baber/WOPTO huggingface dataset:
Patent GB-454882-A (GB)
Title: Improvements in the manufacture and production of vat dyestuffs
IPC: C09B5/24
Filed: 1935-06-11
Abstract: Pz.5.6-Dihalogen-1.2-pyrazinoanthraquinones are reacted with aromatic or heterocyclic primary or secondary amines.  Either one or both halogen atoms of the 1.2-pyrazinoanthraquinone are replaced according to conditions, or both may be replaced by different radicles, or the compound may be condensed with an ortho-diamine either to replace one halogen atom or to form a dihydroazine ring by replacement of both. In examples, Pz.5.6-dichlor-1.2-pyrazinoanthraquinone is condensed in nitrobenzene at elevated temperatures with one equivalent of p-phenylene diamine (red-violet), benzidine (brown - violet), 1 - aminoanthraquinone (orange), 2 - aminoanthraquinone (orange) (followed by boiling with excess anilinebluish - red shades), 1 - chlor - 2 - aminoanthraquinone (yellow), 1.4 - diaminoanthraquinone (violet), 1-amino-5-(or 4-benzoylaminoanthraquinone (red-orange and blue-red), 1-amino-4-methoxyanthraquinone (red), 1.2 - diaminoanthraquinone (red), 5-aminoanthrapyrimidine (yellow - red), 1.2 - diamino - 3 - bromoanthraquinone (brown), 1.2 - diamino - 4 - chloranthraquinone, 2.3 - diaminoanthraquinone, 1-amino-2-methoxyanthraquinone (blue-red), or with excess of aniline (red), m-toluidine, 1 - amino - 4 - benzoylaminoanthraquinone (red-violet), or 2-aminoanthraquinone (brown-orange).  Also, Pz.5.6-dichlor-1.2-pyrazino-4-nitroanthraquinone is condensed with excess of aniline (grey) or p-phenylene diamine (blue-violet) and 3(or 4-)chlor-Pz.5.6-dichlor-1.2-pyrazinoanthraquinone is condensed with one equivalent of 1.2-diaminoanthraquinone (blue and olive-grey), and the 3-chlor compound with 1.2 - diamino - 3 - bromoanthraquinone (red-brown).  Pz.5.6 - dibromo - 1.2 - pyrazinoanthraquinone may be used instead of the dichlor compound. The colours given above refer to the dyeings on cotton.  Pz.5.6 - Dihalogen-1.2-pyrazinoanthraquinones are made by reacting Pz.5.6-dihydroxy-1.2-pyrazinoanthraquinone with a phosphorus pentahalide; a 4-nitro derivative is obtained by nitration of Pz.5.6-dihydroxy-1.2-pyrazinoanthraquinone, followed by treatment with phosphorus pentachloride in nitrobenzene; 3-and 4-chlor derivatives by reacting 1.2-diamino-3-bromanthraquinone and 1.2-diamino-4-chloranthraquinone with oxalic acid and heating the product with phosphorus pentachloride. 1-2-Diamino-4-chloranthraquinone is obtained by nitrating 1-benzoylamino - 4 - chloranthraquinone, saponifying the benzoylamino group, and reducing the nitro group.
Patent GB-238856-A (GB)
Title: Improvements relating to electric hooters or alarms for motor and like vehicles
IPC: B60Q5/00
Filed: 1925-06-30
Abstract: 238,856. Soc. Anon. St.-Didier, (Assignees of Delacour, P.). Aug. 19, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Press-button switches. - A ring 1 mounted concentrically within a steering-wheel V is tilted by the driver to sound an alarm, without his leaving go of the wheel V, the button 10 being depressed by the push 9 carried in a plate 3 on the ring 2.
