baber/WOPTO huggingface dataset:
Patent GB-931118-A (GB)
Title: New water-soluble mono-azo dyestuffs containing isothiouronium salt groups
Inventor: BARKER PETER WILLIAM
IPC: C09B69/06
Filed: 1960-03-10
Abstract: 5-[b - (N-ethyl- N-phenylamino) ethyl]-isothiouronium chloride is prepared by boiling a mixture of thiourea and N-ethyl-N-b -chloroethyl-aniline and ethanol, cooling and filtering the crystals formed.  5-[b - (N-b 1-cyanoethyl- N-3-methylphenylamino)ethyl] isothiouronium chloride is similarly prepared using N-b -chloroethyl-N-b -eyanoethyl-m-toluidine.  Specification 650,850 is referred to.ALSO:The invention comprises water-soluble monoazo dyes free from sulphonic and carboxylic acid groups which contain at least one isothiouronium salt group connected to an aromatic nucleus through the nitrogen atom of a linking group of the formula -N(R)-X- wherein R is a hydrogen atom or a hydrocarbon or substituted hydrocarbon radical and X is a substituted or unsubstituted alkylene radical of from 2 to 4 carbon atoms.  The isothiouronium salt groups are those which in one of their resonating forms are of formula <FORM:0931118/IV(a)/1> wherein R1, R2, R3 and R4 are hydrogen atoms or hydrocarbon or substituted hydrocarbon radicals or R1 and R3 may together form an ethylene radical and Y is an anion.  The dyes may be prepared by normal diazotization and coupling procedures using suitable components or by treating a monoazo dye free from sulphonic or carboxylic acid groups but containing attached to an aromatic ring a group of formula -N(R)-X-Ha with a thiourea of formula <FORM:0931118/IV(a)/2> The dyes are used to colour textile materials comprising polymers and copolymers of acrylonitrile and dicyanoethylene.  In examples: (1) the monoazo dye p-nitroaniline --> 5-[b -(N-ethyl-N-phenylamino) ethyl] isothiouronium chloride is prepared; (2) the dye N-ethyl-N-chloroacetyl-p-phenylene-diamine --> 5-[b -(N(b 1-cyanoethyl-N-3-methylphenylamino) ethyl] isothiouronium chloride is heated with a mixture of tetramethyl-thiourea and water, the water is distilled off in vacuo and the residue digested with ether and dried to give a water soluble dyestuff.  Further examples and starting materials are specified.  Specification 650,850 is referred to.
Patent GB-925886-A (GB)
Title: Process for dehydrating potatoes
IPC: A23L19/15
Filed: 1961-03-08
Abstract: Raw potatoes after cleaning, peeling and preferably cutting into pieces are soaked in water until their weight increases from about 7 to 25%, cooked, preferably as described in Specification 925,887, mashed and dehydrated.  Before mashing, the potatoes may be resoaked to replace absorbed water lost in cooking.  The water used for soaking or cooking may contain a small proportion of sodium sulphite or bisulphite.  Following cooking or resoaking, the potatoes are conditioned directly or after light mashing and then mashed, preferably by pressing through a coarse screen, during or after which additions of sodium sulphite or bisulphite, antioxidants, edible dispersing agents, and such food ingredients as salt, milk solids &c., may be added.  The mashed potatoes are partially dried to about 60% moisture content preferably by subjecting a thin layer of the mash to a current of warm air at 80-150 DEG  F. while fluffing.  The partially dried mash is granulated and dried, preferably as described in Specification 925,888, through the critical moisture range, and then fully dehydrated to about 6% moisture content, preferably while applying repeated mild compression and mild shear forces.
