baber/WOPTO huggingface dataset:
Patent GB-1174169-A (GB)
Title: Process for the manufacture of preparations rich in interferon
IPC: C07K14/555
Filed: 1967-05-02
Abstract: 1,174,169. Interferon. CENTRE NATIONAL DE LA RECHERCHE SCIENTIQUE and INSTITUT NATIONAL DE LA SANTE ET LA RECHERCHE MEDICALE. 2 May, 1967 [2 May, 1966; 14 April, 1967], No. 20360/67. Heading A5B. An interferon-rich preparation is obtained by incubating live human cells (many types of which are specified, e.g. leucocytes) with an induction agent, e.g. a live virus such as parainfluenza type I virus, separating the induction agent not fixed in the cells, continuing the incubation of the infected cells, separating the interferon-containing supernatant and adjusting its pH to 6.9-7.6. The product may be purified e.g. by adsorption with a cation-exchange material buffered at pH 5.9 after dialysis against a buffer, removal of unadsorbed protein and elution with graduated phosphate/ NaCl buffer.
Patent GB-950195-A (GB)
Title: Improvements in and relating to freeze drying and similar processes
IPC: G05D23/24
Filed: 1960-06-09
Abstract: 950,195. Measuring moisture content. CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE. June 9,1960 [June 11, 1959], No. 20382/60. Heading G1N. [Also in Divisions F4 and G3] A freeze-drying process for treating a watercontaining solid substance is controlled so as to cause a measured electric characteristic of the substance to be maintained constant or to vary in a predetermined manner. A sample of a perishable organic or inorganic solid substance to be freezedried is placed in a glass container 3, Fig. 1, which is, in turn, placed in a sealed enclosure 1 evacuated by a two-stage pump (not shown). The low pressure encourages sublimation of water contained in the substance and control is necessary to prevent an undue fall of temperature in consequence. Current from a D.C. source 5 to electrodes immersed in the substance passes through a device 11 which produces a signal corresponding in magnitude and sense to deviation of the resistivity of the substance from the desired value. The signal from device 11 controls a switching unit 13 to operate a cooler 15 and/or an electric heater 14 as necessary to maintain the resistivity at a desired value. The desired value may remain constant or vary with time according to the setting of a programme device 12. The resistivity is indicated and recorded by devices 9 and 10 respectively. A thermostat (not shown) responsive to the temperature of the substance operates an alarm and prevents further heating when resistivity rises due to lack of water when the substance has been substantially de-hydrated. The Specification refers to control in accordance with the average resistivity of a number of samples. Enclosure 1 may serve for freeze-drying of the main body of the substance itself. The dielectric constant of the substance may be used instead of its resistivity.
Patent GB-372625-A (GB)
Title: Improvements in or relating to wall-plugs
IPC: F16B13/12
Filed: 1931-07-16
Abstract: 372,625. Screw sockets. SLUYTER, N., 23, Leliegracht, Amsterdam. July 16, 1931, No. 20412. Convention date, April 20. [Class 89 (i).] A screw socket is formed from a metal tube having an internal screw thread to receive the screw by which it is expanded. Longitudinal slots 1, 3 are formed alternately from each end, and ribs 6 prevent the socket turning when in use.
Patent GB-616699-A (GB)
Title: Improvements in or relating to automatic gain control circuits in thermionic valve amplifiers
IPC: H03G7/02
Filed: 1945-08-09
Abstract: 616,699. Automatic gain control. SOC. ALSACIENNE DE CONSTRUCTIONS MECANIQUES. Aug. 9, 1945, No. 20437. Convention date, Feb. 17, 1944. [Class 40 (v)] In a push-pull amplifier provided with automatic gain control, a limiter is connected in shunt with the signal channel in order to avoid instability when a, strong signal is suddenly applied. The gain of the stage 1 in a push-pull amplifier is controlled from a rectifier 7. which is fed from the output transformer 5, a delay bias being applied via the terminal 11. The limiter 8 is connected across the primary of the transformer 5 and is given a greater bias via the terminal 18. The biasses may be adjusted while maintained in constant ratio by utilizing the voltage drop across two resistances carrying the same adjustable current. The time-constant of the limiter network 17 is perferably shorter than that of the rectifier load 13.
