baber/WOPTO huggingface dataset:
Patent GB-1175693-A (GB)
Title: Method for Protecting Plants from Fungi and Compositions therefor
Inventor: HEYNINGEN EARLE MARVIN VAN
IPC: C07D213/89
Filed: 1966-11-23
Abstract: 1,175,693. Protecting plants from fungal attack. ELI LILLY & CO. 22 Dec., 1966 [23 Nov., 1966], No. 52400/66. Heading A5E. [Also in Division C2] Plants are protected from fungal attack by treatment with a compound of the formula: wherein R is a hydrogen or halogen atom, or a hydroxyl, amino, cyano, acetoxy, carboxy, carbo (C 1 -C 3 ) alkoxy, C 1 -C 3  alkoxy, C 1 -C 4  alkyl mercapto, C 1 -C 4  alkyl, benzyl, or phenyl radical; R<SP>1</SP> is a naphthylmethyl, C 3 -C 6  cycloalkyl, C 3 -C 6  cycloalkenyl, pyridyl, thienyl, benzyl or phenyl radical; R<SP>2</SP> is as Formula II above naphthylmethyl, C 3 -C 8  cycloalkyl, C 4 -C 8  cycloalkenyl, C 1 -C 6  alkyl, C 2 -C 4  alkenyl, C 2 -C 4  alkynyl, trifluoromethyl, pyridyl, thienyl, benzyl, or phenyl radical; and wherein the pyridine ring of the formula, the benzyl, phenyl, pyridyl, or thienyl radicals of R, R<SP>1</SP> or R<SP>2</SP> may be substituted with one or more halogen atoms or nitro, C 1 -C 4  alkyl, methoxy, ethoxy, methylmercapto, ethylmercapto, trifluoromethyl, C 1 -C 4  alkyl-So 2 , C 1 -C 4  alkyl-So radicals; or an acid addition salt or N-oxide thereof.
Patent GB-1413219-A (GB)
Title: Induction heating apparatus with protective circuit arrangement
IPC: H02M7/525
Filed: 1973-11-13
Abstract: 1413219 Inverting circuits for inductively heated devices MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 13 Nov 1973 [15 Nov 1972 16 Nov 1972 17 Nov 1972 20 Nov 1972 10 Aug 1973] 52569/73 Headings H2H and H2F An induction heating device such as a cooking apparatus comprises an inverter fed from an A.C. source by way of a full wave rectifier, the heating device being energized by the output from the inverter, the inverter including a gatecontrolled semi-conductor device and being provided with protective devices to prevent damage which would occur to heavy current surges at switch on and overload currents. An electric cooker comprises an induction heating coil 12 energized by an inverter having an inductor 11 and a capacitor 10 forming a circuit which is set into resonance by the firing of a thyristor 7 paralleled by an oppositely poled diode 8, the inverter being supplied from an A.C. source 1 with unfiltered unidirectional current by way of a full wave rectifier 2. A circuit 14 is provided for supplying firing pulses to the thyristor 7, heavy current surges when the thyristor is rendered conductive being prevented by making the circuit 14 responsive to a start up circuit 15. The circuit 15 comprises means for sensing the voltage zero at the beginning of a half wave of the full wave rectified voltage from the rectifier 2. Having sensed a voltage zero the circuit 15 completes a circuit whereupon the capacitor 10 in the inverter circuit is completely discharged and thereafter, when the voltage at the output of the rectifier 2 has again risen to a value sufficiently for the inverter to begin oscillation, enables the circuit 14 to produce gating signals for the thyristor 7 which then becomes conductive to cause operation of the inverter to energize the induction heating coil 12. The apparatus is provided with a circuit 16 for detecting abnormal load conditions which would occur if, for example, a non-magnetic material were used as the load on the heating coil 12. In this case the frequency of oscillation of the inverter would be outside the limits set for the inverter oscillation and the circuit 16 would function to cause continuous conduction of the thyristor 7 causing an overload current to flow which would trip a switch S in the supply from the A.C. source 1.