Patent GB-168084-A (GB)
Title: Improved apparatus for grinding, abrading or polishing metal and other surfaces
IPC: B24B47/04
Filed: 1920-03-23
Abstract: 168,084. Hunt, H. J. March 23, 1920. Work-holders. - An apparatus for grinding or polishing sheet material comprises a grinding - element (not shown) and beneath it a preferably inclined work-table a, Fig. 1, which is mounted on a support q pivoted at r and adjustable by means of a prop s. A work-supporting plate b is mounted upon ridges on the table a, which is pivoted at one end to a support q and carried thereon at the other end by tapered rollers h, so as to oscillate in the plane of the table. The table may be telescopic or expanding to suit various widths of material. The slide a is oscillated by a rotating disc e having a radially adjustable crank-pin engaging a block c in a slide d upon the underside of the table a. As the table a oscillates, a bevel-wheel i surrounding the pivot of the table a and fixed to the support q rotates bevel-wheels k connected by ratchets to a universally-jointed shaft l which rotates worm-gear m and a pinion n<1> engaging a rack on the underside of the plate b, which is thus fed forwards When it is desired to remove a sheet before finishing it, the plate b may be moved by a hand-wheel p fixed to the end of the shaft l. The bevel-wheel i may be angularly adjustable so as to equalize the wear caused by the wheels k. To vary the rate of movement of the plate b, the bevel-wheel i may be allowed a variable amount of slip by causing it to mesh with a bevel-wheel 1, Fig. 3, the spindle of which has an arm z<1> free to oscillate between a fixed stop and a movable one which is positioned by a lever z. Alternatively, changespeed gear may be introduced between the feed wheel and the mechanism driving it. The support q is adjusted by a link s connected to a crosshead s<1> adapted to slide on guides t, Fig. 4, against the action of springs t<1>. The compression of the springs is adjusted by a band-wheel v<1>, which carries a screw u engaging a cross-head v. A hand-wheel actuating the worm-gear w<1> and screwed shaft w<2> gives a fine adjustment of the table. Rapid withdrawal of the work is effected by a hand-lever w<3>. The grinding-element may be mounted on a hollow flanged bush screwed so that a similar bush may be threaded thereon and clamp the disc. The bush is a sliding fit on a spindle, to which it is secured by a nut on a reduced part of the spindle.
Patent GB-1491752-A (GB)
Title: Apparatus for measuring the temperature of an operating spark plug
IPC: H01T13/58
Filed: 1975-02-28
Abstract: 1491752 Sparking plugs CHAMPION SPARK PLUG CO 28 Feb 1975 [24 June 1974] 8580/75 Heading F1B [Also in Division G1] Apparatus for measuring the temperature of a spark-plug insulator firing tip 17 while the plug is operative in an I.C. engine includes a thermocouple 12, embedded in a surface of the insulator firing tip, and providing a D.C. signal to an ignition voltage isolation current 11 including a voltage controlled oscillator 24 generating a first signal of frequency determined by the thermocouple temperature, the first signal actuating an LED 25 to provide light pulses at said frequency to a phototransistor 27 over an optical fibre or bundle of optical fibres, the signal from the photo-transistor passing to an apparatus 30 for selectively monitoring the temperature of a plurality of spark-plugs. The output from the selected isolation circuit 11 is amplified and passed to a phase locked loop 33, which includes a capacitor 52 on which the charge remains substantially constant while the amplified input signal from the isolation circuit 11 is temporarily blanked during the application of a high voltage ignition pulse to a spark-plug so that the voltage applied to a voltage-frequency converter 53 and therefore the output temperature indication, is rendered independent of such blanking intervals.
Patent GB-949422-A (GB)
Title: Copolymerisation of ethylene or alpha-olefines with fluorinated unsaturated monomers
Inventor: RAGAZZINI MARIO
IPC: C08F210/00
Filed: 1962-03-06
Abstract: Halogenated olefinic hydrocarbons containing at least one atom of fluorine are copolymerized with ethylene or alpha-olefines using a catalyst selected from boron-alkyls, boron hydrides, alkyl boron hydrides and complexes of these compounds with substances having electron-donor characteristics and containing elements of the 5th and 6th Group of the Mendel<\>aeeff Periodic table. Preferably the catalyst is activated with oxygen or an oxygen-yielding substance e.g. a peroxide and the preferred catalysts are complexes formed by boron alkyls with pyridine, ammonia, amines, ethers, thioethers, ketones, furane and derivatives, pyrane and derivatives, phosphines, arsines, istibines and bismuthines.  The copolymerization may be carried out at a temperature between +100 DEG C. and -150 DEG C. in a solvent which is heptane or other inert hydrocarbon, or a substance having polar or electron-donating characteristics such as water, ethers, ketones, alcohols, esters and saturated or unsaturated halogenated hydrocarbons.  In the examples monochlorotrifluoroethylene is copolymerized with (a) ethylene and (b) propylene, and vinyl fluoride is copolymerized with ethylene.