Patent GB-1491838-A (GB)
Title: Test paper for determining the peroxide value of oils and fats
IPC: G01N31/00
Filed: 1976-05-18
Abstract: 1491838 Determination of the peroxide value of oils and fats ZAIDAN-HOJIN SUGIYAMAº SANGYO KAGAKU KENKYUSHO 18 May 1976 [19 June 1975] 20439/76 Heading G1B A test paper for determining the peroxide value of oils and fats comprises a glass-fibre paper or cloth which has been impregnated with a starch and potassium iodide reagent solution and dried. The reagent solution may also include a reducing agent such as ascorbic acid, sodium sulfite or cysteine hydrochloride, and also citric acid to enhance the colour produced on the paper in use. A drop of the oil or liquified fat and subsequently a few drops of water are placed on the test paper and the amount of blue colour produced indicates the amount of peroxide in the oil or fat.
Patent GB-1124184-A (GB)
Title: Improvements in or relating to benzoxazolyl-1,3,4-oxdiazoles
IPC: C08K5/00
Filed: 1966-05-09
Abstract: Polymeric materials are optically brightened with compounds of formula <FORM:1124184/C3/1> wherein A1 and A2 are each Ph, diphenylyl, naphthyl, styryl, stilbenyl, benzoxazolylphenyl, 1,3,4 - oxdiazolylphenyl, 6 - benzoxazolyl, pyridyl, thienyl, phenylthienyl, benzoxazolylthienyl, phenylbenzoxazolyl or 1,3,4-oxdiazolylthienyl, B is 1,4-phenylene, 2,5-furoylene or 2,5-thienylene, and m and n are each 1 or 2, or such compounds containing monovalent non-chromophoric substituents.  In Example 8, the process is applied to a polyethylene terephthalate granulate prior to spinning, or the brightener is added to the starting material before or during the polycondensation leading to the polyester.  In Example 9, the brightener is added to a polycaprolactam-TiO2 composition; a polyamide from hexamethylenediamine adipate may be brightened similarly.ALSO:The invention comprises compounds of formula <FORM:1124184/C2/1> wherein A1 and A2 are each Ph, diphenylyl, naphthyl, styryl, stilbenyl, benzoxazolylphenyl, 1,3,4 - oxdiazolylphenyl, 6 - benzoxazolyl, pyridyl, thienyl, phenylthienyl, benzoxazolylthienyl, phenylbenzoxazolyl or 1,3,4-oxdiazolylthienyl, B is 1,4-phenylene, 2,5-furoylene or 2,5-thienylene, and m and n are each 1 or 2, and such compounds containing monovalent non-chromophoric substituents. These compounds are prepared by ring closure of a corresponding diacylhydrazine or bis-(diacylhydrazine) with excess SoCl2 at an elevated temperature.ALSO:Synthetic, semisynthetic or natural organic fibrous, e.g textile materials are optically brightened by treatment in aqueous medium with compounds of formula <FORM:1124184/D1-D2/1> wherein A1 and A2 are each Ph, diphenyl, naphthyl, styrly, stilbenyl, benzoxazolylphenyl, 1, 3, 4-oxdiazolylphenyl, 6-benzoxazolyl, pyridyl, thienyl, phenylthienyl, benzoxazolylthieryl, phenylbenzoxazolyl or 1, 3, 4-oxdiazolylthienyl, B is 1, 4-phenylene, 2, 5-furoylene or 2, 5-thienylene, and m and n are each 1 or 2, or such compounds containing monovalent non-chromophoric substituents. In example 7, the process is applied to a polyester fabric in pressure of octa-oxyethylated p-tert-octylphenol, followed by drying at 100 DEG C and heating at 220 DEG C.  Numerous fibrous materials are listed in the specification.
Patent GB-148531-A (GB)
Title: Improvements in bow collectors for electric railways in which the slip piece is adapted to turn upon its longitudinal axis
IPC: B60L5/20
Filed: 1920-07-10
Abstract: 148,531. Conradty, C., [Firm of]. April 28, 1916, [Convention date]. Bow collectors.-The contact piece of bow collectors consists of carbon sections 1 mounted on a carrier connected mechanically and electrically to the bow 4 by means of leaf springs 6. These springs are connected to a piece 7, Figs. 1, 3, riveted to the closing-piece 5 mounted on the carrier. For scissors bows, Fig. 8, the springs are connected to a web 8 riveted directly to the carrier.
Patent GB-478183-A (GB)
Title: Electric soldering device
IPC: B23K3/06
Filed: 1937-07-26
Abstract: 478,183. Soldering - tools. KONIG, R., and ALBIETZ, O. July 26, 1937, No. 20622. Convention date, Aug. 6, 1936. [Class 83 (iv)] An electric soldering-tool consists of a handle on which is fixed a stationary contact electrode b of high resistance, such as of carbon and an electrode c of solder wire fed from a spool d in the handle by pressure on a knob f, the circuit being closed when. both electrodes touch the work. The two electrodes are thus arranged close together without touching each other and by arranging them at an acute angle with respect to each other, the distance between them may be varied.