Patent GB-1274640-A (GB)
Title: Improvements in and relating to growing microorganisms
Inventor: DWORSCHACK ROBERT GEORGE
IPC: C12N9/92
Filed: 1970-04-09
Abstract: 1,274,640. Enzymatic conversion of glucose to fructose. STANDARD BRANDS Inc. 9 April, 1970, No. 16847/70. Heading C2C. [Also in Divisions C3 and C6] A glucose-containing syrup is treated with glucose isomerase at pH 6À5 and 70‹ C. for 72 hours to produce a syrup comprising 38% fructose and 43% glucose (based on solids present). The glucose isomerase is produced by fermentation of a microorganism of the genus Streptomyces. The culture development of the microorganism is carried out in stages in an aqueous nutrient medium under submerged aerobic conditions, there being present in at least one of the initial growth stages an aqueous dispersible non-nutritive material to induce growth of the microorganism in filamentous form, e.g. agar, carboxymethylcellulose, diatomaceous earth.
Patent GB-727884-A (GB)
Title: Improvements in and relating to the stitching of seams in fabrics
Inventor: LOMAX ROBERT
IPC: D05B81/00
Filed: 1950-07-06
Abstract: 727,884. Sewing. TOOTAL BROADHURST LEE CO., Ltd. Oct. 8, 1951 [July 6, 1950], No. 16858/50. Class 112. In a process for producing a non- distorted seam in a fabric, the loops are stitched through or around a removable or displaceable spacing element attached to a sewing machine and so positioned and constructed as to cause the loops to be formed with an initial excess of length equal to the contraction that occurs during laundering. The spacing element may take the form of a plate having a keyhole slot, the stitches being formed in the circular part and the finished stitches passing out through the straight part of the slot. As shown in Fig. 4 the. spacing element 17 having a keyhole slot 17a is pivotally mounted on an extension 19 of a presser foot and held by a spring 25 in the operative position as shown. The underside of the presser foot is recessed, and the co-operating feed-dog is without teeth over a corresponding area. In the modification shown in Fig. 9, the stitches are formed over the reduced end of a pin 42 reciprocated laterally of a presser foot by means of a linkage 45, 46, 47, 48, 50 from the thread take-up arm 10. In a further modification the pin is reciprocated from a rotary shaft of the machine. Specifications 727,881, 727,882, 727,888, 727,889 and 727,890, [all in Group IV (c)], are referred to.
Patent GB-1491654-A (GB)
Title: Azo-bis-mercapto compounds
IPC: C08F2/00
Filed: 1976-04-26
Abstract: 1491654 Azo - bis - mercapto compounds ROHM GmbH 26 April 1976 [26 April 1975] 16888/76 Heading C2C [Also in Division C3] Novel polymerization initiators are azo-bismercapto compounds of formula where R 1  is a bifunctional organic group and R 2  and R 3  are organic groups or R 2  and R 3  together with the intervening quaternary carbon atom form a ring. Thus R 1  may be a phenylene or C 1-4  alkylene group or a group of formula -CO-NH-R 4 -, -CO-O-R 4 -, -CO-NH-R 4 -O-CO-R 4  or wherein the terminal carbonyl group is bonded to the adjacent quaternary carbon atom in Formula I and R 4  is a bivalent hydrocarbon group. The radicals R 2  and R 3  may be an aromatic or C 1-8  alkyl group or together with the intervening carbon atom form a 5- or 6-membered ring. The compounds may be prepared (a) by chlorinating a dihydroxy compound of formula to form the corresponding dichloro compound, converting this dichloro compound into the corresponding di-xanthate compound and hydrolysing the di-xanthate to the required dimercaptan or (b) esterifying a compound of formula with a compound of formula where R 5  is an ethylene or propylene group.
Patent GB-274063-A (GB)
Title: Improvements in and relating to penny-in-the-slot devices
IPC: G07F17/00
Filed: 1927-06-25
Abstract: 274,063. Kalumenos, W. July 7, 1926, [Convention date]. Hiring hair-curling irons; coin action, mechanicalconnection. - A coin-freed mechanism is provided whereby a source of heat is rendered operative for a predetermined time for heating a hair-curling iron. 'The device is preferably used in connection with a coin-freed apparatus for selling toilet requisites, such as powder, soap, perfume &c. The curling-iron b is connected to wires d supplying electric current, the circuit of which is normally broken and is closed for a predetermined time, after prepayment, by an electric clockwork e such as is used for lighting staircases electrically or with photographic printing apparatus. A coin m inserted through a slot f transmits the thrust of a plunger h to a trip slide i for the clockwork. The plunger h is returned by a spring o to allow the coin to drop down a shoot g, and the trip slide i is returned to its initial position by the clock work. Delivery of articles stored in piles; coin action, weight.-The coin dropping down the shoot g trips a releasing device k so that an article is delivered from a column of toilet articles.
