baber/WOPTO huggingface dataset:
Patent GB-1211907-A (GB)
Title: Production of 1,2-diamines
IPC: C07D295/03
Filed: 1968-04-10
Abstract: 1,211,907. Production of 1,2-diamines. BADISCHE ANILIN- & SODA-FABRIK A.G. 10 April, 1968 [13 April, 1967], No. 17186/68. Heading C2C. A process for the production of 1,2-diamines comprises reacting a 1,2-epoxide with ammonia, a primary amine or a secondary amine in the presence of water, hydrogen and a supported hydrogenation catalyst having an internal surface area of from 0À1 to 1200 m.<SP>2</SP>/g., the reaction being carried out at elevated temperature and superatmospheric pressure. Preferred catalysts are supported catalysts containing cobalt, nickel, platinum, palladium or ruthenium with an activator, if desired, such as copper, chromium or manganese, and a content of an inorganic pyroacid or polyacid, e.g. polyphosphoric acid, tetraboric acid or pyrosulphuric acid. The preparation of propylenediamine (1,2) is exemplified. Suitable epoxides include aliphatic, cycloaliphatic and styrene epoxides. Suitable amines include heterocyclic amines.
Patent GB-1112788-A (GB)
Title: Lubricant compositions
Inventor: ECKERT RUDOLPH JOSEF ALBRECHT
IPC: C10M145/14
Filed: 1967-04-14
Abstract: Lubricant compositions contain a copolymer of an olefin containing at most 6 carbon atoms per molecule with an alkyl ester of an unsaturated carboxylic acid and an ester of an unsaturated carboxylic acid in which the part of the molecule derived from the alcohol contains at least one free hydroxyl group.  In the examples, copolymers of ethylene, lauryl methacrylate (optionally together with stearyl methacrylate) and methacrylic acid are produced in solution in benzene and tert-butanol using azodiisobutyronitrile as catalyst. The copolymers are esterified with ethylene oxide to produce ethylene/lauryl methacrylate/b -hydroxyethyl methacrylate and ethylene/lauryl methacrylate/stearyl methacrylate/b -hydroxyethyl methacrylate copolymers.ALSO:A lubricant composition contains a lubricant and a copolymer of an olefin containing at most 6 carbon atoms per molecule with an alkyl ester of an unsaturated carboxylic acid and an ester of an unsaturated carboxylic acid in which the part of the molecule derived from the alcohol contains at least one free hydroxyl group.  In the examples, copolymers of ethylene, lauryl methacrylate and b -hydroxyethyl methacrylate and of these three monomers together with stearyl methacrylate are employed.
Patent GB-347521-A (GB)
Title: Device for holding the tag ends of boot and shoe laces when in use
IPC: A43C7/00
Filed: 1930-06-04
Abstract: 347,521. Securing tag ends of laces. MOCKEL, F., 21, Am Hohen Haus, Krefeld, Germany. June 4, 1930, No. 17240. [Class 43.] In devices for holding in place the tag ends of boot and shoe laces, an elastic band 1, adapted to be fastened near the bottom eyelets as by a lace 2, or by a locking button or hook, or by sewing, and to be detachably connected to the edge 7 of the upper by means of a hook 3, is provided with means whereby tag ends 5 may be engaged after the band has been drawn out beyond the edge of the shoe, the tag ends then being drawn down inside the shoe by reason of the contraction of the band. The band may be provided with a loop 4 for accommodating the tag ends 5, or it may have a flap fixed to the band at one end and at the other end detachably connected thereto by a press-button fastener or the like ; or the hook 3 may be provided at its lower end with an extension for gripping the tag ends between it and the band.