Patent GB-797080-A (GB)
Title: Improvements in or relating to connecting rods for internal combustion engines
IPC: F16C7/04
Filed: 1955-03-24
Abstract: 797,080. Connecting-rods. CROSSLEY, B. W. March 26, 1956 [March 24, 1955], No. 8648/55. Class 122 (1). [Also in Group XXVII] A yieldable connecting-rod for internalcombustion engines comprises a big end section 10 and a small end section 11 telescoped together and urged apart by resilient means, such as Bellville washers 20, to an extent limited by adjustable stop means, such as a bolt 19. The washers 20 are arranged in stacks, adjacent stacks being oppositely directed in a tubular portion 14 of the big end section and are held in compression by the bolt 19 which extends through the washers and screws into a cylindrical portion 15 of the small end section carrying a steel ball 17 engaging a groove 18 in the portion 14 for alignment purposes. The connecting rod is adapted to yield during detonation and is preferably preloaded to the amount imposed thereon by the normal compression pressure of the engine and fine adjustment is facilitated by distance-pieces 24 and shims 25. The head 22 of the bolt 19 is housed in a hexagonal cavity 21 in the big end and locked therein by a keeper 23 of internal and external hexagonal shape machined at its outer end to the contour of the surface 13 so that it is held in position by the big end bearing. Alternatively, the keeper 23 may be provided internally with twelve equally-spaced V-grooves to engage the bolt head or be internally of hexagonal shape and externally provided with twelve flats fitting into a twelve-sided cavity.
Patent GB-978752-A (GB)
Title: Process for the polymerisation of vinyl compounds
IPC: C08F2/22
Filed: 1961-03-09
Abstract: A graft polymer of an ethylenically unsaturated monomer on to a polyalkylene glycol trunk polymer is used as the suspending agent in the suspension polymerization of one or more vinyl compounds alone or with other copolymerizable monomers using a free radical catalyst. The polyalkylene glycol may be polyethylene glycol, ethylene glycol/propylene glycol copolymer or polyglycols whose terminal hydroxyl groups have been esterified or etherified, and the graft chains are from vinyl acetate, propionate, butyrate, octoate or acrylic or methacrylic esters. The examples show the polymerization of vinyl chloride using lauroyl peroxide as a catalyst. The resulting polyvinyl chloride was porous in nature and absorbed plasticizer. Specification 922,457 is referred to.
Patent GB-971701-A (GB)
Title: Method of making paper can body telescopic sections
Inventor: GEIST WILLIAM LESTER
IPC: B31C3/00
Filed: 1961-03-09
Abstract: 971,701. Paper tubes. R.C. CAN CO. March 9, 1961, No. 8684/61. Heading F2P. [Also in Divisions B5 and B8] A method of manufacturing a paper carton body with a telescoping section and an imperforate liner 45 from a three - layer paper tube, formed by spirally winding a plurality of plies of paper strip on to a rotating mandrel and applying adhesive between those of the plies which form each layer but not between layers, comprises making an internal cut at one end of the tube to remove the inner two layers and an external cut at the other end to remove the outer layer so as to form a stepped tube as in Fig. 4; making an external cut 40 through the outer two layers; and finally telescoping the layers to align their ends as in Fig. 5. Metal end caps are spun on to the body, after insertion of the contents, to form a sealed carton. To open the carton the two ends are twisted to tear the imperforate layer 45, whereupon the two parts of the carton can be telescopically separated.