Patent GB-150144-A (GB)
Title: A combined machine for unwinding, opening out, combing and teasing rope hair, and for general teasing and treating hair, kapok, fibre, hemp, flock, wool, and the like
IPC: D01G9/00
Filed: 1919-07-07
Abstract: 150,144. Wilden, A. July 7, 1919. Oakum.-In a machine for unwinding and opening, combing, or teasing rope hair and for the general opening or teasing of hair, kapok, hemp, &c. the material is fed by rollers 9, Fig. 1, to a spiked drum 3 rotating in a casing 18. The rollers 9 are mounted adjustably in quadrants 7 and the bearings between the rollers are halved and have a washer placed between them. The treated material is forced by a blower 11 to the rear of the machine and passes out through a conduit 50. Dust &c. is withdrawn by a fan 15 through a perforated screen 16 kept clean by a rotary beater. A fan 13 may be employed to remove the dust through a screen 14, when the drum rotates upwardly. The blower may be arranged to force the material towards the exit in any desired direction. A comb 19 is arranged inside the casing to co-operate with the drum. Deflector plates 34, 34a, Fig. 9, are provided inside the casing to prevent the escape of dust &c. Branch pipes 51 may lead from the delivery conduit to pass the material to separate compartments from which dust may be drawn by a pipe 53 attached to either of the fans 13, 15. When treating ropes, they are fed along guide channels in a table 47 to untwisting- devices 36 removably mounted on brackets 35 on the frame 1. The ropes 46, Fig. 5, are passed through suitably sized interchangeable sockets 45 to rotary unwinding-heads 37 provided with jagged springs 38 to grip the ropes, which are kept taut by weights 47 with swivel gripping- devices 48 adapted to be released by the stop 49a when the end of the rope nears the unwinding device. When treating hair or fibre other than in rope form, the unwinding-heads are replaced by a table or belt. A countershaft 22 at the rear of the machine is driven through fast and loose pulleys 26 from the drum shaft. The upper and lower feed rollers are driven from this shaft by open and crossed belts one on each side of the frame. The blower 11 and fan 13 are driven from the main shaft. The unwinding- heads are operated from a countershaft 42, beneath them driven from the shaft 22. Each head has a separate drive which may be clutched to the shaft 42. A guard 37 prevents the ropes becoming entangled with this driving-gear. The countershaft for the unwinding-gear may be driven direct from the drum shaft and the feed rollers, unwinding heads, fans, and blower may be driven separately from power outside the machine.
Patent GB-848718-A (GB)
Title: An improved distributor for agricultural or horticultural use
Inventor: COWLEY NORMAN GEORGE
IPC: A01C15/02
Filed: 1958-05-29
Abstract: 848,718. Fertiliser distributers, seed sowers. COWLEY & SONS Ltd., T. May 14, 1959 [May 29, 1958], No. 17117 /58. Class 6(1). A distributer comprises a wheeled hopper 2 formed with a transversely curved bottom portion 5 provided with discharge openings 7 and a transversely curved plate or shutter 11 which extends along and cooperates with the apertured bottom portion of the hopper, the shutter being arranged to pivot to alter the effective size of the discharge apertures. As shown the shutter 11 is provided with portions 13 which pivot on the wheel axle 8 and an indicator 24 is provided on one of the portions 13. Holes 12 are formed in the shutter and the shutter is positioned and adjusted by means of a handle 14. Discs are mounted on the wheel axle inside the hopper to agitate the material in the hopper. The flow of material from the hopper may be stopped by means of a cover 19 which is operated by a handle 21 to cover up the holes in the hopper and shutter.