Patent GB-1503942-A (GB)
Title: Calciferol derivatives
IPC: C07J9/00
Filed: 1975-04-25
Abstract: 1503942 Vitamin D 3  derivatives WISCONSIN ALUMNI RESEARCH FOUNDATION 25 April 1975 [24 May 1974 14 June 1974] 17315/75 Heading C2V The invention comprises 1α-hydroxyergocalciferol which has vitamin D 3  activity. It is prepared by reacting isoergosterone with selenium dioxide to give 1,4,6,25-ergostatetraen-3- one; epoxidizing the tetraenone in alkaline hydrogen peroxide to give 1α,2α-epoxy-4,6,22- ergostatrien-3-one; reducing the epoxy derivative with lithium in liquid ammonia to give 1α- hydroxy - 7,8 - dihydroergosterol; acetylating the 1α-hydroxy-ergosterol to give 1α-acetoxy- 7,8-dihydro-ergosteryl acetate; subjecting the diacetate to allylic bromination followed by reaction with trimethyl phosphite to give 1α- hydroxyergosteryl diacetate; irradiating the 1α-hydroxyergosteryl diacetate with ultra-violet light to give 1α,3#-diacetoxy-previtamin D 2 ; thermally isomerizing the previtamin D 2  to give 1α,3#-diacetoxy vitamin D 2 ; and hydrolysing the 1α,3#-diacetoxy vitamin D 2  under basic conditions to give 1α-hydroxyergocalciferol. It may be converted enzymatically into 1,25- dihydroxyergocalciferol. Examples are given.
Patent GB-1401139-A (GB)
Title: Balancing machine with a device for determining and optically indicating an imbalance in a test body
IPC: G01M1/08
Filed: 1973-04-11
Abstract: 1401139 Correcting unbalance CARL SCHENCK AG 11 April 1973 [11 April 1972] 17317/73 Heading B3B [Also in Division G1] The rotary imbalance of a body, e.g. an impeller 1, mounted on a balancing machine is indicated by an optical indicator (Fig. 4) comprising a screen 10 or 11 marked with at least two lines 12 or 15 which are symmetrical relative to a radial datum through a vector centre point 13, and an indicator point 9 which assumes a position on the screen indicative of the magnitude and angular position of imbalance so that a circle centred on the vector centre point and passing through the indicator point intersects the lines at positions corresponding to the angular extent of a region of the body in which region compensation for imbalance is to be effected. The compensation may be effected by adding weights to the body or by machining a groove or bores in the body. In the case of machining, the circumferential extent of the circle through the indicator point 9 between two curved lines 12 indicates the extent of a groove to be machined to provide compensation whereas the points of intersection of such a circle with radial lines 15 indicates the number of bores to be machined and the distance of the indicator point 9 from the vector centre is indicative of the depth of each bore to provide compensation. As shown in Fig. 3, an unbalance measuring unit 4 provided with the optical indicator may be located between a milling unit 7 for milling grooves in a front surface of the body and a boring unit 8 for drilling holes in the back surface of the body.
Patent GB-688378-A (GB)
Title: Improvements in or relating to ramp launching of aircraft
Inventor: APPLETON LESLIE RICHARD EYRE
IPC: B64F1/06
Filed: 1949-06-30
Abstract: 688,378. Launching ramps. FAIREY AVIATION CO., Ltd. June 29, 1950. [June 30, 1949] No. 17353/49. Class 4. A launching ramp 15 (Fig. 1) is mounted on a turntable 10 by a shaft 13, both turntable and shaft being rotatable and remotely controlled e.g. by radar. On the ramp a flying body 16 is prevented from moving by areleasable catch 18, the release being made when the thrust of the body reaches a predetermined level. When the motor of the body 16 is started the spigot 29 carried by the projection 23 moves forward depressing the leaf 27a (Fig. 3) andactuating the starter switch of the pairs of booster rockets 30 and 31, slidably mounted on each side of the body 16 and having dirigible tail pipes 32 and 33. The ignited rockets slide forward and close contacts 36 and 37 at the nose of the rockets 30 and 31, and so actuate the release catch 18. A spring may be inserted between the stop 22 and the projection 23 ; also the noses of each pair of booster rockets may be connected by a link so that if only one rocket fires the contacts 36 and 37 do not touch. The release catch may also be operated by measurements of temperature, pressure or gas velocity in the combustion chamber, or hydraulically or via a spring loaded vane in the jet stream of each booster rocket.