Patent GB-1431073-A (GB)
IPC: C03C11/00
Filed: 1973-07-06
Abstract: 1431073 Foamed glass UNIVERSITY OF CALIFORNIA REGENTS OF 6 July 1973 [5 July 1972 (2)] 8699/75 Divided out of 1431072 Heading C1M A method of making a foamed glass product comprises:- mixing particulate used-container glass together with a glass foaming agent, said used-container glass having the following concentrations of foreign inclusions contained therein:  Said used-container glass having an average reflectance of 5-95%; subjecting the resulting mix to temperature conditions sufficient to sinter and soften said glass and activate said foaming agent thereby to foam said softened glass but insufficient to melt said glass; maintaining said mix under said conditions until said glass has been converted into a coherent foamed mass; and thereupon cooling said mass to below the solidification point thereof and recovering the foamed glass product. The glass foaming agent may be lithium carbonate, potassium carbonate, dolomite, strontium carbonate, barium carbonate but preferably is heat treated excreta which may be derived from sewage plant cake, livestock excreta and poultry excreta. Heat treatment is suitably carried out at 200-1000 C. Typical heat treated excreta derived from cow dung contains 31 wt. per cent carbon, 10 wt. per cent silicon, 3 wt. per cent aluminium and 2 wt. per cent hydrogen. The foaming agent may be used in a concentration of 0À5-10% by weight of said mix and the usedcontainer glass may be multi-coloured. The mix may be subjected to a temperature of 500- 1000 C. at about atmospheric pressure. The extent of foaming may be controlled to produce products having densities of 0À1-2À0 gm./cc. Conventional fillers which do not impair foaming and pigments may also be present in the mix. The foaming agent preferably has a particle size of about 100 mesh (U.S. sieve). The products are used for structural and decorative materials.
Patent GB-609692-A (GB)
Title: Improvements in or relating to the production of polystyrene
IPC: C08F2/00
Filed: 1946-03-20
Abstract: A viscous liquid mixture of a monomer or monomers and a polymer or copolymer of styrene and/or nuclear substituted styrene containing at least 40 per cent by weight of polymer or copolymer is introduced, in uniform discrete portions, into a heated inert liquid medium with which the monomeric part is not miscible and in which the polymer or copolymer is not soluble, the said portions being maintained in suspension in said heated medium till polymerization is substantially complete.  Nuclear substituted styrenes specified are p-methyl, o-methyl, p-chloro and o-chloro styrenes and dimethyl and dichlorostyrenes.  Other ethenoid compounds such as acrylic and methacrylic acid derivatives such as methyl methacrylate and ethylene glycol di-methacrylate, methyl vinyl ketone, divinyl benzene and vinyl crotonate may be present with the styrene compound monomers. Plasticizers, and/or filler and/or dyestuff which are insoluble in the heated inert medium may be mixed with the monomer.  Heat and/or light and/or catalysts such as benzoyl and m-toluyl peroxides may be used.  The viscous liquid may be obtained by mixing polymeric and monomeric materials or by partial polymerisation.  The complete process may be made continuous.  Inert liquids specified are water, glycol, glycerol or mixtures of these.  Gentle agitation, co- or counter-current flow of the heated inert liquid may be used and the specific gravity may be adjusted by adding thickeners to cause the discrete portions to rise or fall at a predetermined rate in a column of the inert liquid; thus, calcium chloride, sodium silicate, sorbitol, sugar, starch, alginates, methyl cellulose carboxylate, methyl cellulose, cellulose hydroxy ethyl ether, polyvinyl alcohol, polyethylene oxide or polyvinyl methyl ether may be used.  By using a conical tower to hold the inert liquid the rate of flow of the liquid may be varied to allow for the changing gravity of the discrete beads.  Cutting devices for obtaining the discrete beads of the viscous liquid are described.
