baber/WOPTO huggingface dataset:
Patent GB-1501476-A (GB)
Title: Process for the preparation of reactive penicillanic acid and cephalosporanic acid derivatives and a process for the preparation thereof
IPC: A61P31/04
Filed: 1975-07-30
Abstract: 1501476 Preparation of penicillanic and cephalosporanic acid compounds CHINOIN GYOGYSZER ES VEGYESZETI TERMEKEK GYARA RT 30 July 1975 [30 July 1974] 31937/75 Heading C2C Acid amides of Formula I or salts thereof, wherein R<SP>1</SP> is H or an easily removable ester-forming or a salt-forming group, R<SP>2</SP> is H, an alkyl group optionally having an aryl heterocyclic substituent, an alkenyl group, an alkaryl group or an aryl, aralkyl or heterocyclic group optionally having one or more substituents, R<SP>3</SP> is H or a salt-forming group, or an optionally substituted aryl, alkyl cycloalkyl or aralkyl group, and X is a group of the formulµ are obtained by acylating a compound of the general Formula II wherein R<SP>4</SP> is an easily-removable ester group or a salt-forming group, using as acylating agent an ester of the general Formula III wherein R<SP>5</SP> is optionally substituted aryl, alky cycloalkyl, or aralkyl, and if desired, substituents R<SP>4</SP> and/or R<SP>5</SP> is/are split off, and/or if desired the obtained product is converted into its salt or a salt is converted into the free acid. When the compound of Formula III is a dipentachlorophenyl ester of a substituted ma- Ionic acid the resulting novel product of Formula I in which R<SP>3</SP> is pentachlorophenyl, may be further reacted with an alcohol or phenol of the general formula R<SP>3</SP>OH to form a product of Formula I in which R<SP>3</SP> is as defined above.
Patent GB-1222148-A (GB)
Title: Desensitised explosives
Inventor: BERTHMANN A
IPC: C06B23/00
Filed: 1968-07-04
Abstract: 1,222,148. Explosive compositions. DYNAMIT NOBEL A.G. 4 July, 1968 [20 July, 1967], No. 32064/68. Heading C1D. An explosive composition contains a fusible aromatic nitro compound and, as a desensitizing agent, a wax obtained by chlorinating naphthalene and refining the product. The wax dissolves in the nitro compound and provides compositions of higher density than similar compositions containing paraffin wax. The aromatic nitro compound may be TNT, used alone or in conjunction with Al powder, hexogen, tetryl, or PETN; in one example the explosive composition contains tetryl, hexogen, and trinitrobenzene. Paraffin wax may supplement the chlorinated wax.
Patent GB-998345-A (GB)
Title: Production of polymer latices
Inventor: SYMCOX ROBERT OWEN
IPC: C08F2/22
Filed: 1963-08-14
Abstract: A latex containing at least 25% copolymer is produced by copolymerizing an aliphatic monoolefine and a diester of an olefinically unsaturated dicarboxylic acid in an aqueous emulsion containing as emulsifying agents an alkali metal salt of an alkylbenzenesulphonic acid (the acid containing an at least C6 alkyl group) and a condensation product of ethylene oxide (e.g. 4-25 units) and an at least C5 alcohol.  The mono-olefine may be iso-butylene, ethylene, propylene or n-butylene and the ester may be di-(ethyl or n-butyl) fumarate. The alkali metal salt may be sodium dodecylbenzenesulphonate and the condensate may be derived from 21 mols. ethylene oxide and 1 mol. lauryl alcohol.  The emulsion may contain 2-7% of each emulsifier and the latex may contain 30-55% of solids. In an example, the emulsion system contained potassium perdisulphate and ethylene diamine tetra-acetic acid during the polymerization.