Patent GB-1359250-A (GB)
Title: Semi-transparent iron oxide layer on a substrate
IPC: G03F1/54
Filed: 1972-11-14
Abstract: 1359250 Etchable iron oxide coatings METTLER INSTRUMENTE AG 14 Nov 1972 [11 April 1972] 52606/72 Heading B2E [Also in Division G2]  A semi-transparent layer on a substrate substantially comprises ferro-magnetic iron oxide, useful as a photomask. Preferably the oxide is γ-Fe 2 O 3  and the layer contains a stabiliser, such as a lithium salt, water or, preferably, 8.5 to 22 molar % bivalent iron. The term semi-transparent means that the layer has differing degrees of transmissivity for light of different wavelengths.
Patent GB-1236388-A (GB)
Title: Improvements relating to methods of reacting powdered materials and apparatus therefor
Inventor: STRIBLING JOHN BRIAN
IPC: B01J8/18
Filed: 1967-11-20
Abstract: 1,236,388. Gas/solid contact. LECTRAMATEC FURNACES Ltd. 11 Nov., 1968 [20 Nov., 1967], No. 52628/67. Headings B1F and B1X. [Also in Divisions Cl, F4 and H5] Powdered material to be treated with a gas is charged into a refractory container 16 with porous ends 18, 20 which is located within a furnace 10 heated by resistance elements 12. The gas is circulated through the powder by convection or by a fan, so that the powder becomes turbulent, and thermocouples 22 allow the temperature within the container 16 to be controlled.
Patent GB-1453728-A (GB)
Title: Device for detecting degree of opening of a throttle valve
IPC: F02P7/073
Filed: 1973-11-13
Abstract: 1453728 Measuring angular displacements electrically HITACHI Ltd 13 Nov 1973 [27 Nov 1972 29 Nov 1972] 52685/73 Headings G1A and G1N The angle between a fixed magnetic pick-up 3, Fig. 1, and a movable pick-up 4 located round the periphery of a disc 1 with a magnet insert 2 and rotating at a constant velocity, is determined by measuring the time interval between the pulses produced in the two pick-ups, using a clockpulse generator and a counter. The pick-ups 3, 4 may alternatively be Hall plate elements, and the rotating magnet 2 replaced by a rotating magnetic field produced by a polyphase A.C. supply. In a photo-electric embodiment, Fig. 5, the angle between a fixed photo-cell 17 and a movable photo-cell 19 is determined by the phase difference between the pulse trains produced by a semicircular shield 13 rotating at a constant speed to cut off the light from a source 16 reaching the photo-cells, for 180 degrees in each revolution. The phase difference is measured by gating the pulses from a clockpulse generator to a counter. A further embodiment, Figs. 7a, 7b, utilizes a Kerr cell 28 whose polarization axis is cyclically rotated by a sawtooth voltage from generator 2a. Light from a source 23 is fed through a first polarization plate 24 and the Kerr cell 28 to polarization plates 32, 33 and photo-cells 30, 31 respectively. The photocell 30 and its polarization plate 32 are fixed; the photo-cell 31 and its plate 33 are rotatable on a plate 34. The time interval between the maxima outputs from the photo-cells 30, 31 is indicative of the angle between them.
Patent GB-1285208-A (GB)
Title: Maleic anhydride interpolymers
Inventor: BUICK A
IPC: C08F22/04
Filed: 1969-10-29
Abstract: 1285208 Alkyl vinyl ether/maleic anhydride/ octadiene copolymer. IMPERIAL CHEMICAL INDUSTRIES Ltd 15 Oct 1970 [29 Oct 1969] 52968/69 Heading C3P. A cross-linked lower alkyl vinyl ether/maleic anhydride/octadiene-1,7 copolymer containing up to 7.5% by weight of octadiene-1,7 and in which each of the two unsaturated groups in part at least of the octadiene-1,7 is incorporated in a different main polymer may be prepared by polymerizing together the ether, anhydride and octadiene, the octadiene being used in an amount of 5 to 25 parts by weight per 100 parts by weight of anhydride. In the examples methyl vinyl ether, maleic anhydride and octadiene-1,7 are copolymerized in the presence of lauroyl peroxide and toluene. The copolymers may be hydrolysed with water and neutralized with sodium hydroxide.