Patent GB-827407-A (GB)
Title: Improvements in or relating to free-piston compressors
IPC: F02B71/00
Filed: 1957-05-30
Abstract: 827,407. Gas turbine plant. ENDRES, J. May 30, 1957, No. 17169/57. Drawings to Specification. Class 110 (3). [Also in Group XXVII] A free-piston compressor suitable for stationary gas turbine plants or marine turbine plants comprises several double-acting opposed-motion free-piston engines with axially parallel cylinders arranged concentrically about a centrally disposed compressor cylinder (see also Group XXVII). The compressor is specially suitable for use as a high-pressure stage in a gas turbine plant in which the free-piston compressor is called upon to compress the air delivered by an initial turbo compressor stage to the operational pressure inside the combustion chamber.
Patent GB-1423389-A (GB)
Title: Light metering circu'it
IPC: G03B7/081
Filed: 1973-04-10
Abstract: 1423389 Light metering circuit ASAHI KOGAKU KOGYO KK 10 April 1973 [10 April 1972] 17169/73 Heading G1A [Also in  Division G2] The output current through a photo diode 1 is made dependent only on the light falling on the diode by maintaining the voltage Vd across the diode zero. This is achieved by connecting the diode 1 between the inversion 3e and non- inversion 3f inputs of an operational amplifier provided with a negative feedback loop between its output 3d and input 3e. The operational amplifier includes a differential amplifier 3a and transistor 3b. The photo-diode current flows through a log converter diode 2 and the circuit may be applied to an automatic exposure control camera, Figs. 2, 3 (not shown) [See Division G2]. F.E.T.'s are connected to the respective inputs of the differential amplifier to raise the input impedance.
Patent GB-1188106-A (GB)
Title: Cementitious Articles and method of producing the same
Inventor: SHIRLEY DONALD EMERSON
IPC: C04B28/06
Filed: 1966-04-19
Abstract: 1,188,106. Cement coating. ALKALITE Ltd. 30 March, 1967 [19 April, 1966], No. 17188/66. Headings B2E and B2K. [Also in Division C1] A cement article is formed by hardening at ambient temperature a mixture of water, high alumina cement and glass fibres. Glass fibre mats or rovings can be impregnated with the cement paste, compacted and covered with impervious sheeting and allowed to harden. Alternatively, cement paste is placed in a former lined with impervious sheeting and a mat placed in the paste and the paste compacted. This is repeated until the desired thickness is attained, after which an impervious sheet is applied until hardening occurs. A wall or vessel may be coated with the cement paste containing glass fibres to provide thermal or acoustic insulation.
Patent GB-584866-A (GB)
Title: Improvements in and relating to phosphatic fertilizers
IPC: C05B1/02
Filed: 1944-09-08
Abstract: Slow-acting phosphatic fertilizers are produced by treating a phosphatic material such as phosphate rock with a substance or a mixture of substances (other than sulphuric acid or ammonium sulphate above), such that a calcium hydrogen phosphate is formed, and subsequently heating the product between 250 DEG  and 600 DEG C. for a period of 1/2 to 1 hour.  Reacting agents specified are phosphoric and other phosphoruscontaining acids, hydrochloric and nitric acids with or without sodium or potassium salt, which may be employed in proportions ranging from that theoretically needed to give 80 per cent. conversion to CaHPO4 to that theoretically needed to give 100 per cent. conversion to Ca-(H2 PO4)2, plus an additional amount necessary to react with all impurities.  When phosphoric acid is employed, the amount used is between 1 and 4 mols. per mol. P2O5 in the phosphate rock.  The product has a relatively low fluorine content.  According to the Provisional Specification the heating may take place at temperatures in excess of 200 DEG C., and the reacting agents may comprise mixtures of ammonium, sodium, or potassium sulphates, either by themselves or with the specified acids.ALSO:Slow-acting phosphatic fertilizers are produced by treating a phosphatic material such as phosphate rock with a substance or a mixture of substances (other than sulphuric acid or ammonium sulphate used alone), such that a calcium hydrogen phosphate is formed, and subsequently heating the product to between 250 DEG and 600 DEG C. for a period of 1/2 to 1 hour.  Reacting agents specified are phosphoric and other phosphorous-containing acids, hydrochloric and nitric acids with or without potassium and sodium salts, which may be employed in proportions ranging from that theoretically needed to give 80 per cent. conversion to Ca HPO4 to that theoretically needed to give 100 per cent conversion to Ca (H2 PO4)2, plus an additional amount necessary to react with all impurities.  When phosphoric acid is employed, the amount used is between 1 and 4 moles per mole P2 O5 in phosphate rock.  The product has a relatively low fluorine content.  According to the Provisional Specification, the heating may take place at temperatures in excess of 200 DEG C., and the reacting agents may comprise mixtures of ammonium, sodium, or potassium sulphates, either by themselves or with the specified acids.