Patent GB-941166-A (GB)
Title: Phosphors
IPC: C09K11/82
Filed: 1962-05-29
Abstract: A phosphor comprises a cerium-activated orthophosphate of lanthanum, yttrium, and/or lutecium.  In a preferred example, the mol. ratio of cerium to the lanthanum or yttrium orthophosphate is between 0.0001 and 0.10 to one, preferably 0.01 to one.  In a preferred method of preparation, aqueous solutions of lanthanum nitrate and serium nitrate are mixed in such proportions that the mol. ratio of Ce/La is about 0.01, and the mixed solution is neutralized to a pH of 5 by addition of sodium, potassium or ammonium hydroxide.  An aqueous solution of ammonium hydrogen phosphate (NH4)2HPO4 is then added with constant stirring to produce a co-precipitate of lanthanum and cerium phosphates, which is filtered and dried at 100 DEG  C. in air.  The final phosphor is then obtained by firing in an atmosphere of nitrogen at 1000 DEG  C. for one hour. The phosphor emits ultra-violet light having a spectral peak of about 3400 <\>rA when excited by cathode-rays and has a luminescence decay time of about 24 nanoseconds.  Modifications on the above process are stated and many examples of phosphors are given.  The phospor is used in a cathode-ray tube, e.g. in a flying spot scanner. Reference is made to a Ca2HgSi2O7:Ce, Li phosphor.
Patent GB-1009290-A (GB)
Title: Thermoplastic resin foam sheet and containers made therefrom
IPC: B65D81/02
Filed: 1964-05-20
Abstract: A sheet of thermoplastic resin foam comprises a foam resin core, a non-porous resin outer skin and a non-porous resin inner skin, the core being integrally united to the skins and comprising 50 to 90% of the total thickness of the sheet, one of the skins being thicker than the other skin.  Preferably, one skin is 2 to 5 times as thick as the other.  The sheet is made by extruding a hot sheet of foamable thermoplastic resin composition, rapidly chilling the outer and inner surfaces of the sheet to prevent expansion thereof and to form outer and inner skins while permitting the still warm core of the sheet to expand.  Materials which can be used in this process include cellulose ethers and esters, homopolymers and interpolymers of monomeric compounds containing the CH2=C< grouping such as olefins, vinyl halides, vinyl esters of carboxylic acids, vinyl ethers, unsaturated carboxylic acids and derivatives thereof, interpolymers of the above mentioned vinylidene monomers with a ,b -unsaturated polycarboxylic acids and derivatives thereof, polycarbonates, polyurethanes, polyethylene terephthalate and nylon.  Particularly preferred are homopolymers of vinylidene aromatic hydrocarbons and ring halogenated derivatives thereof, and interpolymers of such vinylidene monomers with each other and with other vinylidene monomers in which the interpolymer contains at least 70% of the vinylidene aromatic hydrocarbon compound. Thermoplastic styrene polymers containing at least 70% by weight of styrene in the structure are best for many uses.  The sheets can be made into containers.
Patent GB-243096-A (GB)
Title: Improvements in vehicle spring wheels
IPC: B60B9/26
Filed: 1924-09-03
Abstract: 243,096. Milner, D. Sept. 3, 1924. Spring wheels.-A wheel of the kind in which an elastic rim is supported from a rigid hub by blade springs, comprises Z, or straight-sided C-, spring spokes having straight radial portions 1 between the hub and rim. As shown in Fig. 1, rivets 5 secure the overlapping spoke limbs 4 to the hub 6, the overlapping limbs 2 of the springs forming the rim and being secured together by rivets 3. Discs 7 on the hub carry the edges 9 of a beaded cover 10.
Patent GB-995684-A (GB)
Title: Container for pressure fluid
Inventor: LEER OSCAR JACQUES VAN
IPC: F17C1/16
Filed: 1963-05-24
Abstract: 995,684. Storing liquefied gas. METAL CONTAINERS Ltd. May 22, 1964 [May 24, 1963], No. 20815/63. Heading F4P. A container for storing liquefied gas, e.g. butane, comprises a porous shell 11, 12 provided with an internal lining 13 impermeable to gas and liquid at normal temperatures, but permeable when heated to a predetermined temperature so that dangerously high pressures are prevented from building up in the container. The porous shell comprises an inner wall 12 and a snugly fitting outer wall 11, both formed from resin impregnated fibres. The lining 13 may be made of a material including a copolymer of epoxy resin and a synthetic rubber on the base of alkenepolysulfide; a monopolymer of alkenepolysulfide; an epoxy/polyester copolymer; or a polyester based on isophatalic acid and/or adipic acid.