Patent GB-850471-A (GB)
Title: Resinous articles having improved surface properties and method for their preparation
IPC: C08F255/02
Filed: 1957-05-31
Abstract: Graft polymers are made by a process which comprises peroxidising the surface of a body formed of a solid linear homopolymer of propylene or copolymer of propylene and ethylene, e.g. by heating in air, and the contacting the body with a monomer or mixture of monomers at least one of which contains a group which is an acidic group or a basic nitrogen containing group, or is convertible by reaction with organic basic nitrogen containing compounds or by hydrolysis to yield a group which imparts to the polymer affinity for acid dyes.  Acidic monomers specified are acrylic acid and maleic anhydride, which latter is preferably used in admixture with an alkyl acrylate or methacrylate, acrylonitrile or styrene.  Basic monomers specified are vinyl pyridines, piperidines, quinolines, pyrazolines, carbazoles or pyrrolidones and methacrylates of the formula: <FORM:0850471/IV(a)/1> wherein R1 and R11 represent alkyl or aryl groups and n represents an integer of from 2 to 5 which monomers may be used in conjunction with the auxiliary monomers specified above. Convertible monomers specified are vinyl, allyl or methallyl esters of acids of the formula R-COOH wherein R represents an alkyl, aryl, aralkyl or chloroalkyl group which may be used with auxiliary monomers as above, the polymers resulting therefrom being hydrolysed or, in the case of esters of chloroacids, reacted with compounds such as hexamethylene diamine, diethylamine or urea.  In the graft polymerization step the monomer may be either in liquid or vapour form.  The propylene base polymer may be in the form of film fibre, fabric or moulded article which after graft polymerization is dyeable with acid or basic dyes according to the nature of the dye-receptive groups which are introduced. Specification 843,190 is referred to.
Patent GB-333977-A (GB)
Title: Improved manufacture of artificial textile products
IPC: D01F2/08
Filed: 1929-06-06
Abstract: 333,977. Verstijnen, C. F. M. June 6, 1929. Cellulose xanthates, processes for making filaments from.-Relates to the production of products of reduced lustre from viscose solutions by the addition of chemically inert substances emulsifiable therewith and consists in the use of a mixture of benzene or toluene and carbon tetrachloride, the mixtures preferably amounting to 0.5 to 0.8 per cent of the spinning solution and having the same specific gravity. For example to 100 kg. of normal viscose 700 g. of a mixture of carbon tetrachloride and toluene with a specific gravity about 1.12 is added and dispersed by intensified agitation preferably by homogenizing-apparatus. Emulsification may be performed prior or subsequent to filtration, the emulsion being cooled down immediately after homogenization to the refining temperature.
Patent GB-1034705-A (GB)
Title: Cigarette lighter
IPC: F23Q2/28
Filed: 1964-04-28
Abstract: 1,034,705. Cigarette lighters. ROWENTA METALLWARENFABRIK G.m.b.H. April 28, 1964 [May 8, 1963], No. 17471/64. Heading F4F. [Also in Division F1] A gas cigarette lighter is ignited by sparks between electrodes 12 connected to the secondary 11 of a transformer, the primary 9 of which is energized by an electronic switch, e.g. a cold cathode thyratron or a thermionic valve, or a transistor 4. The lighter is first lifted off a table to allow a spring-urged push-rod 25 to close a switch 27. When a push-button 21 is now pressed a roller 18 runs up a ramp 17 to open a valve 13 to supply gas to the burner 14 and at the same time a switch 30 is closed. The transistor is therefore energized and further movement of the push-button 21 opens a further switch 34 to de-energize the transistor and produce ignition sparks. The circuit includes resistors 5, 6, 26. In a simplified embodiment, Fig. 1 (not shown), the push-rod switch 27 and the normally open switch 30 are omitted. A switch 7 corresponding to switch 34 is arranged to be closed by the push-button 21 to cause sparking. The switch 7 may have momentary contacts so that it opens again. A condenser is connected across the battery. In a further embodiment, Fig. 3 (not shown), an extra winding 40 on the transformer 9, 11 is connected to the input side of the transistor to cause oscillations. The frequency is adjusted by a resistor 45. The push-button can be held in its actuated position by a pivoted spring- urged pawl 47, Fig. 4 (not shown), which engages in a recess 21a in the shank of the push-button. When the lighter is placed on a support the push-rod is moved upwardly and disengages the pawl 47 from the push-button. The burner nozzle 14 is connected by a resilient tube 14a, Fig. 5 (not shown), to the burner valve 13 situated above a fuel tank 15.