Patent GB-1448170-A (GB)
Title: Fire retardant polymeric compositions
IPC: C08L51/02
Filed: 1974-12-10
Abstract: 1448170 Fire retardant VELSICOL CHEMICAL CORP 10 Dec 1974 [17 Dec 1973 (2)] 53249/74 Heading C3P [Also in Division C2] N - (21,41 - Dibromophenyl) - 3,4,5,6,7,7- hexachloro - 3,6 - methanotetrahydrophthalimide or N - (2<SP>1</SP>,4<SP>1</SP>,6<SP>1</SP> - tribromophenyl)- 3,4,5,6,7,7 - hexachloro - 3,6 - methanotetrahydrophthalimide are used as fire-retardants in compositions comprising combustible polymers. In examples, the additive is used in admixture with polypropylene and acrylonitrilebutadiene-styrene (ABS) copolymers. Adjuvants such as Sb 2 O 3 , zinc borate and lead arsenate may be included in the compositions.
Patent GB-1484770-A (GB)
Title: Method of providing a gas-tight and liquid-tight closure in a bore in a hardenable material
IPC: F16J13/00
Filed: 1975-12-31
Abstract: 1484770 Force fits K H THOMAS 31 Dec 1975 [26 Feb 1975] 53332/75 Heading B3U The plain threadless bore 2 in a case-hardenable material 1 is closed by forcing a sealing body 3 into the bore and then nitriding the assembly at a temperature (e.g. 500-600 C.) at which some contact pressure between the bore and body is retained. The outer end of the bore is peened over at 4 after insertion of the body. The nitriding may be performed using gaseous nitrogen, a cyanide bath or a carbonitriding process. A very slight increase in volume of the material results from the nitriding. The body may be a ball, or a cylindrical or slightly coned plug. The method is suitable for the valve casing of an hydraulic servo-assisted steering gear.
Patent GB-1325912-A (GB)
Title: Streptokinase compositions
IPC: C12N11/10
Filed: 1970-11-11
Abstract: 1325912 Streptokinase - carbohydrate polymer compositions BAXTER LABORATORIES Ino 11 Nov 1970 [2 Dec 1969] 53566/70 Heading C3H A streptokinase composition comprises one part by weight of streptokinase chemically bonded to from one to five hundred parts by weight of a support of a polymer comprising carbohydrate units for example polysaccharides such as cellulose, dextran, starch or dextrins, preferably having a molecular weight of 70,000 to 500,000, polymerized derivatives of carbohydrates, alkali metal containing derivatives of carbohydrates, copolymers of sucrose and epichlorohydrin, carbohydrates etherified with aminoalkyl groups such as aminoethyl and carboxyl containing derivatives for example carboxyethylcellulose, carboxymethyldextran and carboxypropyldextran. In the preferred compositions the streptokinase is bonded to the support via the groups wherein R is the support medium having a bond on an oxygen atom connected to the moiety, R<SP>1</SP> is streptokinase, n is a positive integer and X is a monovalent hydrocarbon radical having no more than 4 carbon atoms, a hydrogen or halogen atom or a further R or R<SP>1</SP> group. The compositions are obtained by reacting the streptokinase with carbohydrate azides, triazine derivatives or by the use of carbodiimides. In the examples "dextran azide" is prepared by diazotization of the hydrazide obtained by reaction of hydrazine and carbomethoxy dextran, or with carboxyethyl dextran. A copolymer of sucrose and epichlorohydrin is converted into a streptokinase reactive compound with cyanuric chloride or a substance of the formula in which X is Br, Me, H, Pri, n-Bu, I, or allyl.
