baber/WOPTO huggingface dataset:
Patent GB-1141818-A (GB)
Title: Improvements in or relating to 11-dehydro-steroids
Inventor: ELKS JOSEPH
IPC: C07J75/00
Filed: 1967-02-08
Abstract: 1,141,818. 11-Dehydro-steroids. GLAXO LABORATORIES Ltd. 19 Jan., 1968 [8 Feb., 1967], No. 42222/66. Heading C2U. 1l-Dehydro-12-unsubstituted sterioids are prepared by reacting sulphonyl hydrazones of 12-keto-steroids with a strong base in a non- hydroxylic organic solvent. Suitable sulphonyl hydrazones are derived from sulphonyl hydrazines RSO 2 NH.NH 2  where R is a C 1-10  hydrocarbon radical. Suitable solvents are N,N-dimethylformamide, N-methylpyrrolidone, acetamide, N,N-dimethylacetamide and diethyleneglycol diethyl ether, and bases which may be used include alkali metal alkoxides, hydrides, acetamides, amides and hydrocarbon derivatives. Examples describe the conversion of hecogenin acetate 12-p-toluenesulphonylhydrazone and methanesulphonyl hydrazone to 5x, 25D-spirost-11-en-3#-ol, and the use of sulphonyl hydrazones of botogenin, and 3#-hydroxy- 5α - pregn - 16 - ene - 12,20 - dione and 3#- hydroxy - 5α - pregnane - 12,20 - dione and their 3#-acetates and 5#-isomers is also referred to. Hecogenin acetate 12-methanesulphonylhydrazone is prepared from the 12-one and methanesulphonylhydrazine.
Patent GB-878032-A (GB)
Title: Improvements in or relating to brazing compositions for metals and ceramics, and articles produced using such compositions
Inventor: AMES ROBERT GEORGE
IPC: B23K35/30
Filed: 1959-12-11
Abstract: A copper-silver-titanium-indium-nickel brazing alloy for joining together metal or ceramic bodies consists of the following composition by weight:-  Cu 30 to 60%, Ag 5 to 35%, Ti 15.5 to 30%, In 5 to 25%, and Ni 1.5 to 12%, with replacement, partly or wholly, of Ti by Zr or Hf, of Cu or Ag by Au, and of In by Bi, Sn, Pb or Sb. The brazing of one body to another, such as metal to metal (e.g. stainless steel or Ni-Cr-Fe alloy) or ceramic (e.g. alumina, forsterite, zircon, electrical porcelain) is described in Group XXII.
Patent GB-1495945-A (GB)
Title: Process for the preparation of diolefins from olefins
IPC: C07C5/48
Filed: 1974-10-02
Abstract: 1495945 Dehydrogenating olefins STANDARD OIL CO 2 Oct 1974 [12 Oct 1973] 42727/74 Heading C5E [Also in Division B1] Olefinic C 4-10  hydrocarbons are oxidatively dehydrogenated by contact, in admixture with O 2  at 200-600 C., with a catalyst of the empirical formula wherein A is Te, Ge, Th, Nb, Pr, Ce and/or La, C is an alkali metal, an alkaline earth metal, In, Ag, Cu, Sn, Sb and/or a rare earth metal, D is Ni, Co, Mg, Ca, Zn, Cd and/or Mn, c is 0-4, d is 0À1-20, e is 0À01-12, f is 0À01-12 and g is 10-15, provided that A does not comprise Ge when C comprises Sb, and c>0 when A comprises Te. The catalysts may be supported. The reactants can be diluted with, e.g., steam or CO 2 , the molar ratio of O 2 :olefin may be 0À2-8:1 and the contact time may be up to 20 sec. Examples describe the preparation of butadiene from butene- 1 or butene-2 and of isoprene from isoamylene.