Patent GB-624328-A (GB)
Title: Adaptor collars for machine spindles
IPC: B27B5/32
Filed: 1947-07-03
Abstract: 624,328. Rotary cutters. SMITTEN, A. E. July 3, 1947, No. 17508. [Class 145(i)] [Also in Group XXIV] An adapter for securing to a machinespindle 10, cutting tools 15 having different - sized holes equal to or larger than the spindle-diameter, comprises a pair of collars 11, 12 fitting the spindle and each having a facial spigot 11a, 12a of different sizes and a corresponding mating socket, so as to be turnable end-for-end to provide two differentsized mounting-bosses or to mount the tool directly on the spindle, thus catering for two larger sizes of mounting holes in addition to the correct size for the spindle. The spigots may be square, hexagonal or of flatted circular cross-section, or have three different-sized keyways.
Patent GB-140295-A (GB)
Title: Improvements in cable attachments for balloons and the like
IPC: B64B1/40
Filed: 1919-07-15
Abstract: 140,295. Jamieson, E. A., and Scoble, W. A. July 15, 1919. Coupling.-Relates to cable-attachment devices for balloons, &c., of the kind in which the cable is passed more than once round a helically grooved drum. The device comprises a drum 4 grooved to receive the cable 8 and made fast to a U-strap 5 forming a shackle member. The groove 7 passes twice around the drum, the convolutions of the groove lying abreast at one side of the drum, and crossing each other at the other side. At the place of crossing, one groove is made deeper than the other, so that the turns of the rope do not contact. The end portion of the cable after being passed more than once round the drum, is secured by lightly clamping the free extremity to the main portion of the cable. Detachable clips 14 retain the cable in the groove.
Patent GB-1110225-A (GB)
Title: Improvements in or relating to compositions for use in developing electrostatic latent images and methods of developing such images
IPC: G03G9/12
Filed: 1965-04-27
Abstract: 1,110,225. Electro-photographic developers. HARRIS-INTERTYPE CORPORATION. April 27, 1965 [April 27, 1964(2)], No. 17738/65. Heading G2H. Electro-photographic liquid developer comprises an electrically insulating carrier liquid having dispersed therein 0À25 to 25% by wt. of marking particles comprising a pigment and a resin in a ratio of 1: 2À5 to 1:70 by wt., which resin is capable of forming a particulate colloid dispersion in the carrier and forms an encapsulating envelope around the pigment for movement therewith, so that after imagewise deposition on a surface it fixes the pigment to the surface on evaporation of the carrier. The charge and mobility of the marking particles is determined by the pH of the pigment. Suitable pigments are carbon black, iron oxide, iron blue, mango violet, molybdates, chrome yellow, cabalt aluminate, Cr 2 O 3 , and organic pigments which may act as surfactants. Suitable resins are alkyds and resinmodified phenolic resin further modified with linseed and tung oils. The carrier is preferably a hydrocarbon.
Patent GB-299800-A (GB)
Title: Improved method of producing molybdenum-bearing iron
IPC: C21B5/02
Filed: 1928-06-19
Abstract: 299,800. Climax Molybdenum Co., (Assignees of Kissock, A.). Nov. 1, 1927, [Convention date]. Alloys.-A molybdenum compound, such as molybdenum oxide or sulphide, or calcium molybdate, is added to the charge of a blast-furnace in such proportions as to yield a pig-iron containing a desired percentage of molybdenum. Specification 314,032 is referred to. The Specification as open to inspection under Sect. 91 (3) (a) states also that the molybdenumbearing pig iron so produced may be mixed with other molten iron, or melted with other iron, or may be mixed with molten metal in a steelmaking furnace, or may form part of the charge of a cupola furnace, for the production of grey, white, malleable, or semi-steel castings. This Specification does not appear in the Specification as accepted.