Patent GB-1444116-A (GB)
Title: Clutches
IPC: F16D21/06
Filed: 1973-11-19
Abstract: 1444116 Friction clutches SOC ANON FRANCAISE DU FERODO 19 Nov 1973 [20 Nov 1972 15 Feb 1973] 53599/73 Heading F2C In a friction clutch having a driven disc 11B which is clamped between a reaction plate 10B and a presser plate 13B by a spring 15 and is disengaged by radial release levers 21B, the latter act through auxiliary levers 35B and thrust rods 40B on the presser plate 13B and the auxiliary levers 35B bear against the reaction disc 10B radially inwardly of the contact 36B between the auxiliary levers 35B and the clutch release levers 21B and said contact 36B is radially inwardly of the release lever pivots 33B. As shown in a double clutch a second driven disc 11A is clamped between a driving flywheel 10A and a presser plate 13A by the spring 15 and is disengaged by radial release levers 21A which act on the presser plate 13A through tie rods 28A. The contact between the auxiliary lever 35B and clutch release lever 21B may be provided by a pivot (Figs. 5-11, not shown). In Fig. 12 (not shown) the auxiliary lever acts via a thrust rod on one presser plate of a double clutch whilst the associated release lever acts through a tie rod on the other presser plate. The clutch release levers and auxiliary levers may be made by stamping from sheet metal.
Patent GB-1486818-A (GB)
Title: Arrangement for feeding a cohesive strip of material
IPC: B29C48/08
Filed: 1974-12-18
Abstract: 1486818 Web feeding HERMANN BERSTORFF MASCHINENBAU GmbH 18 Dec 1974 [24 Dec 1973] 54695/74 Heading B8R An apparatus for feeding rubber strips 16, 17 in succession to a hopper 15 of an extruder 12 comprises a pair of endless belts 1, 18, driven alternately by respective drive means 7, 22, which, when operative, drive also a pair of feed rollers 9, 11 through respective chains 29, 31, the speed of the drive means being controllable by a device 28. In operation strip 16 is fed by conveyer belt 18 and rollers 9, 11 to the hopper 15 provided with ultrasonic sensors 23 to 25 which transmit pulses to the control unit 28 in turn emitting an output signal over a lead 30 to apply it to the drive means 22 and control its speed accordingly. When a sensor roller 20 has detected the trailing end of the strip 16 a signal is sent to the control device 28 which actuates respective clutches to stop the feed roller 11 from being driven by the drive means 22 and transfer the drive to the drive means 7 causing strip 17 to be fed by the belt 1. Control of belt 1 is effected by the sensors 23 to 25 via the control device 28 and a line 29.
Patent GB-1128528-A (GB)
Title: Work support to be connected to a suction device
IPC: B08B15/04
Filed: 1966-12-08
Abstract: 1,128,528. Gas filter. M. ZICHE and V. LEDER. 8 Dec., 1966 [18 Dec., 1965], No. 54980/66. Heading BIT. A work support comprises a block 2 of wood, metal or plastics material having a cavity 7 communicating with the exterior through holes 3 formed in the front of the support and being closed at the rear by a bag-shaped filter 9 of textile, mesh or sintered metal. The support fits into a rectangular cross-section conduit 5 in a work bench, and suction is applied by a fan, via outlet 6. The bag-shaped filter 9 may be held by rubber bands 10 on metal tube 8 which tube is inserted in the cavity 7 and secured by countersunk rivets.