Patent GB-713234-A (GB)
Title: Improved method of producing moulds for "cire-perdue" precision casting
IPC: B22C9/04
Filed: 1952-07-08
Abstract: 713,234. Moulding processes; mould materials. REGIE NATIONALE DES USINES RENAULT. July 8, 1952 [Aug. 29, 1951], No., 17214/52. Class 83 (1) In a "lost wax" process of precision casting in which the pattern is coated with a mixture of sodium silicate and a refractory powder, the coating is waterproofed by treatment with an acqueous or an alcoholic solution of silicic acid. The silicic acid solution is applied as a second coating, with or without powdered refractory material, by dipping or spraying.
Patent GB-124229-A (GB)
Title: Improvements in and relating to Internal Combustion Engines.
Inventor: YEARSLEY RALPH ALGERNON
IPC: F01L5/06
Filed: 1917-11-22
Abstract: 124,229. Yearsley, R. A. Nov. 22, 1917. Two-stroke-cycle engines; driving-gear. - A piston 0 reciprocates in the interior of a piston L which compresses pump charges in the closed end of the cylinder and transfers them to the combustion space between the pistons through ports f, both pistons being connected to a common crank-shaft by pin-and-slot mechanism. Cylinders may be disposed on opposite sides of the crank-shaft. If preferred, the inner piston 0 may be fixed, the pump charges being compressed in the interior of the piston L. Alternatively, crank-case compression may be used.
Patent GB-595531-A (GB)
Title: Aluminium base alloys
IPC: C22C21/02
Filed: 1945-07-06
Abstract: An aluminium alloy contains 3.3-7.0 per cent silicon, 0.05-0.55 per cent of cobalt and/or chromium, 0.02-3.0 per cent magsium, 0.01-1.8 per cent iron the remainder being aluminium. The alloy may also contain up to 0.25 per cent manganese, up to 3.0 per cent zinc, up to 0.75 per cent in total of one or more of titanium, niobium, cerium and boron, up to 0.45 per cent individually and not more than 0.75 per cent in total of one or more of antimony, calcium, copper, lead, molybdenum, tungsten, tantalum, thallium, thorium, tin, nickel, bismuth, cadmium, beryllium, yttrium, silver, lithium, vanadium and tellurium, and up to 0.15 per cent of one or more of sodium, potassium, barium and phosphorus.  The alloy may be used in the sand cast, die cast or worked condition with or without an ageing treatment.  This ageing treatment may be preceded by or replaced by solution treatment at 480-560 DEG  C. followed by quenching in water or other medium.
Patent GB-656092-A (GB)
Title: Improved let-off motion for looms
IPC: D03D49/06
Filed: 1948-06-28
Abstract: 656,092. Let-off motion for looms. RICHMOND, H. June 28, 1948, No. 17278. [Class 142(ii)] A let-off motion comprises a casing containing two compression springs and a system of levers and bars so arranged that each spring is connected to a chain around one of the beam ruffles. The casing A, fixed to the centre of the back rail of the loom, contains two compression springs threaded on bars B. Members C, screwed on to the bars B, retain the springs on the bars. A bar D, having a nut F and a threaded portion giving adjustment, connects one bar B to one end of a lever E. The other end of the lever E is connected to a chain around a ruffle by a hook G having a handwheel G, which provides adjustment. A cam H is positioned in the casing A between the members C and can be rotated by depression of a table K. When the cam is rotated the members C are moved apart and the tension on the chains round the ruffles is removed. A stand M comes in contact with the ground when the table K is depressed.