Patent GB-899060-A (GB)
Title: Improvements in or relating to n,n-tetrasubstituted 3-amino-2-azaprop-2-en-1-ylideneammonium halides
IPC: C07D295/10
Filed: 1960-12-13
Abstract: The invention comprises (1) N,N1 - tetra - substituted 3 - amino - 2 - azaprop - 2 - en - 1 - ylidene ammonium halides, and (2) addition products of 1 mol of a cyanuric halide and 2 mols of a secondary N-formylamine.  The compounds in (1) are prepared by reacting 1 mol of a cyanuric halide with at least 6 mols of a secondary N-formylamine at 0 DEG C.-180 DEG C., in the presence of an inert solvent, if desired; and the compounds in (2) by reacting 1 mol of a cyanuric halide with 2 mols of a secondary N-formyl-amine at 0 DEG C.-10 DEG C., in the presence of an inert solvent, if desired. The compounds in (2) react with at least 4 mols of a secondary N-formylamine at 10 DEG C.-180 DEG C. to form a compound as in (1) above. Thus in the simplest case the reactions above may be summarised <FORM:0899060/IV (b)/1> (compound of type (1)); <FORM:0899060/IV (b)/2> [Compounds of type (1) (reaction 2) and of type (2) (reaction 1)]  Suitable N-formylamines are those derived from secondary amines containing lower aliphatic, cycloaliphatic, phenylalkyl or phenyl radicals, which may be substituted by alkoxy or hydroxy groups or by halogen atoms; or from heterocyclic secondary amines (which give products in which the nitrogen atoms) are hetero-cyclic, e.g. from piperidine <FORM:0899060/IV (b)/3> Specified amines are dimethyl-, diethyl-, di-isopropyl-, diethanol-, ethylcyclohexyl-, and methyl benzylamine, N-methylaniline, N-methyl-p-chloroaniline, N-methyl-p-anisidine, pyrrolidine, piperidine, morpholine and thiomorpholine.  Cyanuric chloride and bromide are preferred as cyanuric halides.  Picrates of some of the compounds of type (1) are referred to.
Patent GB-1527765-A (GB)
Title: Silencer for a heat engine
IPC: F01N1/04
Filed: 1975-10-21
Abstract: 1527765 Silencing gaseous flow AUTOMOBILES PEUGEOT and REGIE NATIONALE DES USINES RENAULT 21 Oct 1975 [12 Nov 1974 3 March 1975] 43051/75 Heading F1B In a silencer, the downstream end of a perforated pipe 5 is arranged to be in communication with the upstream end of a downstream perforated pipe 7 via a tube 9 which is external to the case 1 containing the pipes Fig. 1, in order to improve the frequency range over which the silencer operates. The external tube may be arranged to be merely aligned with the appropriate pipes Fig. 3 and may included an acoustic section 58. The silencer may contain reflective, interference and absorbtion units and may comprise additional intermediate tubes e.g. 47 Fig. 3. The external pipe may not neccessarily communicate from the inlet to the outlet pipe Figs. 4 and 5 (not shown).
Patent GB-995811-A (GB)
Title: Water additive inhibitor for preventing corrosion and scale formation of metals in the presence of water
IPC: C23F11/08
Filed: 1963-10-31
Abstract: An inhibitor for preventing corrosion of iron or steel comprises (weight per cent) 20-60 hydrazine, 10-40 manganese compound, 5-20 zinc compound, and 5-20 silicon compound, and up to 10% of mineral oil.  The manganese compound may be MnCl2, MnSO4, MnO, the zinc compounds ZnCl2, ZnSO4, and the silicon compound Si3H5Cl3.
Patent GB-1355210-A (GB)
Title: Methi ne dyes and photographic materials containing them
IPC: C09B23/08
Filed: 1971-09-16
Abstract: 1355210 Photographic filter dyes 16 Sept 1971 [16 Sept 1970] 43128/71 Heading G2C [Also in Division C4] Dyes of formula: - (in which Q completes a cyclopentane - 1, 3 - dione nucleus or a Diels - Alder adduct of cyclopentene - 1, 3 - diene and a cyclic diene; x is 0-2; M is H, alkali-metal, ammonium or organic amine cation) are used as photographic filter dyes. Dyes in which Q completes a cyclopentane 1, 3 - dione, hexahydro - 4, 7 - methaoindene - 1, 3 - dione; hexahydro - 13H - 9, 10 - endo-cyclopentanthracene - 13, 15 - dione or hexahydro - 4, 7 - epoxyindene - 1, 3 - dione nucleus are described.
