baber/WOPTO huggingface dataset:
Patent GB-1158414-A (GB)
Title: Television Deflection Power Recovery Circuit
IPC: H04N3/16
Filed: 1966-10-27
Abstract: 1,158,414. Sawtooth circuits. RADIO CORPORATION OF AMERICA. 27 Oct., 1966 [15 Nov., 1965], No. 48299/66. Headings H3P and H3T. A line deflection circuit for a television receiver comprises two damping diodes 20, 22 and a capacitor 21 connected to two secondary windings 15b, 15c of the output transformer 15 in a manner substantially as shown. This arrangement enables diodes of lower breakdown voltage to be used for energy recovery. Windings 15b, 15c preferably have equal numbers of bifilar turns. The output tube or thyristor 13 may be turned on at the beginning of each flyback by pulses from 10 and turned off by operation of components 16, 18, 19. 600 v. flyback pulses are induced into windings 15b, 15c, giving 70 v. across capacitor 21. Diode 22 and capacitor 14 add a further 70 v., allowing diode 22 to be returned to the 140 v. B+  terminal. The invention may be applied to trace driven circuits. In Fig. 2, not shown, diode 20 is connected to a topping on winding 15b.
Patent GB-1418813-A (GB)
Title: Energy conductor supporting chains
IPC: H02G11/00
Filed: 1973-10-18
Abstract: 1418813 Chains KABELSCHLEPP GmbH 18 Oct 1973 [11 Nov 1972] 48615/73 Heading F2Q A chain for supporting energy cables or hoses comprises links each of which consists of a pair of side plates 1a, 1b interconnected by a web 2 formed by upper and lower cross members 6, 7 between which webs 8 are interposed. The ends of the members 6, 7 engage head pieces 9a, 9b which are secured to the side plates 1a, 1b by bolts 18. The cross-section of the members 6, 7 are as shown in Fig. 5, and the members 6, 7 engage recesses 11 ... 14 in the ends of the webs 8 and head pieces 9a, 9b. In the position shown for member 6 it may be removed, whilst in the position shown for member 7 it is locked.
Patent GB-1360458-A (GB)
Title: Motor-driven air impeller in combination with a throttling member
IPC: F04D29/46
Filed: 1972-10-18
Abstract: 1360458 Centrifugal fans MYSON BROOKS Ltd 18 Oct 1972 [19 Oct 1971] 48624/71 Heading F1C A fan comprises a throttling member having an inner surface at least a portion of which surrounds and is radially spaced from at least a portion of the surface swept by the outer edges of the impeller blades, the swept surface and the portion of the inner surface both increasing in diameter along the impeller axis. Fig. 2 shows a ventilating fan in which a frusto-conical throttling member 15 surrounds the frustoconical outer surface of the impeller 2. The axial position of the member 15 and hence the degree of throttling can be adjusted by means of a nut 18. The impeller instead may be axially adjustable. In another embodiment the throttling member is fixed in position, and adjustment of the throttling is effected either by replacing the throttling member by a different one or by severing and discarding an annular portion of the member. For this purpose, the member may be made of readily severable plastics material and shaped to provide several step-wise increases in diameter, the steps serving as guide lines for severance.