Patent GB-1311026-A (GB)
Title: Apparatus for inductively heating an elongated workpiece
IPC: C21D1/10
Filed: 1970-11-19
Abstract: 1311026 Inductively heating and quenching a workpiece PARK-OHIO INDUSTRIES Inc 19 Nov 1970 [12 Dec 1969] 55081/70 Heading C7N Cylindrical workpieces are quench hardened by conveying a workpiece along a path transverse to the axis of the workpiece between first and second positions; shifting an inductor, having two legs extending the length of the workpiece, so as to heat the workpiece at the first position, passing high frequency current through the inductor and shifting the inductor away from the workpiece; when the workpiece is at the second position, shifting a quench unit towards said workpiece to surround it, forcing quenching liquid on to the workpiece and rotating the workpiece at the first and second positions. An apparatus for carrying out the hardening process comprises a single turn inductor with two parallel side legs extending the length of the workpiece, connectedby arcuate end legs; a quench body of similar length having an arcuate surface pierced by aperturesthrough which quench liquid may be forced on to the workpiece; means for rotating the workpiece during heating and quenching; and conveying means to move the workpiece for the heating means to the quenching means. The conveying means may be a turret having 3-6 workpiece engaging elements, see Figs. 9-11, (not shown). Similar secondary and tertiary quenching means may be provided. The quenching may be completed by immersion in a quench tank. The workpiece may be a plain cylinder or a cylinder having a flange and a splined end see Figs. 4 and 8, (not shown). The side legs of the inductor may be spaced around the workpiece at an angle of approx 120 degrees.
Patent GB-1407795-A (GB)
Title: Orthopaedic device
IPC: A61L15/07
Filed: 1971-11-29
Abstract: 1407795 Photopolymerizable materials; orthopaedic devices IMPERIAL CHEMICAL INDUSTRIES Ltd 9 Nov 1972 [29 Nov 1971] 55308/71 Heading C3P [Also in Division A5] A fabric article suitable for applying to a body member (e.g. neck, arm, leg or finger) is impregnated with at least one polymerizable ethylenically unsaturated compound and at least one photosensitive catalyst comprising a photosensitizer activatable by visible light and a reducing agent capable of reducing the photosensitizer when the latter is in an activated state. the catalyst being capable of curing the polymerizable compound to convert the impregnated fabric article into an immobilizing orthopaedic device when the article is exposed to visible light. The orthopaedic device produced is lighter than conventional plaster of Paris casts and, furthermore, is permeable to X-rays. The fabric article may be woven or non-woven and formed from various materials, e.g. cotton, rayon, nylon, polyester or, preferably, glass fibre. The article is preferably in the form of an open structured woven or knitted bandage. Examples of usable polymerizable compounds are vinyl esters such as vinyl acetate, alkyl acrylate and methacrylate esters, styrene and alkyl-substituted styrenes, and hydroxyalkyl acrylates and methacrylates, and also polyunsaturated compounds such as divinyl benzene, glycol dimethacrylate and unsaturated urethane prepolymers, and also unsaturated polyesters. A polymeric material (e.g. polymethyl methacrylate) may be included to adjust the viscosity of the polymerizable material. Suitable initiators include uranyl salts, photosensitizer dyes, fluorenone and α-diketones and suitable reducing agents include compounds of the formula MR 3  where M is an element of Group Vb (e.g. N, P, As, Sb) and R represents H, hydrocarbyl or a substituted hydrocarbyl group and wherein two R's may be linked together to form a cyclic system with M, or a reducing agent such as allylamino compounds, allyl thiourea, o-tolyl thiourea, aromatic sulphinate salts and sodium diethyl dithiophosphate. The polymerizable material may optionally be pigmented or contain a filler.
Patent GB-1149558-A (GB)
Title: Surgical cautery devices
Inventor: JACKSON RICHARD ROBERT
IPC: A61N1/06
Filed: 1966-12-13
Abstract: 1,149,558. Cauterising and suction devices. R. R. JACKSON. 13 Dec., 1966 [20 Dec., 1965], No. 55666/66. Heading A5R. A cautery or cutting electrode comprises a handpiece 16 having a metal tissue-contacting tip 22 connected to a power supply (12) which is controlled by a pressure-responsive switch (32) located remote from the handpiece and actuated through a fluid control line (30) by fluid pressure means secured to the handpiece 16. The metal tip 22, which is hollow for applying suction, is connected through a nozzle 18 on the handpiece to a vacuum source and, through a connector 24 on the handpiece and a power line (14), to the power supply (12). The vacuum becomes operative at the tip 22 when an opening 21 in the handpiece is closed by the operator's thumb. A tube 28 having a port 29 is connected between the fluid control line (30) and a bleed tube 26 communicating with the nozzle 18 so that when the opening 29 is closed by the operator's finger, pressure in the control line is reduced to actuate the switch for energising the tip 22. Alternatively the cautery may be in the form of forceps (37, Figure 3) or a pencil (50, Figure 4) to which a squeeze bulb which is connected to the control line, is secured. Pressure on the squeeze bulb increases the pressure in the control line to actuate the switch. The squeeze bulb may comprise a resilient annular wall (70, Figure 6) sealed at its edges around the handpiece. The squeeze bulb may be connected to two power supply control switches (32b, 32c) which are responsive to different pressures applied to the squeeze bulb for supplying the cautery with energy for cauterising or for cutting, respectively. Alternatively, two squeeze bulbs or a squeeze bulb divided into two chambers may be provided.