Patent GB-701144-A (GB)
Title: Improvements in nozzle assemblies for filling machines
IPC: B65B39/00
Filed: 1952-04-07
Abstract: 701,144. Reciprocating pumps. ARMOUR & CO. April 7, 1952 [April 7, 1951], No. 8881/52. Class 102 (1). [Also in Group XXIX] A nozzle for a machine for filling containers comprises a casing 10 into the outlet of which is screwed a plug 14 having a number of small diameter passages 18. A piston 19, fitted with a sealing ring 20, is guided in the casing and has a resilient disc 16 which engages the plug 14 to form a valve. The piston is loaded by a strong spring 26 and has a short stroke determined by the collar 30 to obtain a sharp dripless cut-off. Fig. 1 shows the nozzle associated with a measuring pump comprising a cylinder 100 attached to a vat 105 and having a sealing ring 116 which enters a flared mouth 119 of the cylinder to trap the same quantity of liquid in the cylinder at each stroke. The lower end of the piston has grooves 112 and passages 113, 114 and notches 121 to permit flow of liquid to the cylinder. The cylinder head 106 is clamped by a plate 107 and bolts 108.
Patent GB-1285263-A (GB)
Title: IMPROVEMENTS IN OR RELATING TO 6alpha,6beta-DIFLUORO STEROIDS
IPC: C07J5/00
Filed: 1970-02-24
Abstract: 1285263 6,6-Difluoro-steroids SYNTEX CORP 24 Feb 1970 [3 March 1969] 8907/70 Heading C2U Novel steroids of the formulµ where R<SP>1</SP> is H, F or Cl; R<SP>2</SP> is H, OH or Oacyl; R<SP>3</SP> is H, OH, CH 3  or =CH 2 ; or R<SP>2</SP>+R<SP>3</SP> is α,α-methylenedioxy optionally substituted by 1 or 2 of lower alkyl optionally halogenated, monocyclic cycloalkyl, monocyclic cycloalkyllower alkyl, monocyclic aryl, monocyclic aryllower alkyl, monocyclic heterocyclic or monocyclic heterocyclic lower alkyl, or is α,α-monocyclic cycloalkylidenedioxy or heterocyclic ylidenedioxy; R<SP>6</SP> is O or α-H(#-R<SP>7</SP>) in which R<SP>7</SP> is OH, Oacyl, tetrahydrofuran-2<SP>1</SP>-yloxy or tetrahydropyran-2'-yloxy; R<SP>21</SP> is H, OH or Oacyl; R<SP>3</SP>' is CH 3  or = CH 2 ; R<SP>8</SP> is H or CH 3 , but is CH 3  when #<SP>1</SP> is present; and Z<SP>1</SP> is a single or double bond, are prepared by treatment of appropriate 3-alkoxy-6-fuoro-#<SP>3,5</SP>-steroids with perchloryl fluoride to give the required 3-keto- 6,6 - difluoro - #<SP>4</SP> - steroids followed, when required, by #<SP>1</SP>-dehydrogenation with or without subsequent 1,2-methyleneation with dimethyl sulphoxonium methylide and/or reduction to a 3#-ol with or without subsequent esterification. "Lower" refers to groups of 1-6 carbon atoms. The above processes of forming 6,6 - difluoro - 3 - keto - #<SP>4</SP> - steroids and subsequently dehydrogenating them to give 6,6- difluoro - 3 - keto - #<SP>1</SP>'<SP>4</SP> - steroids can also be performed on other starting materials to give products which, on 1,2-methylenation, give novel steroids of the above general formulµ. 3 - Alkoxy - 6 - fluoro - #<SP>3</SP>'<SP>5</SP> - steroids are prepared by enol etherification of corresponding 6(α or #)-fluoro-#<SP>4</SP>-3-keto-steroids. Specification 1,248,938 is referred to. The steroids of the invention are stated to be progestational agents, and they may be made up into pharmaceutical compositions with suitable carriers.