Patent GB-828661-A (GB)
Title: Process for the hydrogenation of unsaturated fatty acids and esters thereof
Inventor: SZABO DENIS
IPC: C11C3/12
Filed: 1957-10-15
Abstract: Unsaturated fatty acids or esters thereof are hydrogenated in the vapour phase with a fluidized catalyst and at a pressure substantially less than atmospheric pressure.  The acyl group of the fatty acid preferably contains 10 to 24 carbon atoms, e.g. oleic, linoleic and linolenic acids.  The methyl and ethyl esters are the preferred esters.  Mixtures of unsaturated acids from natural oils, e.g. whale or sunflower, may be used.  The unsaturation may be ethylenic or acetylenic.  The hydrogenation may be partial (in which case it may be selective) or complete. It is preferred to remove dissolved air from the starting materials.  Suitable catalysts include nickel or palladium with or without a carrier, suitably having a particle size of 60-120 microns diameter.  Reaction pressures are generally below 600 mm., e.g. 40-200 mm.  Temperatures are suitably above 150 DEG  C., e.g. 200-260 DEG  C. for C12-24 acids.  A moving fluidized bed may be used in which catalyst is carried over by the effuent gases, recovered and recirculated to the base of the reactor.
Patent GB-1354721-A (GB)
Title: Methods and apparatus for measuring the thickness of filter cakes on filter elements
IPC: B01D35/14
Filed: 1971-07-09
Abstract: 1354721 Monitoring thickness of filter cake SEITZ-WERKE GmbH 9 July 1971 [10 July 1970] 32319/71 Heading B1D The attainment of a predetermined thickness of filter cake on uppermost filter element 31 is detected by continuously drawing off liquid through a vertically adjustable filter body 13, whose lower surface includes a by-pass opening (18) adapted to be closed by the filter cake on the upper surface of element 31, such closure causing body 13 to act as a filter so that the drawn off liquid suddenly changes from unfiltered slurry to clear filtrate, the change be observable visually or detected by a turbidity meter at window 28. The meter may automatically switch off slurry pump 36 and actuate signal 45. Fig. 1 (not shown) illustrates the construction of flat two-sided filter body 13 and its mouting on an axially adjustable spindle carrying, outside the filter housing 30, a scale indicating the distance between body 13 and element 31 and hence the predetermined thickness at which the signal will be given. Fig. 2 shows the use of body 13 in a multi-element filter using filter aid, which is added to reservoir 33 through which slurry is circulated via 35, 36, 30, 31, 37, 38 and 39 to deposit the filter aid on elements 31 as an initial step. Thereafter slurry is delivered through line 34 and reservoir 33, and valve 38 is switched to discharge filtrate through line 40. Reservoir 33 is under atmospheric pressure so that pump 36 causes the drawn off liquid to flow through filter body 13 and line 41 to reservoir 33. Filter aid may be continuously added to the slurry during filtering. The body 13 can be used to measure the thickness of cake on element 31 when filtering therethrough is interrupted, the body being progressively lowered until the change from slurry to filtrate is observed and scale (22) then indicating the cake thickness.
Patent GB-909878-A (GB)
Title: Improvements in or relating to the manufacture of derivatives of nitrofuran
IPC: C07D401/12
Filed: 1960-09-21
Abstract: The invention comprises 1-hydroxymethyl-3 - (5 - nitrofurfurylideneamino) - 2 - imidazolidinethione, its preparation by heating under reflux 1 - (5-nitrofurfurylideneamino) - 2 - imidazolidinethione (which compound and its preparation are claimed in Specification 850,006) and an aqueous formaldehyde solution, and pharmaceutical compositions containing the compound as active ingredient.  Pharmaceutical compositions have antibacterial activity and may be administered orally (e.g. as tablets, powders, elixirs, solutions, suspensions or capsules) or parenterally.