Patent GB-1030050-A (GB)
Title: Punchthrough breakdown rectifier
IPC: H01L29/00
Filed: 1964-10-22
Abstract: 1,030,050. Semi-conductor devices. MOTOROLA Inc. Oct. 22, 1964 [Nov. 13, 1963], No. 43129/64. Heading H1K. A lower resistivity portion 39 of the middle region of a PNP or NPN device surrounds one (35) of the other regions at one face of the device, and a shunt (such as a metal layer 41) across the junction between these two regions enables the device to be used as a diode. The device is arranged so that excessive reverse voltage causes punchthrough breakdown rather than avalanche breakdown.
Patent GB-431973-A (GB)
Abstract: 431,973. Solid-fuel stoves. ARMSTRONG, J., L'Ensouleiado, Montee de Costabelle, Hyeres, Var, France. July 26, 1934, No. 21835. [Class 126] The grate of a stove comprises a plurality of superimposed, spaced, dished annular firebars 2 mounted upon a base 1 and open on all sides to the atmosphere. A cylindrical body 5 of fireclay or other refractory material is superimposed on the annular bars 2. Rods 4 pass through spacing lugs 3 on the bars 2 and through the body 5 to hold the parts in position. At the centre of the stove there is a core-piece of fire-brick, silica, wrought-iron or the like, with an air-passage to apertures in a closure cap, or, as shown, there is a boiler 17 with a watercirculation pipe 21 and an air-passage 18, and air outlets in refractory top 20. The core may be ribbed or have a central rod with spaced discs to baffle the air current. A hit-and-miss valve may be provided below the bottom plate 12 of the stove to control the air supply to the grate. The stove is mounted in a semi-cylindrical chamber with a partly spherical roof. Any parts, e.g. the bars 2 or the semi-cylindrical chamber may be hollow for the circulation of water.
Patent GB-974816-A (GB)
Title: Mining apparatus for lowering the floors of mine roadways having rail tracks
IPC: E21D9/00
Filed: 1961-12-04
Abstract: 974,816. Mineral-mining equipment. EICKHOFF MASCHINENFABRIK U. EISENGIESSEREI m.b.H. GEB. Dec. 4, 1961 [Dec. 6, 1960], No. 43204/61. Heading E1F. Mining apparatus for lowering the floors of underground mine roadways 4 comprises cutting means 8 mounted on a cutting machine 2 adapted to advance on a rail track 3. The cutting means, preferably an endless cutter chaincarrying loop frame, extends below the track to cut away the ground beneath the track in front of the machine.
Patent GB-1110920-A (GB)
Title: Method and apparatus for burning or sintering
IPC: F27D99/00
Filed: 1966-09-28
Abstract: 1,110,920. Cooling material discharged from kilns. RHEINISCHE KALKSTEINWERKE G.m.b.H. 28 Sept., 1966 [1 Oct., 1965], No. 43405/66. Heading F4B. Air used in cooling material from a rotary kiln 1 is supplied to the space between the burner flame and the burning material as heated secondary air, and cooler, externally heated air is supplied to the space above the flame. The material from the kiln 1 enters a shaft cooler 3 wherein air is forced upwardly through the material and is withdrawn through a central fitting 4 by induction in a pipe 9. Air from a regenerator (not shown) is blown into the pipe 9 to induce flow of the secondary air from the cooler, and is also introduced to the kiln 1 above the flame. The secondary air from the cooler is not more than 100‹ C. cooler than the material being cooled. The shaft cooler may be rotary, incorporating seals 13. A scraper 15 removes material from the bottom of the cooler. Valves 10, 11 regulate the flow of air from the regenerator.
Patent GB-1287627-A (GB)
Title: Improvements in and relating to lifting apparatus
Inventor: KINROSS JOHN
IPC: B66F9/18
Filed: 1969-09-02
Abstract: 1287627 Load lifting attachments LANCER BOSS Ltd 24 Aug 1970 [2 Sept 1969] 43432/69 Heading B8H A load lifting attachment, shown in plan view, for use with a fork-lift truck for lifting containers from above comprises a frame element 1 having a transverse double cantilever arm 4 at each end 2, 3 each with load engaging devices at either end. The arms 4 may be telescopically adjusted for loads of different widths. A pair of fork receiving elements 5 is mounted on the element 1 and these may be adjusted on rollers 20 along the element 1 by a ram (28, 29), Fig. 2 (not shown), connected between brackets 31, 32 to balance the load. Forks (not shown) pass through the elements 5 and support the attachment on rollers 23. Each element has a ram cylinder 26 attached to it at 24 by a pivot 25, an eye 27 of the piston rod being attached to the fork by a pin (not shown). The rams 26 may be actuated singly or jointly to move the attachment along the forks or to slue it, within the limits allowed by the fit of the forks in the elements 5, to align the attachment with the load.