Patent GB-1101438-A (GB)
Title: Improvements in and relating to apparatus for cutting grooving, or removing surface irregularities from bars and tubes
IPC: B23Q9/00
Filed: 1964-12-08
Abstract: 1,101,438. Portable milling tool; stands and supports. D. W. R. WALKER. 8 March, 1966 [8 Dec., 1964; 4 June, 1965], Nos. 48871/64 and 23830/65. Headings B3B and B3K. In an apparatus for cutting, grooving or removing surface irregularities from bars or tubes, a rotatable milling tool having its axis arranged parallel to the axis of the bar is held by guide means for movement around the bar to effect the cutting, grooving, parting off or the trimming of excess weld material at butt joints on bars or tubes of round, square, hexagonal or other sections. In one embodiment, a milling tool 33 driven by a flexible drive 23, 34 is mounted at one end of a pair of pivoted levers 15, 16, the end of the lever 16 having a part circular section holder 19 for engagement with the bar 12. By gripping and moving two handle portions together, the milling tool 33 is brought into engagement with, in this case, excess weld material, and by moving the apparatus round the bar, guided by the holder 19, the welded joint is trimmed. The holder 19 may have replaceable jaws for different size bars. The amount of material removed is controlled by wheels 36 mounted either side of the milling tool 33 and which may either be smaller, larger or the same size as the milling tool 33 diameter. In a second embodiment (Figs. 4 and 5, not shown), the milling tool is mounted on a single lever having pegs (46) on each side for engaging chains 47 that wrap round the bar, the chains being adjustable as to which link engages the pegs to accommodate different size bars. Pivoting the lever about the pegs forces the cutting tool on to the bar. In a third embodiment (Figs. 6, 7, not shown), the cutting tool is fixed to a member (49) that engageably conforms with the bar section and is rotated around the bar by an operator. In a fourth embodiment (Figs. 8, 9, not shown) an air motor (50) drives the cutting tool which is mounted between plates (51) that have V-shaped notches (53) in which the bar is held for alignment with the cutting tool.
Patent GB-1127045-A (GB)
Title: Adducts of tetrafluoroethylene
Inventor: FIELDING HAROLD CROSBIE
IPC: C07C17/278
Filed: 1965-11-18
Abstract: 1,127,045. Tetrafluoroethylene adducts. IMPERIAL CHEMICAL INDUSTRIES Ltd. 22 Nov., 1966 [18 Nov., 1965], No. 49078/65. Heading C2C. [Also in Division C3] Novel tetrafluoroethylene adducts, which are not telomers and have the formula [C 2 F 4 ] n Q wherein n is an integer from 8 to 25 and Q represents one molecule of chloroform or carbon tetrachloride are obtained by reacting tetrafluoroethylene with haloalkanes Q in the presence of an ionic catalyst, e.g. tetraethylammonium fluoride. Adducts of the above formula wherein n is less than 8 are obtained as by-products.
Patent GB-1200716-A (GB)
Title: Improvements in or relating to rotary sliding vane pumps
Inventor: LINCKS HANS
IPC: F04C2/344
Filed: 1968-10-18
Abstract: 1,200,716. Rotary pumps. MESSERSCHMITT-BOLKOW-BLOHM G.m. b. H. Oct.18, 1968 [Oct.23, 1967; Oct.31, 1967; Nov.30, 1967; March 11, 1968], No.49577/68. Heading F1F. A variable delivery, pressure relieved sliding vane pump comprising a rotor having vanes radially displaceable in axially extending rotor slots, wherein the volume of the delivery chamber is increased or decreased by means of displaceable guide members 106, 107, Fig.6, mounted in a frame 3 and having similar overlapping interengaging sliding surfaces with each surface having a semi-circular guide surface 210, Fig.3, which terminates, with regard to the direction of rotor rotation, beyond a pump outlet 230 in an Archimedean spiral 240 to a point 241 where it is joined by a straight line 242 to the adjacent extremity 243 of a plane surface which slides on a complementary overlapping sliding surface of the other guide member. In order to reduce weight guide members may be moulded from plastics material. To reduce running noise and avoid transitional loads, the guide members may include semi-circular milled recesses 109, 110 which terminate adjacent the sliding surfaces 11, 12 and mount strips 127, 131 made, e.g., from spring steel or plastics material. Each strip is anchored at one end to its associated guide member and tapered at its other end to give a smooth transitional surface with the other strip. The guide members may be simultaneously moved by means of pistons acting on control pins and subjected to hydraulic or pneumatic pressure under the control of a single actuating member. The control of the pistons may be effected automatically either as a junction of delivery pressure or driving input. Alternatively, control pins 319, 320, Fig.7, may co-operate with the oblique faces 342 of a twopronged fork 341 which is acted upon by a hydraulic or pneumatic piston or mechanical means
Patent GB-1331568-A (GB)
Title: Process for obtaining a differential white blood cell count
IPC: G01N33/50
Filed: 1971-10-26
Abstract: 1331568 Detecting white blood cells MOUNT SINAI RESEARCH FOUNDATION 26 Oct 1971 [30 Oct 1970] 49717/71 Heading B1X A process for detecting a type of white blood cell comprises adding a cytological fixing agent to a solution containing white blood cells to kill the white blood cells and to immobilise catalytic enzymes within the cells without seriously damaging their catalytic properties and without precipitating soluble components present in the solution, adding a cytochemical substrate to the solution containing the killed cells to enzymatically stain the type of white blood cell, and detecting the stained cell. The stain-forming substance added depends upon what type of cell it is desired to detect; the reaction is a consequence of the different enzymes present in different types of cell. Eosinophils and neutrophils may be stained with 4-chloro-1-naphthol and monocytes with a naphthyl ester, indexyl ester or 8-hydroquinoline ester. The process is applicable to blood, spinal fluid 'and bone marrow.