Patent GB-157641-A (GB)
Title: Agricultural implement for stubbing roots
IPC: A01B35/26
Filed: 1919-12-29
Abstract: 157,641. Hudson, J. T. Dec. 29, 1919. Cultivators and hoes.-An implement for stubbing the roots of heather, briars, gorse, bracken, &c., comprises a subsoil plough frame 1 to which is detachably fitted a double sock 2 having at each side teeth 3 which engage the roots. A coulter or lifter 5 is secured to the point 4 of the sock and also by bolts 7 or by a socket joint to the plough beam 9. In a modification, a combined sock and lifter is socket-jointed in place of a plough point on an ordinary subsoil plough frame and secured by bolts to the plough sole-plate and by a clamp to the beam. The frame is provided with an adjustable wheel 15 and wide handles 16.
Patent GB-193973-A (GB)
Title: Improvements in loose leaf binders
IPC: B42F13/00
Filed: 1921-12-03
Abstract: 193,973. Gilbert, A. Dec. 3, 1921. Post files.-A screw post for a loose-leaf binder, consisting of a sleeve 1 and a screw 4, has the head of one of the parts of non-circular form so as to seat in a corresponding recess in one cover of the binder, whereby rotation of that part is prevented when the other part is turned. The head may be oval, rectangular or have two parallel sides 3 with rounded ends, and the end 8 of the sleeve is preferably conical.
Patent GB-1400765-A (GB)
Title: Elastic couplings
IPC: F16D3/19
Filed: 1972-07-13
Abstract: 1400765 Flexible shaft couplings H G SYMANN 13 July 1972 [16 July 1971] 32747/72 Heading F2U A flexible shaft coupling comprises external teeth 2a on coaxial input and output rings 1, 2, located between internal teeth 4a on a third ring, there being single piece 3 of elastomer having one part sandwiched between the teeth 2a and 4a, and another between the teeth 4a and those on the ring 1. The piece 3 may have a flange 3a to damp axial vibrations. The rings 1, 2, may have internal splines 1b, 2b.
Patent GB-618560-A (GB)
Title: Heat resistant machinable alloy with high strength while hot
IPC: C22C32/00
Filed: 1946-11-04
Abstract: A heat resistant machinable alloy, particularly suitable for apparatus, machines and furnaces working at high temperatures, having mainly a face centred cubic crystal structure and having high strength when hot, comprises 0.05-0.5 per cent of carbon, 0.20-2.5 per cent of silicon, 0.2-1.5 per cent of manganese, 7-80 per cent of nickel and/or cobalt, 11.5-30 per cent of chromium, up to 10 per cent each of one or more of tungsten, molybdenum, vanadium and antimony and the remainder iron, and comprising in addition up to 7.5 per cent in total of carbides of one or more of titanium, vanadium, zirconium, niobium, molybdenum hafnium tantalum, tungsten and thorium and finely divided particles of one or more strongly oxide-forming metals in total amount up to 12 per cent.  The oxide-forming metals may be lithium, beryllium, magnesium, calcium, copper, strontium, zirconium, barium, cerium or thorium.  The finely-divided particles of carbides and oxides may be added to a molten alloy or mixed in the alloy in a powder-metallurgical manner, or the basic elements composing the oxides and/or carbides may be added to a melt in stoichiometrical relation to each other.  Thus a suitably proportioned amount of oxygen may be added to a melt followed by a metal having a strong affinity for oxygen.  The oxygen content of the melt may be increased by using a melt rich in oxygen, by blowing in oxygen or by using the oxygen-containing atmosphere surrounding the melt at a higher pressure.  The oxide-forming components may be added simultaneously with, before or after the carbide-forming metals.
