: C08J5/02
Filed: 1931-09-21
Abstract: In the production of rubber coatings by brushing, spraying, dipping, &c., latex is employed from which some or all of the hydrophilic constituents have been removed for example, by creaming, centrifuging, filtering, or the like.  At least a third and preferably more than one half of the nitrogenous matter should be removed.  The chemical and electrical properties of the coating are improved by degrading the proteins, preferably by heating with alkali, while the coating is rendered more compact by incorporating in the latex polymerizing agents such as strong acids, as trichloracetic acid, or organic bases, as piperidine, or vulcanization accelerators with a disaggregating action such as "Vulcazit 576" or "Vulcazit C.T."  Adhesion to the surface is improved by roughening the surface, by applying an intermediate layer of oxidized rubber or the like, or by incorporating in the latex mix, substances facilitating adhesion such as ferric oxide or cupric oxide.  After drying, the layer is vulcanized to form a hard or soft rubber coating.
Patent GB-297123-A (GB)
Title: Process for the manufacture of sulphur dyestuffs
IPC: C09B49/10
Filed: 1928-09-14
Abstract: 297,123. I. G. Farbenindustrie Akt.- Ges. Sept. 15, 1927, [Convention date]. Addition to 285,382 and 286,005. Sulphuretted dyes are produced by subjecting the indophenols and leucoindophenols, prepared according to Specification 285,382 to polysulphide fusion. In examples : (1) the leuco indophenol from hexahydrocarbazole and p-aminophenol is heated with calcined sodium sulphide, sulphur and alcohol, and the alcohol finally removed by distillation. The dyestuff, which dyes cotton bluish violet shades is freed from sulphur by means of a solvent; (2) the leuco indophenol from octahydro-a-naphthaquinoline and p-aminophenol is refluxed with alcohol sodium sulphide in the presence of sulphur and copper sulphate; (3) the leuco indophenol from octahydroacridine and p-aminophenol, on treating as described in example (1) gives a, dyestuff which dyes cotton from a sodium sulphide bath, deep green shades.
Patent GB-1461688-A (GB)
Title: Pharmaceutical compositions comprising an enzyme and substrate
IPC: A61K31/685
Filed: 1974-06-14
Abstract: 1461688 Antithrombosis &c medicines LABORATOIRES BIOTHERAX 14 June 1974 [27 June 1973] 26510/74 Heading A5B Pharmaceutical compositions suitable for parenteral administration and useful in treating thrombosis, stress and/or visceral cellular insufficiency in mammals comprise creative phosphate and creative phosphokinase e.g. in a weight ratio 1:30 to 1:3000. The compositions may be in the form of a solution in a pharmaceutically acceptable solvent, e.g. for injection, or as a solid suitable for the extemporaneus preparation of such solutions.