Patent GB-810715-A (GB)
Title: Anti-corrosion compositions
IPC: C10L1/18
Filed: 1957-07-02
Abstract: An anti-corrosive composition comprises (1) an hydrocarbon oil, (2) a minor proportion by weight of the reaction product between a C8-C24 fatty acid and ethylene diamine or diethylene triamine, and (3) a minor proportion by weight of one or more naphthenic acids. Ingredient (2) may be an amine salt, an amido-amino compound, an amido-ethane compound or an imidazole compound, and may be derived from such fatty acids as lauric, stearic, oleic or ricinoleic acid. The hydrocarbon oil may be a mineral oil and the composition may contain additional ingredients such as antioxidants, extreme pressure agents and metal deactivators.  In examples, steel plates are coated with mineral oil compositions containing naphthenic acids and the amido-amine obtained by the condensation of ethylenediamine with oleic or ricinoleic acid.  The effect of replacing the naphthenic acids with oleic acid or peanut fatty acid is described.
Patent GB-757721-A (GB)
Title: Fuel supply systems for liquid fuel engines
IPC: F02C7/224
Filed: 1953-07-29
Abstract: 757,721. Gas turbine plant. DE HAVILLAND ENGINE CO., Ltd., HALFORD, F. B., and CROSSLAND, P. July 20, 1954 [July 29, 1953], No. 20997/53. Class 110(3) [Also in Group I] An engine fuel supply system comprising means for feeding the fuel, at a relatively low pressure, through a filter to a variable capacity pump, the capacity of which is varied in accordance with one or more variables, has means for overriding the influence of these variables so that the pump delivers a quantity of fuel in excess of engine requirements, a relief valve on the discharge side of the pump to tap off the excess fuel and means for recirculating some of the excess fuel through the filter. Fuel from a tank 10 is delivered by a low pressure pump 11 to a low pressure filter 12. At the outlet of the filter the fuel is divided into two streams 13, 14 which pass to pumps 15, 16. Each of the pumps 15, 16 is of the variable delivery type having a servo control dependent upon the pressure in a control pipe 17, a - servo isolating valve and an overspeed governor. The servo isolating valves can be actuated by a pilot's control 20 or by a pressure-sensitive device 21. Preferably the isolating valves are electrically actuated. Under normal operating conditions, the output of the pumps 15, 16 is controlled by a barometric control 23 and an air-fuel ratio control 24. The pumps 15, 16 discharge through a pipe 27, control unit 28 and high pressure filter 31 to the burners 35. The control unit 28 is controlled by the throttle lever 29 and in dependence upon any other variables that may be required. A tapping 36 from the discharge of the pumps 15, 16 leads through a relief valve 38 to the inlet side of the low pressure filter 12. A by-pass 39 with a non-return relief valve 40 is provided to prevent the pressure drop across the filter 12 becoming excessive. A part of the fuel flowing through the by-pass 37 may be fed to jets in the filter arranged so as to dislodge any particles adhering to the filter element. When the pressure drop across the filter 12 becomes excessive, due to freezing, the device 21 may be arranged to give a signal to the pilot who then actuates the servo isolating valves and adjusts the pumps to their maximum delivery. This causes the pressure in pipe 27 to rise and open the valve 38 to allow fuel to recirculate through the by-pass 37 and filter 12. The device 21 may be arranged as shown to automatically actuate the isolating valves.
Patent GB-950955-A (GB)
Title: Electrical arrangements for automatically controlling the speeds of rotating members
IPC: H02P23/00
Filed: 1960-06-15
Abstract: 950, 955. Automatic speed control. LICENTIA PATENT-VERWALTUNGS-G. m. b. H. June 15, 1960 [ June 15, 1959; Sept. 18, 1959], No.21011/60. Heading G3R A train of pulses whose frequency represents the speed of a shaft to be controlled is compared at point 11 with a train representing the speed of a pilot shaft, the differential pulses being applied to a counter 12 which affords a measure of the angular displacement between the shafts. A digitalanalogue converter 14 provides a voltage representing the angular displacement, and this voltage is added at point 2 to another voltage which is proportional to the pilot speed, the resultant voltage being supplied to a speed regulator 3 for correcting the velocity of the controlled shaft. The speed regulator may comprise an internal feed-back loop circuit. In the event of large angular deviations,the output of the converter 14 is restricted, the excess pulses being stored in the counter 12 so that correction may be made at a lower rate. In another arrangement, the output voltage of the converter 14 is integrated to provide an additional corrective voltage, Fig. 2 (not shown). The pulse train representing the pilot speed may be derived from a pulse generator associated with the pilot shaft and connected to a counter and a frequency multiplier. The output of the multiplier is supplied to a frequency divider which is adjustable in fine stages to provide a pulse train corresponding to a desired speed ratio, and is also applied to a fixed frequency divider for feed-back to the input of the counter, Fig. 3 (not shown). In a modification, the train of reference pulses has a constant frequency and is derived from a quartz crystal.