Patent GB-1527159-A (GB)
Title: Method and a device for controlling the supply of fuel to internal combustion engines
IPC: F02D41/34
Filed: 1976-08-06
Abstract: 1527159 Automatic control of fuel ignition in IC engines NIPPONDENSO CO Ltd 6 Aug 1976 [8 Aug 1975] 32770/76 Heading G3N Excessive ignition of fuel during engine deceleration is prevented by inhibiting the fuel injection pulses if the duration computed from the engine speed and air quantity is smaller than a predetermined duration and, at the same time, a predeter mined engine speed is exceeded. In the circuit shown, a computing circuit 4 responds to air quantity to produce pulses tp which trigger monostable circuit 12 thus producing standard length pulses A which are applied to the base of transistor 122 and emitter of transistor 120 in gate circuit 16. The pulses tp are applied to the emitter and base of transistors 122, 120 respectively so that if the pulse tp is longer than pulse A output terminal 126 is energized whereas if the pulse A is longer terminal 125 is energized and the bi-stable 14 set to enable one input of AND gate 152. The second input to AND gate 152 is energized only when the voltage output of D/A converter 15, which corresponds to engine speed exceeds the threshold voltage set by resistor 140 in comparator 16. Operation of AND gate 152 causes transistor 154 to conduct to short circuit the input of injection valve controller 10. An OR gate 9 is provided to introduce modifications to the pulse length to account for engine ambient conditions and supply voltage variations.
Patent GB-1351648-A (GB)
Title: Process and apparatus for the stufferbox crimping of yarn
IPC: D02G1/12
Filed: 1971-07-13
Abstract: 1351648 Crimping chambers; threading AKZO NV 13 July 1971 [14 July 1970] 32832/71 Heading D1F A yarn being threaded through a stuffer box crimping chamber is temporarily discharged via a suataon device which only operates when a sensor senses a sufficiently large yarn wad in the chamber. Suction device 25, Fig. 1, is used to discharge yarn from chamber 10 and is controlled via air valve 27 by a sensor comprising light 16 and cell 17. The device 25 when sucking prepared yarn, e.g. from spinneret 2, may be moved manually so that the yarn end is led around the yarn path, the chamber 10 having a hinged wall to allow the end to be passed through the chamber. The chamber may comprise, Fig. 2 a crimping chamber 10 closed by weighted flap 12 and a further chamber 13 closed by sprung flap 15. The sensor may alternatively by a switch responsive to the position of flap 12 or 15. Rollers 8, 9 or a fluid stream may be used to stuff the yarn.
Patent GB-522425-A (GB)
Title: Improvements relating to the manufacture of composite materials and means therefor
IPC: B29C63/04
Filed: 1938-11-11
Abstract: 522,425. Compound sheet materials; folding and binding edges. DAWKINS, R. E. Nov. 11, 1938, Nos. 32850/38 and 27726/39. [Classes 42 (i) and 140] Material such as paper and cardboard having a layer of cellulosic material such as that known under the Registered Trade Mark " Cellophane " extending over one surface, over the edge and in part at least over the other surface, is made by applying the protective layer to the basematerial as the latter is unwound from a reel and re-reeled. The protecting material projecting beyond the base material on one or both sides may be adhered thereto in a machine of the kind described in Specification 444,652, the means for turning over the projecting portion being situated between the adhesive applying means and the re-reeling device as shown in Fig. 3, the compound sheet material from pressing rolls 1, 1 passes over a backing plate 9 to which is attached a plough-like member 5 which turns in the protective layer which is prevented from springing back by guide rolls 7 frictionally or power driven. The margin is. finally pressed on to the base by a weight-orspring-loaded roll 14. In alternative means for folding the edge of the protective material shown in Fig. 7, one or more fingers 15 are adjustably mounted on a rod 17 which is connected by a universal joint to a supporting shaft.