Patent GB-1116858-A (GB)
Title: Improvements in and relating to synthetic resins
IPC: C08F220/36
Filed: 1966-11-07
Abstract: An addition-polymerizable monomer is prepare by esterifying a compound (I) <FORM:1116858/C3/1> wherein each group A is -N(CH2.O.R) or -NH.CH2.OR and R is H or a C1- 4 alkyl group, with an acrylic or methacrylic acid or ester of the formula CH2 = CR1-COOR2, wherein R1 is H or CH3 and R2 is H or a C1- 5 hydroxyalkyl group, in the presence of a solid acidic catalyst comprising a natural or synthetic cation-exchange resin, e.g. a montmorillonite-type silicate, in the acid state.  The reaction may be conducted in an inert solvent, e.g. toluene or xylene, at e.g. 50-150 DEG  C.  The product may be copolymerized with, e.g. styrene, acrylic and methacrylic acids, esters, amides and nitriles, and maleic and fumaric acid derivatives. The products of the invention may also be mixed with alkyd, acrylic, epoxy, UF or MF resins.  In examples, hexamethoxymethyl melamine or hexabutoxymethyl melamine or a commercial partly etherified methylolated melamine is reacted with acrylic acid, methacrylic acid, hydroxyethyl methacrylate or hydroxypropyl acrylate in xylene i.p.o. a trace of hydroquinone and a montmorillonite morillonite or acid cation exchanger, and the concentrated product is copolymerized in Examples 1-6 with butyl acrylate and styrene and optionally ethyl acrylate in xylene/butanol i.p.o cumene hydroperoxide and tert.-dodecylmercaptan, the products being mixed with TiO2 and used as lacquers, and in Example 7 with acrylic acid, butyl acrylate and styrene, in butanol/ethylene glycol, the product being neutralized with Et3N and mixed with TiO2 and water to give an electrocoating composition.ALSO:An electrocoating composition comprises, in Example 7, a copolymer of the reaction product of hexamethoxymethyl melamine and methacrylic acid with acrylic acid, butyl acrylate and styrene in ethylene glycol and butanol, the polymer being neutralized with tri-ethyl amine, pigmented with TiO2 and diluted with water to 10% resin solids. An anode is coated for 1 minute at 100 volts, giving a 15m  film, or at 120 volts giving a 20m  film (about 3 in A/cm2). The coating is stoved at 150 DEG C.ALSO:An optionally etherified polymethylol melamine <FORM:1116858/C2/1> where each group A is -N(CH2OR)2 or -NH.CH2OR, R being H or a C1- 4 alkyl group, is estified with an acrylic or methacrylic acid or ester CH2=CR1-COOR2, where R1 is H or CH3 and R2 is H or a C1- 5 hydroxyalkyl group, in the presence of a solid catalyst which is a natural or synthetic cation exchanger in the acid state.  Suitable catalysts include montmorillonite-type silicates in the acid state. In examples hexamethoxymethylmelamine or hexabutoxymethylmelamine or a commercial partly etherified methylolated melamine is reacted with acrylic acid, methacrylic acid, hydroxyethyl methacrylate or hydroxypropyl acrylate in xylene i.p.o. a trace of hydroquinone and a montmorillonite or a commercial acid cation exchanger.