Patent GB-1518755-A (GB)
Title: Coating compositions
IPC: C08F251/02
Filed: 1976-04-28
Abstract: 1518755 Radiation-curable compositions EASTMAN KODAK CO 28 April 1976 [28 April 1975] 17312/76 Heading C3V A radiation-curable composition comprises an ethylenically unsaturated cellulose ester, wherein the average degree of unsaturation per anhydroglucose unit is from 0À1 to 3À0, and at least one alpha, beta-unsaturated carboxylate monomer, the ratio of cellulose ester to unsaturated monomer in parts by weight being from 1 : 20 to 20 : 1. Examples are given in which a photo-initiator is incorporated in the composition, which is then applied to a glass substrate and cured by exposure to UV light. The cellulose esters and monomers used are : (a) cellulose propionate crotonate and 2- hydroxyethyl acrylate, 2-methoxyethyl (meth)- acrylate, acrylonitrile, neopentyl glycol acylate, or diacetone acrylamide, or a mixture of 2- hydroxyethyl acrylate with trimethylolpropane triacrylate, tribromoneopentyl acrylate, n-butyl acrylate, 2,2<1> - terephthaloylethylene diacrylate, acrylonitrile, methyl acrylate or styrene, or a mixture of 2-methoxyethyl acrylate, acrylonitrile and neopentylglycol diacrylate; and (b) cellulose butyrate acrylate and 2- hydroxyethyl acrylate, acrylonitrile, 2-methoxyethyl acrylate, hydroxyethyl acrylate, or a mixture of 2-methoxyethyl acrylate and 2- hydroxyethyl acrylate, or a mixture of 2- methoxyethyl acrylate, acrylonitrile and neopentylglycol diacrylate. The compositions may also be applied to wood, plastics or metals.
Patent GB-1431374-A (GB)
Title: Milling cutters
IPC: B23C5/08
Filed: 1972-04-14
Abstract: 1431374 Milling cutter WICKMAN WIMET Ltd 3 April 1973 [14 April 1972] 17381/72 Heading B3K A milling cutter comprises a body 10 having a plurality of spaced peripheral slots 11, in which are located shoes 12 for cutting inserts 14, and clamping members 16 for the inserts having surfaces 17, 18, for engaging a shoe and an adjacent insert respectively. Members 16 are located on the end face 13 of body 10, and have screws 19 which are tightened against the shoes 12. Each of the latter is secured in the body by two screws 12a. The cutting inserts may be of hexagonal, circular, or frusto-conical form.
Patent GB-1369718-A (GB)
Title: Picolinic acid derivatives and a process for preparing the same
IPC: C07D213/79
Filed: 1972-04-14
Abstract: 1369718 Picolinic acid derivatives BANYU PHARMACEUTICAL CO Ltd and H HIDAKA 14 April 1972 [16 April 1971 29 Nov 1971] 17424/72 Heading C2C Novel compounds of the Formula I wherein Y is -NR<SP>1</SP>R<SP>2</SP>, R 1  is C 1-4  alkyl, R 2  is hydrogen or C 1-4  alkyl or R 1  and R 2  together with the nitrogen atom attached form a saturated 5- or 6-membered heterocyclic ring containing at least one nitrogen atom, the ring being bonded to the remainder of the picolinic acid derivative at the said nitrogen atom or at one of said nitrogen atoms, are prepared by reaction of a (halogeno-methyl) picolinic acid or an ester thereof with a required dithiocarbamic acid of the formula Y-CS-SH, followed where necessary by hydrolysis of the corresponding ester intermediate. 5-Chloromethyl picolinic acid ethyl ester may be prepared by chlorination of 5-hydroxymethyl picolinic acid ethyl ester with SOCl 2 . Pharmaceutical compositions of the compounds I show circulatory, nervous system and antiallergic activity and are especially useful for hypertension, Parkinsonism, alcoholism, schizophrenia and manic depressive disease.