Patent GB-288358-A (GB)
Title: Improvements in and relating to dyes and dyeing
IPC: C09B9/00
Filed: 1926-12-29
Abstract: 288,358. Wylam, B., Harris, J. E. G., Thomas, J., and Scottish Dyes, Ltd. Dec. 29, 1926. Dye preparations.-Substantially dry powders of dyestuffs and dyestuff derivatives, including leuco compounds and their salts and including derivatives of vat dyestuffs which can be employed for dyeing without vatting, e.g. the vat dyestuff derivatives described in Specifications 186,057, 202,630, 202,632; 203,681, 212,546, 218,649 and 220,964, [all in Class 15 (ii), Dyeing, Processes &c. for], 231,889, 245,587, 247,787, 248,802, 251,491, 258,626, 260,638, 260,647, and 261,139 are made by adding to the wet paste of the dyestuff or derivative, a substance capable of combining with the water present to form a solid crystalline or other hydrated compound containing water of crystallization or hydration, and preferably yielding an alkaline or neutral product. Anhydrous sodium carbonate is particularly suitable as the addition product, especially with the vat dyestuff derivatives referred to; it is preferably added in quantities such that the heptahydrate is formed. Addition substances capable of acting as buffer agents against acids, e.g. disodium hydrogen phosphate or fused sodium acetate may also be used, as well as neutral substances such as sodium sulphate. In examples (1) a paste obtained by adding salt to an alkaline extract of the flavanthrone derivative made by the process of example 11 of Specification 247,787 is mixed with sufficient anhvdrous sodium carbonate to yield the heptahydrate, or with anhydrous disodium hydrogen phosphate, fused sodium acetate or sodium sulphate, (2) a paste of dichlorisodibenzanthrone is converted into a dry powder by mixing with anhydrous sodium carbonate, and (3) a paste of 1-amino-2-methylanthraquinone is mixed with anhydrous sodium sulphate; the product may be used as a direct dye for acetate silk. The paste of the sodium salt of the disulphuric ester of leucoindigo may also be converted into a, dry powder by means of sodium carbonate.
Patent GB-920976-A (GB)
Title: Liquid fuel supply system
Inventor: GREGORY JAMES BIRDSEY
IPC: F02M5/10
Filed: 1960-09-26
Abstract: 920,976. Jet propulsion plant. UNION OIL CO. OF CALIFORNIA. Sept. 26, 1960, No. 32982/60. Class 110 (3). [Also in Group XXVII] A fuel system for an internal combustion engine comprises a fuel tank, an intermediate fuel reservoir, such as a carburetter chamber, connected between the tank and the engine and means at least partially to void the reservoir to the tank when the engine is stopped. The invention is applicable to jet engines including a jet engine that utilizes the surrounding air in the combustion of a liquid fuel or a rocket-type jet engine that carries a liquid fuel and all the oxygen needed for combustion. The invention is described as applied to a fuel system including a carburetter float bowl (Fig. 3). When the tank 200 is filled to the desired level, tank cap 230 seals the inlet conduit 226. The tank cap 230 is a pressure relief cap comprising a check valve 232 which maintains the fuel tank under a positive pressure between 0 and 2 p.s.i. Fuel from tank 200 is supplied to carburetter float bowl 210 via line 202, fuel pump 204, line 205, fuel pressure regulator 206 and line 208. Fuel pump 204 is an electrically operated pump which functions whenever the ignition is on. It could be a vacuum operated pump or mechanical pump. The fuel drain-back system comprises a line 220 opening from the bottom of the float bowl 210, vacuum operated drain valve 221, line 222, shut-off valve 223 and line 224 which communicates with the permanent vapour space in the fuel tank 200 via the inlet conduit 226. Fuel tank 200 is in communication with the atmosphere via line 234, vacuum operated vent valve 236 and conduit 238. The operation of valve 221 in the fuel drain-back system is controlled by a vacuum delay system comprising conduit 242, a small vacuum reservoir tank 244, a check valve 248 and a vacuum supply conduit 250. When the engine is started, vacuum-actuated valves 221 and 236 open and valve 223 closes. When the engine is shut off the closing of the valves 221 and 236 is delayed by the action of the tank 244. The vacuumactuated valves can be electrically or mechanically operated, their operation being controlled by the vacuum delay system shown or by a conventional mechanical or electric delay system. Modified arrangements are described with reference to Figs. 1, 2 and 4 (not shown). Pressure fuel injectors may draw from small intermediate fuel reservoirs located in the engine compartment.