Patent GB-1525278-A (GB)
Title: Herbicidal azetidine carbothiolate ester
IPC: A01N47/16
Filed: 1975-12-05
Abstract: 1525278 Azetidine carbothiolate ester BASF AG 5 Dec 1975 [6 Dec 1974] 49983/75 Addition to 1453490 Heading C2C The novel compound 5-(2,3-dichloroallyl) 2,2,4-trimethylazetidine-1-carbothiolate is prepared by reacting 2,2,4-trimethylazetidine with carbonyl sulphide and 2,3-dichloroalkyl in the presence of a trialkylamine. It is used as a herbicide.
Patent GB-1516977-A (GB)
Title: Detergent compositions
IPC: C11D1/22
Filed: 1975-10-30
Abstract: 1516977 Detergent compositions PROCTER & GAMBLE Ltd 30 Oct 1975 [19 Nov 1974] 50018/74 Heading CSD A detergent composition comprises a ternary mixture of: (a) a polyethoxy nonionic detergent having 9 to 16 carbon atoms in the hydrophobic residue, (b) a synthetic anionic detergent and (c) a fatty acyl monoethanolamide derived from a fatty acid having 15 to 18 carbon atoms, the weight ratio of components (a) to (b) being from 15:1 to 3:1 and that of components (a) and (b) together to (c) being from 7:1 to 2:1. Ingredients specified include: surfactants: a branched alcohol-ethylene oxide adduct, alkyl sulphates, alkyl ether sulphates, sodium alkyl benzene sulphonate, alkane sulphonates, olefin sulphonates, tallow monoethanolamide; others: enzyme, brighteners, colour, perfume, sodium tripolyphosphate, sodium silicate, sodium perborate, sodium sulphate and water.
Patent GB-1499929-A (GB)
Title: Silencer from pneumatic tools,valves and the like
IPC: F01N13/16
Filed: 1975-12-10
Abstract: 1499929 Silencer for pneumatic tool ARKI BULLERSKYDD AB 10 Dec 1975 [11 Dec 1974] 50699/75 Heading B4C [Also in Division B1] Exhaust gas laden with oil has the oil removed therefrom in a silencer comprising an inlet tube 3, an oil collecting plate 9 and a labyrinthine series of baffles 15, the collected oil being removable through a tap 8. Plate 9 may be ribbed as at 14 to increase its surface area and may be adjustable in position. Tube 3 is filled with for example stainless steel meshing, whereas filling material 18 may be aluminium or copper meshing, glass fibre mesh or plastics mesh. A final filter 21 of active carbon at the silencer exit may be provided.
Patent GB-1356583-A (GB)
Title: Centrifugal pumps
IPC: F04D15/00
Filed: 1970-10-27
Abstract: 1356583 Centrifugal pumps JOSEPH LUCAS (INDUSTRIES) Ltd 18 Oct 1971 [27 Oct 1970] 50876/ 70 Heading F1C A centrifugal pump comprises a valvecontrolled inlet (not shown) opening into the inner part of the annular pump chamber, a clearance channel 13 extending around the chamber periphery, a main outlet 14 opening into the outer part of the chamber, an impeller 15 having its periphery closely adjacent the radially inner end of the clearance channel and an auxiliary outlet 20 opening into the clearance channel in a direction transverse to a tangent to the impeller so as to recover kinetic head of rotation of the liquid as static pressure. This enables liquid to be emptied from the pump on closure of the inlet more readily than through the main outlet 14. Fluid may be scavenged from the main outlet 14 for discharge through the auxiliary outlet 20, by means of an ejector energized by auxiliary outlet pressure.