Patent GB-1129350-A (GB)
Title: Safety actuator cap for hand-held pump-type or pressurised dispensers
IPC: B05B11/00
Filed: 1967-09-25
Abstract: 1,129,350. Reciprocating pumps; pressurized dispensing containers. AEROSOL INVENTIONS & DEVELOPMENT S. A. Sept. 25, 1967 [Nov. 25, 1966], No. 43453/ 67. Headings F1A and F1R. An actuating and discharge button 30 for a reciprocating pump type dispenser or a pressurized dispensing container is provided with projections 42 which when aligned with notches 46 permit depression of the button. The button is rotatable between this operative position and a position in which the projections 42 and notches 46 are not in alignment and these positions are preset by the engagement of lugs 44 on the button which engage lugs (50), (52) on the underside of the flange 40. The button 30 may only be removed when lugs 44 are in alignment with the notches 46.
Patent GB-894875-A (GB)
Title: Improvements in or relating to the lustering of aluminium and its alloys
IPC: C23F3/03
Filed: 1960-12-20
Abstract: Lustrous surfaces are formed on articles of aluminium of a purity of 99,95% and less, or aluminium alloys which can be brightened and thereafter anodised, by treatment with a bath containing 100-160 cc. of 54% nitric acid, 25-40 cc. of 70% hydrofluoric acid and water to make up one litre, to which there has been added 40-70g. of ammonium fluoride containing no lead, 0,2-0,6g. of lead nitrate or other lead salt (e.g. acetate) containing an equivalent quantity of lead, and 5-100g. of a viscosity-increasing agent, such as gum arabic, dextrine or agar-agar.  The bath may be regenerated by the addition of a solution which contains, per litre of the bath, 10-25 cc. of 70% hydrofluoric acid and 0,05-0.1g. of lead salt dissolved in water. Specifications 693,776, 693,876 and 738,711 are referred to.
Patent GB-1047747-A (GB)
Title: Improvements in or relating to closures for containers
Inventor: DEXTER GUY EDRIC
IPC: B65D47/36
Filed: 1964-10-28
Abstract: 1,047,747. Container closures; opening containers. METAL BOX CO. Ltd. July 5, 1965 [Oct. 28, 1964], No. 43993/64. Headings B8D and B8T. A closure, moulded from a frangible plastics material such as polystyrene, has a barb 2 which snaps under the rim 3 of a container 4 and a crown 5 with four dispensing holes 6 closed by diaphragms 7, Fig. 3 (not shown), integral with the crown, studs 8 extending from the diaphragms so that on applying pressure to the studs the diaphragms rupture to expose the holes. A flange 12 is attached to the crown 5 by a thin web 14 which fractures if an attempt is made to tamper with the container contents by levering the flange upwards. Frusto-conical surfaces 16 and 17 enable the closures to be stacked one inside the other. Recesses 11, Fig. 3 (not shown), are formed in the top of the studs to receive the end of a pencil &c. to provide downward pressure to rupture the diaphragms 7. The container, which may have a flexible rim, is moulded from a resilient synthetic thermoplastic material.
Patent GB-1117566-A (GB)
Title: Apparatus of the reciprocating pump type for dispensing liquid or paste-like material in portions
IPC: A47K5/12
Filed: 1966-10-03
Abstract: 1,117,566. Reciprocating pumps. C.W. SCHNYDER. Oct. 3, 1966 [Oct. 22, 1965], No.44005/66. Heading F1A. Liquid or paste-like material, e.g. soap, is dispensed by a resilient membrane 12 or a spring-biased membrane, deformed outwardly during piston movement between cylinder communication with inlet opening 16 and outlet opening 16. A refill bottle 2 has its closed end severed by the knife 4 in reservoir 1 and the bottle is of resilient material to provide a slight vacuum and prevent leakage past the piston 11. A window 6 is provided in the casing 5 and the reservoir 1 or the reservoir is transparent. The delivery passage 15 is extended at 15a to suck back material from the nozzle 20 during the initial portion of the piston suction stroke.