Patent GB-1283235-A (GB)
Title: Production of propylene oxide
Inventor: MCCAIN COLIN CHRISTOPHER
IPC: B01J27/02
Filed: 1969-11-14
Abstract: 1283235 Olefin oxidation catalysts BP CHEMICALS Ltd 8 Oct 1970 [14 Nov 1969] 55840/69 Heading B1E [Also in Division C2] Catalyst for use in the oxidation of propylene to propylene oxide comprises (a) silver in elemental form, (b) selenium or tellurium in elemental form or in the form of a compound, for example selenide, selenite or selenate, and, optionally, (c) inert support material, for example pumice, silica or silicon carbide. The catalyst may contain from 0.001 to 0.05 parts by weight of selenium or tellurium per 100 parts by weight of silver. The catalyst may be prepared by a process which comprises preparing elemental silver powder by reducing, for example with glucose or dextrose, silver oxide obtained by precipitation from a solution of a silver salt, for example silver nitrate, and thereafter treating the silver powder, optionally after supporting an inert material aforesaid and/or compressing into pellets or discs, either with elemental selenium or tellurium or with an organoselenium or organotellurium compound. Examples relate to unsupported catalyst containing 0.017 or 0.03 atoms of selenium per 100 atoms of silver (Example 1) or 0.024 or 0.035 atoms of tellurium per 100 atoms of silver (Example 2), dimethyl selenide or dimethyl telluride being used in the preparation of the catalyst which is used in the form of 2-3 mm granules obtained by breaking compressed discs of one inch diameter.
Patent GB-1203050-A (GB)
Title: Process for preparing formanilides
IPC: C07C/
Filed: 1967-12-13
Abstract: 1,203,050. Formanilides. E. R. SQUIBB & SONS Inc. 13 Dec., 1967 [22 Dec., 1966], No. 56648/67. Heading C2C. Formanilides of the Formula I wherein R and R<SP>1</SP> are the same or different and are H, halogen, -CN, -NC, -N 3 , C 1-6  alkyl, C 1-6  alkoxy, halomethyl, halomethylmercapto, halomethoxy, or N,N-di(C 1-6  alkyl)sulphamoyl, X is O or S, Y is halogen and B is C 1-6  alkylene are prepared by reacting the corresponding ohydroxyformanilide or o-mercaptoformanilide with the appropriate o-halophenyl-(C 1-6  alkyl) halide in the presence of a base.
Patent GB-1440318-A (GB)
Title: Liquefied gas tankers
IPC: F17C9/02
Filed: 1972-12-08
Abstract: 1440318 Marine propulsion using vaporized cargo CONCH INTERNATIONAL METHANE Ltd 5 Dec 1973 [8 Dec 1972] 56870/72 Headings B7A and B7V A liquefied gas cargo vessel has a system for augmenting the natural boil-off rate of the cargo. The system comprises an ejector 11 having a chamber 12 housing a Venturi nozzle 13 associated with at least one of the thermally insulated cargo tanks 4 of the vessel via a pump 10 in the tank. The pump is connected to the Venturi nozzle via a vaporizer 9 and the chamber of the ejector is connected to vapour space 3 of each cargo tank. In the embodiment described the vaporizer heats the vaporized gas to a temperature suitable for feed down line 8 to the boilers.