Patent GB-1441639-A (GB)
Title: Pesticidal mono- and di-thiophosphates
IPC: C07F9/18
Filed: 1973-11-02
Abstract: 1441639 Phosphorothioates and -dithioates CIBA-GEIGY AG 2 Nov 1973 [3 Nov 1972 21 Sept 1973] 51070/73 Heading C2P The invention comprises compounds of formula wherein X is O or S; R 1  is Me or Et; R 2  is npropyl, isobutyl or sec.-butyl; R 3  and R 4  are each H, Cl, Br, Me, Et, OMe or OEt; and R 5  is acetoxy, C 3 -C 5  alkenyloxy, C 3 -C 5  alkynyloxy, alkoxyalkoxy (with C 1 -C 4  in each alkyl moiety), 2- or 3-chloroallyl, 2- or 3-chloroallyloxy, benzylthio, C 3 -C 5  alkenylthio, thiocyanato, formyl, 1,3 - dioxolan - 2 - yl, 4- methyl - 1,3 - dioxolan - 2 - yl, 4,5 - dimethyl- 1,3 - dioxolan - 2 - yl, 4,4,5 - trimethyl - 1,3- dioxolan - 2 - yl, 1,3 - dioxan - 2 - yl, 1,3- dithiolan - 2 - yl, 2 - methyl - 1,3 - dithiolan- 2 - yl, 4 - methyl - 1,3 - dithiolan - 2 - yl, 4- ethyl - 1,3 - dithiolan - 2 - yl, 1,3 - dithian - 2- yl, 1,3 - oxathiolan - 2 - yl, di(C 1 -C 4  alkoxy) methyl, di(C 1 -C 4  alkylthio)methyl, N- phenylformimidoyl, N - (C 1 -C 4  alkyl)formimidoyl, (C 1 -C 4  alkylhydrazono)methyl or [di(C 1 -C 4  alkyl)hydrazono)]methyl. Compounds I are prepared by reacting (R 1 O)(R 2 S)P(: X)Cl with MO-C 6 H 2 -R 3 R 4 R 5  (M being H, alkali metal, ammonium or alkylammonium), in the presence of an acid acceptor when M is H. Insecticidal and acaricidal compositions comprise a compound I and a carrier.
Patent GB-1486327-A (GB)
Title: Negative-resistance semiconductor device
IPC: H01L21/337
Filed: 1974-11-26
Abstract: 1486327 Semi-conductor devices MATSUSHITA ELECTRONICS CORP 26 Nov 1974 [30 Nov 1973] 51167/74 Heading H1K [Also in Division H3] A negative resistance semi-conductor device comprises complementary FETs F 1 , F 2 , Fig. 1, in a single substrate 31, Fig. 3, of semi-conducting material, both FETs operating in the depletion mode and being series connected together, with the gate electrode G 1 , G 2  of each FET being connected to the non-series connected source or drain of the other FET, wherein each FET has a second gate electrode region 43, 44 such that two respective gates 34, 43 and 38, 44 in each FET F 1 , F 2  define a channel therebetween. The device operates as a two-terminal element exhibiting an N-shaped current-voltage characteristic which has a region of negative slope. The FETs F 1 , F 2  are separated by isolation regions 33, 33<SP>1</SP>, 33<SP>11</SP> from each other and from other specified circuit elements in the integrated circuit.
Patent GB-1574508-A (GB)
Title: Waterdispersible proteins with polyurethanes
IPC: C12N11/08
Filed: 1977-12-08
Abstract: To prepare the novel aqueous dispersion or solution of protein bonded to a urethane polymer, water-soluble or -dispersible bioactive proteins and water-soluble or -dispersible liquid polyurethane prepolymers containing terminal isocyanate groups are mixed under essentially anhydrous conditions, and this mixture is then dissolved or dispersed in water.
Patent GB-1213062-A (GB)
Title: A method of coking compacts or shaped bodies of fuel
IPC: C10L5/36
Filed: 1967-11-13
Abstract: 1,213,062. Coking coal. L. & C. STEINMULLER G.m.b.H. 13 Nov., 1967 [12 Nov., 1966], No. 51512/67. Heading C5E. In a continuous coking process shaped cornpacts of coal, provided with channels or recesses, are stacked in radial columns 2 on a revolving refractory carrier table 3. The coking process occurs in four sectors 14, 15, 16 and 17; in sectors 15 and 16 the coal is within the temperature range at which devolatization is at a maximum. Air, which can be preheated to 750‹ C., is passed through the passages 18, it is vertically distributed through the fuel mass by the deflectors 19 and can be introduced at different rates within the two sectors 15 and 16 by means of the partitions 20. The air flows through the channels 22 in the columns of coal causing partial combustion of the volatilized gas, leaves the mass of coal radially and collects in the peripheral channels 23 and 27. The gas passing from sector 15 via channel 23 flows into channel portion 24 in which it may be further heated by partial combustion with air introduced through nozzles 25, then flows through the channels 22 in the coal in sector 14 in the opposite direction to the flow in sector 15 and is discharged through the central exit 26; similarly air flows into the coal in sector 16 and is reheated in channel portion 27 by air admitted at 28 before flowing inwards through the coal in sector 17, The refractory table 3 is supported on a frame 4 which can be cooled from below by the air or gas which is to be used for combustion and which is thereby preheated.