Patent GB-1480788-A (GB)
Title: Arrangement for assembling two hinge members together
IPC: E05D5/04
Filed: 1974-10-11
Abstract: 1480788 Mounting arrangements for hinges .DAIMLER-BENZ AG 11 Oct 1974 [17 Oct 1973] 44163/74 Heading E2F A hinge lever 4 is attached to a vehicle bonnet, boot lid, or the like 3 by means of a support strip 6 provided with openings 9, 9a into which portions 8, 8a of the arm are hooked and are secured by screw-threaded means 15. As shown the arm 4 has tongues 8, 8a cranked at a distance from its base portion equal to the thickness of the material of the strip 6, and inclined surfaces 13 lead into the openings 9, 9a. Bolts 15 extend through holes 16 in the tongues and through slots 14 in the strip 6 (allowing longitudinal adjustment).
Patent GB-1080346-A (GB)
Title: An arrangement for the quantitative and qualitative analysis of material mixtures or chemical compounds
Inventor: SCHWAAR LOTHAR
IPC: G01N23/223
Filed: 1964-10-29
Abstract: 1,080,346. X-ray analysis apparatus. VAKUTRONIK, VEB. Oct. 29, 1964, No.44167/64. Heading G1A. An arrangement for the quantitative and qualitative analysis of mixtures of materials or chemical compounds utilizes one or more semiconductor detectors responsive to fluorescent X-rays received from the sample, connected to a single channel analyzer followed by a recording or indicating device. Fluorescent rays are excited in the sample (2) by an X-ray radionuclide source (1), and pass through a filter (4) to the detector (3). In order to be able to detect and measure for a number of different elements, a number of filters are provided, any one of which being switched into the system by means of an automatic control device (7), which also selects the channel setting of the analyzer to be used with a particular filter. Pulses of a predetermined height are counted and recorded on a printing device (6). If the analyzer has only one setting (to investigate one particular element), a plurality of detectors may be connected to it to increase the sensitivity of the apparatus. With more than one setting, the detectors are provided with respective filters, which are each preferably of the same element as that investigated, the analyzer being switched from one to the next setting for determining the elements in turn.
Patent GB-1002646-A (GB)
Title: Electrolytic recording medium
IPC: B41M5/20
Filed: 1961-12-12
Abstract: An electrolytic recording medium comprises a porous support, e.g. of paper, impregnated with a solution containing a substantially colourless metal salt, a polyhydroxy phenolic compound, an electrolyte and a metal bisulphite.  The metal salt is of a metal which is oxidisable to a higher oxidation state during the passage of an electric current, and is capable in its higher oxidation state of reacting with the polyhydroxy-phenolic compound to form a coloured mark in the medium.  Suitable salts are those of divalent manganese, divalent cobalt, divalent nickel, trivalent chromium, monovalent silver, divalent tin, divalent lead, monovalent thallium or trivalent vanadium, e.g. manganous chloride.  Suitable polyhydroxyphenolic compounds are gallic acid, catechol, pyrogalloc, hydroquinone and genticic acid.  The electrolyte may be sodium chloride, sodium nitrate or potassium nitrate.  The bisulphite or sodium, potassium or lithium bisulphite or sodium metabisulphite.  The solution may also contain: a base, e.g. sodium hydroxide, to control the pH to between 2.5 and 8.5; an agent to terminate the free-radical degradation of the polyhydroxy phenolic compound, e.g. thiourea, an alkyl derivative of thiourea, dithiobiuret, hydrogine or a salt thereof, hydroxylamine or a salt thereof; and antifringing agents and buffers, e.g. citric acid or monosodium phosphate.  The Specification also describes for purposes of comparison media in which the solution contains no bisulphite and no stabilizer (Example 2), or thiourea as the only stabilizer (Example 3).