Patent GB-474230-A (GB)
Title: Improvements relating to adsorbent filters
IPC: B01D53/26
Filed: 1936-03-25
Abstract: <PICT:0474230/III/1> Gases and vapours are recovered from air and other gases by passage through an adsorbent filter in which during the flushing operation with steam or other inert gas the adsorbed gases are condensed on the peripheral wall of the filter, which is maintained cold, e.g. by means of a cooling jacket.  In the form shown, the container c for the adsorbent, e.g. active carbon is a cylindrical annulus having perforated walls, the gases to be treated passing through the mass from inlet i and leaving by pipe f<1>.  For flushing purposes, steam is passed in the reverse direction from perforated pipe g<1>.  A perforated baffle h<1> is provided to prevent water from being blown into the adsorbent mass.  The gases removed by the steam are condensed on the outer wall of the casing a, which is maintained cold by the jacket a<1>, and trickle down the annulus e to a sump b<3> from which they pass to a separating tank k. If desired, a conical hood may be provided above the container c whereby water condensed on the underside of the upper part of the casing a is directed into the annulus e.
Patent GB-831403-A (GB)
Title: Apparatus for retarding a rolled-up rotating roll in paper and cardboard making machines and the like
IPC: B65H23/06
Filed: 1958-03-20
Abstract: 831,403. Winding webs. DORRIES A. G., O. March 20, 1958 [Nov. 2, 1957], No. 8952/58. Class 100(1) A completely wound rotating web roll 1 is brought to rest by moving the roll from a winding position W to a receiving position A in which the ends of a roll spindle 2 engage braking surfaces 4. The braking surfaces may be arcuate surfaces on a pair of brake members 3 each pivotally mounted on a stand 6. When the roll has been brought to rest it is lifted from the members 3, the members 3 swinging upwardly to permit vertical movement of the roll spindle 2. The braking surfaces 4 may be prismatic or wedge-shaped instead of arcuate. When the members 3 are in lowered position they are supported by adjustable resilient pads 7. In a modification, Fig. 5, not shown, the members have substantially horizontal extensions 5 of braking surfaces 4 which engage the roll spindle before the roll has reached the receiving position A.
Patent GB-1156387-A (GB)
Title: Milk Coagulating Enzyme and method of preparation thereof
IPC: C12N9/54
Filed: 1967-02-24
Abstract: 1,156,387. Milk-coagulating enzyme. GODO SHUSEI K.K. 24 Feb., 1967 [26 Feb., 1966], No.8959/67. Heading C3H. A method of preparing a milk coagulating enzyme comprises cultivating a strain of bacterium selected from Bacillus polymyxa, Bacillus cereus var. mycoides, their varieties and mutants in a nutrient medium containing assimilable carbon and nitrogen sources and inorganic salts and recovering the enzyme from the cultured broth. The bacterium may be cultured aerobically at 25 to 37 C. and pH 5 to 8; impurities may be precipitated by adjusting the pH to about 7 and adding a calcium salt, the enzyme being recovered from the filtrate by precipitation with ethanol, isopropanol or acetone.
Patent GB-175207-A (GB)
Title: Improvements in or relating to cupola furnaces
IPC: F27B1/16
Filed: 1921-05-18
Abstract: 175,207. Taylor, C. E. May 18, 1921. Cupola furnaces.-The blast for a cupola furnace is supplied through tangentially-arranged tuyere openings e from an air belt f formed by a channel-shaped casing mounted eccentrically on the furnace so as to provide a passage of gradually decreasing cross-sectional area.
Patent GB-1093292-A (GB)
Title: Improvements in or relating to equipment for greenhouses
IPC: A01G9/14
Filed: 1966-03-02
Abstract: 1,093,292. Greenhouse equipment. U. ENGLERT. March 2, 1966 [March 2, 1965], No. 9086/66. Heading A1E. Greenhouse equipment comprises a pair of wheels 4 coaxially mounted on a shaft 3 and plant carriers 8 pivotally supported between the wheels so that as the shaft rotates the carriers move in a circular path. The carriers are supported on rods 6 joining the spokes 5 of the wheels. A number of pairs of wheels may be located side by side in a greenhouse a passageway being provided between adjacent pairs of wheels and having a roller track to facilitate transport of the carriers 8 to the equipment. The greenhouse may include fixed lamps, water spraying devices and devices for spraying insecticide.