Patent GB-1321370-A (GB)
Title: Determination of the gribhtness or optical density of an object
IPC: G03C1/005
Filed: 1971-07-14
Abstract: 1321370 Equldensity photometry AGFAGEVAERT AG 14 July 1971 [18 July 1970] 33039/71 Heading G2C The brightness or optical density distribution of an object is determined by exposing simultaneously or separately a light-sensitive material to the object and to a screen which has a plurality of different densities and then processing the material to give an image showing equidensities. Preferably the equidensity process and lightsensitive material are as described and claimed in Specification 1248071. The screen may have dots each with a range of densities; or it may have a plurality of different symbols, each symbol having a different density from the other symbols, all identical symbols having the same density.
Patent GB-449073-A (GB)
Title: Means for accelerating the reaction of chemical solutions on hair when employed for the production of permanent waves
IPC: A61Q5/04
Filed: 1935-11-30
Abstract: 449,073. Hair - waving preparations. STRONG, J. N., 3, Barston Road, West Norwood, London. Nov. 30, 1935, No. 33230. [Class 131] It is stated that the temperature at which hair can be waved is lessened and the time of treatment shortened by the addition to the reagent employed of the following substances, either separately or in combination, viz. potassium or ammonium phosphate; sodium, potassium or ammonium molybdate; ammonium oxalate; magnesium sulphate ; carbamide. Examples of such compositions are given containing (a) sodium sulphite, bicarbonate of soda, borax and ammonium oxalate, and (b) sodium sulphite, borax, ammonium carbonate, sodium bisulphite, triethanolamine, sulphonated oil, ammonia, and magnesium sulphite.
Patent GB-396781-A (GB)
Title: Improvements in machines for preparing and vending food products
IPC: G07F11/46
Filed: 1932-02-02
Abstract: 396,781. Cooking in fat and oil. SUMNER, H. C., Wyberton House, Wyberton, TAYLOR, F..J., Willington House, Kirton, and LANGLEY, F., The Hollies, Kirton, both in Lincolnshire. Feb. 2, 1932, No.33415/31. [Class 28(i)] In a coin-freed machine for cooking or heating and delivering chipped potatoes, the potatoes are delivered by a conveyer 14, Fig. 1, from a hopper 12 to a heated oil tank 15 where they rest on a perforated false bottom 16 to be cooked or heated. They are delivered by spaced plates 18 on a conveyer 17 to a hopper 20 from which they fall to a tub 21, the tub being then carried by a continuously moving perforated conveyer band 28 to a heated storage oven 29, Fig. 2.
Patent GB-1476210-A (GB)
Title: Electrical sensing apparatus for particle-analyzing device
IPC: G01N15/12
Filed: 1974-08-12
Abstract: 1476210 Particle analysis systems COULTER ELECTRONICS Ltd 12 Aug 1974 [13 Aug 1973] 33474/76 Divided out of 1476209 Heading G1N The description is similar to that of Specification 1476209 but the claims relate to measuring the resistance of the electrolyte to compensate the particle measurements.
Patent GB-930491-A (GB)
Title: Improvements in or relating to indicating devices suitable for use in indexing systems
IPC: B42F1/08
Filed: 1958-10-21
Abstract: 930,491. Index tabs. A. W. J. HARRIS. Oct. 19, 1959 [Oct. 21, 1958], No. 33532/58. Class 16. [Also in Group XXV] An index tab comprises a paper clip 1 and a sleeve 17 moulded from plastics material. The sleeve may have a distinguishing symbol moulded on one face 25 or projecting outwardly from one side edge 27.
Patent GB-778920-A (GB)
Title: Improved oleaginous compositions
Inventor: ADAMS WILLIAM HENRY
Filed: 1954-11-19
Abstract: A lubricating composition, suitable for use in metal-working operations, comprises a major proportion of chlorinated kerosine and a minor proportion of a fatty acid or natural fatty oil. Suitable fatty acids are oleic and pelargonic acids, while suitable fatty oils are whale, menhaden, neatsfoot, castor, rapeseed, cottonseed, corn, coconut, chinawood, perilla, soyabean and olive oils, lard oil and tallow.