Patent GB-1223135-A (GB)
Title: Road marking apparatus
IPC: E01C23/22
Filed: 1968-09-19
Abstract: 1,223,135. Road marking machines. DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT. 19 Sept., 1968 [20 Sept., 1967], No. 44495/68. Heading E1G..[Also in Division G4] Apparatus for painting marking lines on roads comprises a spray gun, slotted nozzle or spreader shoe controlled by two selectors 12, 7 set according to the number of unit lengths in lines and spaces. A wheel 1 in contact with the road drives a cam 3 with a variable gear ratio so as to apply pulses first to a counter 6. When the number set up on 7 is attained relay 8 is energised to reverse contacts 9, 5 so that paint is applied to the road, while further pulses are applied to counter 11. When the "line" number on 12 is attained relay 13 reverses contact 14 to stop the flow of paint. At the same time relay 8 falls back, returning contacts 9, 5 so that measurement of the next space ensues.
Patent GB-1385478-A (GB)
Title: Plastic compositions incorporating acrylonitrile copolymer rubbers
IPC: C08L33/02
Filed: 1971-09-23
Abstract: 1385478 Acrylonitrile rubber-phenolated formaldehyde-hydrocarbon resin compositions COAL INDUSTRY (PATENTS) Ltd 15 Sept 1972 [23 Sept 1971] 44514/71 Headings C3P and C3R A composition comprises an unvulcanized acrylonitrile copolymer rubber and a phenolated formaldehyde-polynuclear aromatic hydrocarbon resin. A reinforced rubber may be obtained by compounding the composition with a vulcanizing agent and formaldehyde or a formaldehyde donor such as hexamethylene tetramine, and optionally other conventional rubber additives, and heating to vulcanize the rubber and cure the resin simultaneously. The resin may be prepared by reacting a hydrocarbon such as naphthalene with paraformaldehyde in the presence of an acid to give a product preferably having an oxygen content of 4-10% and a molecular weight of 400-800 and reacting this with a phenol, preferably in a ratio of at least 1À5 mole of phenol per mole of resin, in the presence of an acid such as p-toluenesulphonic acid. The rubber may be an acrylonitrilebutadiene or -isoprene copolymer. Exemplified compositions contain hexamethylene tetramine, di-α-cumyl peroxide or sulphur and 2-mercaptobenzthiazole and/or tetramethylthiuram disulphide, and other additives selected from zinc oxide, stearic acid, carbon black, triethanolamine, N,N<SP>1</SP>-diphenylguanidine and N-phenyl- α-naphthylamine.
Patent GB-975238-A (GB)
Title: Electrostatic coating apparatus
IPC: B05B7/08
Filed: 1960-12-28
Abstract: 975,238. Spray-producers; coating-apparatus. T. WATANABE. Dec. 28, 1960, No. 44520/60. Headings B2B and B2F. An electrostatic spray coating system in which a high voltage is established between a spray gun and an article to be coated, is provided with a spray gun having a head 13 from which extend several nozzles 10 each including a central liquid outlet 11 surrounded by an annular atomizing air outlet 12. A trigger 21 controls the air supply to the nozzles. In Fig. 3 the gun is earthed and the article 19 is supported on electrically conductive lugs 24 connected to a high voltage source 27. The lugs are located on a turntable 25 carried by an insulator 26. The gun may be connected to a high voltage source and the article earthed.
Patent GB-1526740-A (GB)
Title: Grain separating apparatus for a combine harvester
IPC: A01F12/44
Filed: 1975-10-30
Abstract: 1526740 Grain separator MASCHINENFABRIK FAHR AG GOTTMADINGEN 30 Oct 1975 [30 Jan 1975] 44865/75 Heading AIF [Also in Division B2] A rotary grain separater, connected behind the thresher (6, 7) Fig. 1 (not shown), of a combine harvester, comprises a perforate screening drum 9 rotatably journalled on rollers 11 and surrounding a row of rotary members 17, each comprising prongs 23 and a hub 22 carried on a holder 16. Each holder passes through one of a row of bores 15 in a beam 13 secured immovably to the combine harvester. The members 17 are rotated by the crop layer lining the drum 9, and to some extent by impellers 21; alternatively the members 17 may be positively driven. The crop is fed to the drum by a straw-collecter 8 and scoop-like impellers 20 and the grain then passes, centrifugally through the drum's perforate wall, whilst the straw is bundled and carried along inside the drum by the prongs 23. The planes of rotation of members 17 are parallel and may be adjustably angled to the cross-sectional plane of the drum by axially shifting a rod 12, so as to rotate all the holders 16 within their bores 15, and this angular adjustment, together with an adjustable speed of drum 9 rotation enable variation in the rate of crop through-put.