Patent GB-1530718-A (GB)
Title: Depositing alumina onto a substrate
IPC: C01F7/04
Filed: 1976-12-13
Abstract: 1530718 Purifying exhaust gases PECHINEY UGINE KUHLMANN 13 Dec 1976 [15 Dec 1975] 51884/76 Heading B1L [Also in Divisions Cl and Fl] Lead is removed from the exhaust gas of a combustion engine by passing the gas through metal wool (stainless steel wool specified) which has been coated with alumina by treating the wool with aqueous alkali metal aluminate solution, the composition of which is adjusted by passage through a regeneration circuit where alumina is added to make up for the quantity deposited.
Patent GB-1505100-A (GB)
Title: Stabilized photochromic materials
IPC: C09B67/08
Filed: 1975-12-18
Abstract: 1505100 Photochromism AMERICAN OPTICAL CORP 18 Dec 1975 [23 Dec 1974] 51886/75 Heading C4S Particles of a mixture of a photochromic dye and a polymeric material are coated with inorganic material to prevent degradation of the dye by contaminants; the coated particles have a size of 30 Š to 1 Á. Coatings of SiO 2 , compounds of Ge, B, P, Ti, Al, Sb and Zn oxides; nitrides, sulphides and glass are deposited by sputtering in a reactive gas atmosphere, vacuum deposition, non reactive sputtering, vapour deposition or precipitation. Uniform coatings are achieved by agitating the particles. Particles are suspended in a solution of titanyl sulphate and NaOH added to deposit Ti(OH) 3  on the particles which are then removed from the suspension and heated to reduce the hydroxide to TiO 2 . A SiO 2  coating is formed using a solution of tetra ethyl orthosilicate and H 2 SO 4 . Particles are prepared by spray drying; the rapid addition of ethyl alcohol to a solution of the mixture, the alcohol being a non solvent for the. polymer causes particles to form; grinding in a colloid mill. Polymeric materials referred to include PVA, polystyrene, cellulose acetate, polyesters, epoxy and aminoplast resins. Dyes include spiro pyrans; metal dithizonates containing Hg, Cl, F, I or Br; spiro oxazines, phenazines, e.g. phenylphenazinium salts, and phenothiazines. Coated particles are mixed with prepolymer material, moulded and polymerized to form windows, windscreens, filters, wall panels, jewellery, toys and sunglasses. The prepolymer materials include polycarbonates, methacrylates and cellulose acetate. One composition comprising cellulose acetate butyrate, dimethyl phthalate, a U.V. absorber and phenyl mercuric dithizonate in methylene chloride is spray dried. The particles are coated with TiO 2  and added to allyl diglycol carbonate and isopropyl peroxide. The suspension is moulded and polymerized. Another composition comprises methylene blue reduced with stannous chloride then decolourized with charcoal and mixed with PVC and glycerine.
Patent GB-519345-A (GB)
Abstract: 519,345. Purifying air. SHARDLOW & CO., Ltd.. A.; and WRIGHT, H. Oct. 14, 1938, Nos. 29773/38 and 29720/39. Addition to 466.397. [Class 8 (ii)] [Also in Group XII] Inflowing air is deflected down through trumpet mouths 4 on to a body of liquid in a primary separating chamber, as claimed in the parent Specification, and then further purified in a chamber C containing oil-coated elements D, from which it passes through an annular chain curtain G in an outer chamber F, this curtain being moistened by oil or water supplied by a pump J to an annular funnel K. In a modification, the chambers C, F are separated from the primary chamber, which contains deflectors 4 enveloped in a hood, and which delivers the air to a flat sheet or curtain supplied with liquid in an inner secondary chamber, from which the air issues through a restricted aperture adjacent the surface of liquid in an outer chamber having baffles to separate liquid in its air outlet conduit,