Patent GB-149248-A (GB)
Title: Atomizing carburetter capable of use with non-volatile carburents
IPC: F02M7/11
Filed: 1920-07-12
Abstract: 149,248. Violet, M. A. July 28, 1919, [Convention date]. Spray carburettors.-A carburettor which can be used with the heavier fuels and in which the fuel is reduced to a state of mist, comprises a carburetting chamber h with an air inlet valve i and a funnel j which directs the air over a nozzie k. Directly above the nozzle is an opening communicating through a pipe g with the top of the float chamber a which is otherwise hermetically sealed. The valve i may be on the engine side of the jet, but this arrangement is not so effective as that described above.
Patent GB-670368-A (GB)
Title: Improvements in hospital stretchers
IPC: A61G7/10
Filed: 1949-08-12
Abstract: 670,368. Stretchers. CULLEN, C. H. June 1, 1950 [Aug. 12, 1949], No. 21061/49. Class 108(i) A stretcher comprises side rails 8 .and end rails 9 detachably secured by hand-nuts 24 which engage studs 23 secured to semicircular brackets 25 carried by the end rails 9. The bed comprises lengths of canvas &c. of tubular form which engage the side rails 8. Specification 617,950, [Group XXX], is referred to.
Patent GB-1424523-A (GB)
Title: Phosphorus-containing compositions
IPC: C06B39/00
Filed: 1972-05-05
Abstract: 1424523 Coated red phosphorus; smokegenerating compositions ALBRIGHT & WILSON Ltd 2 May 1973 [5 May 1972] 21061/72 Headings C1A and C1D [Also in Division C3] Powdered red phosphorus is coated with a liquid unsaturated organic compound which has autoxidized or will autoxidize in air to form a resin. The organic compound may be a vinyl compound, an unsaturated carboxylic acid or a methyl, ethyl, or glyceryl ester thereof, or a drying oil, many examples of suitable compounds being given. Autoxidation may be accelerated by heating the coated particles. The coated phosphorus may be added as a flame retardant to a synthetic resin, several types of which are specified. The coated phosphorus may also be used in mixture with an oxidizing agent to form a smoke generating composition in a sea marker; the oxidizing agent may be a metal carbonate or an alkali metal or alkaline earth metal sulphate; oxalic acid or urea (see Specification 1,424,524) may be present to generate an inert gas. In examples: (1) powdered red phosphorus is coated with linseed oil and heated; (2) a sea marker composition is made by mixing powdered red phosphorus, linseed oil, urea, and anhydrous calcium sulphate.
Patent GB-586298-A (GB)
Title: Improvements relating to shaft couplings
IPC: F16D3/68
Filed: 1944-10-30
Abstract: 586,298. Universal couplings. LAGONDA, Ltd., and GREEN, G. W. A. Oct. 30, 1944, No. 21098. [Class 80 (ii)] A flexible shaft coupling suitable for the driving shaft of a fuel injection pump of the camshaft type for an internal-combustion engine comprises flanged coupling members 1, 2, Fig. 3, between which is a floating disc 3 having slots 4, Fig. 1, to accommodate dogs 5, 5 and 6, 6 secured by bolts 10 to the members 1 and 2 respectively, the dogs and the sides of the slots being connected by bonded rubber sandwiches 7 whose thickness is from one-sixth to one-tenth of their transverse dimensions. One of the members is provided with arcuate slots for the bolts to facilitate relative angular adjustment of the members 1, 2.
Patent GB-459352-A (GB)
Title: A device for extinguishing lighted cigarettes or cigars
IPC: A24F19/14
Filed: 1936-07-30
Abstract: 459,352. Cigar &c. extinguishers. LOCHNER, C. C. F., Woodcote Grove, Epsom, Surrey. July 30, 1936, No. 21129. [Class 130] A cigar or cigarette extinguisher consists of a phial c containing liquid and provided with a large filling opening c<1> and with a smaller opening c<3> in a nozzle c<2>, so that a cigar &c. can be extinguished by contact with the opening c<3>. As shown, the opening c<1> is closed by a cap d and the device stands in a recess b in an ash-tray a. The opening c<3> may be formed in a separate fitting or attachment secured to the phial.