Patent GB-1153534-A (GB)
Title: Oriented CrO2 Films and method of producing same
IPC: H01F10/28
Filed: 1967-04-18
Abstract: 1,153,534. Oriented CrO 2  films. GENERAL ELECTRIC CO. 18 April, 1967 [20 June, 1966], No. 17784/67. Heading C1A. Plate-like films of CrO 2  are produced on substrates of which the polished surfaces are chemically inert to the oxides of chromium and have a crystallographic structure compatible with that of CrO 2 . Suitable substrate surfaces include TiO 2  (rutile), M n O 2 , Fe 2 O 3  (haematite), Cr 2 O 3 , Ti 2 O 3  and α-Al 2 O 3  (sapphire). The substrate, its surface having a preselected crystallographic orientation, is heated with a quantity of CrO 3  in a closed pressure vessel. The heating may be effected at a temperature of 375-550‹ C.
Patent GB-403659-A (GB)
Title: Improvements relating to interrupters for the ignition apparatus of internal combustion engines
IPC: F02P5/10
Filed: 1932-06-24
Abstract: 403,659. Timing ignition. LUCAS, Ltd., J., and WATSON, E. A., Great King Street, Birmingham. June 24, 1932, No. 17860. [Class 7 (iv).] The interrupter cam g is driven through a spring h the action of which is opposed by suction through the opening f connected to the induction pipe. A plate i integral with the cam rests against a seating j and is permitted a restricted angular movement relative to the shaft c by the engagement of a pin k in a slot. The plate may rest against the inner or the outer side of the lid d, or its periphery may be engaged by a brake member controlled by a piston responsive to induction pipe suction.
Patent GB-482489-A (GB)
Title: Improvements in or relating to printing inks
IPC: C09D11/02
Filed: 1937-06-28
Abstract: 482,489. Ink. MARZIO, A. June 28, 1937, No. 17937. [Class 146 (iii)] A conditioning medium, to be added to printing-ink for improving its qualities consists of a mixture of a medium soft resin, e.g. Venetian turpentine, a drying oil, e.g. linseed oil, a solvent which also assists drying, e.g. turpentine, a non-drying oil, e.g. a mineral oil, and a dryer, e.g. lead resinate.
Patent GB-1358156-A (GB)
Title: Intrusion detecting alarm system
IPC: G08B13/08
Filed: 1973-04-13
Abstract: 1358156 Intruder alarms P R MALLORY & CO Inc 13 April 1973 [23 June 1972] 18019/73 Heading G4N [Also in Division H1] An intruder alarm suitable for mounting on a window or a door frame comprises a buzzer 55, a supporting frame structure 35 attachable to a panel of a window or a door for amplifying the sound, a battery 60, a switch 62 responsive in the operative state to connect the battery 60 to the buzzer 55 when intrusion is attempted and an arrangement including a push pin 66 having a double wing detent 68 rotatable by a button 36 for locking the pin in a forward position and for setting the switch in a non- operative position. The alarm unit including a slidable carriage 38 for the battery 60 is normally placed in a recess in the door stile against the door jamb and in the closed position of the door, the button 36 is pressed in to open the switch contacts. When the door is opened by an intruder, switch button 36 moves out and the buzzer is connected to the battery via the switch.
Patent GB-426318-A (GB)
Title: Machine for grubbing up, topping and cleaning of beet and other root crops
IPC: A01D23/04
Filed: 1933-06-26
Abstract: 426,318. Harvesting root crops. PETITPREZ, M., Arques, Pas-de-Calais, France. June 26, 1933, No. 18171. Void [Abridged as open to inspection under Sect. 91 of the Acts, Dec. 28, 1933]. [Class 6 (iii)] The tops of beet or like crops are lifted by flexible rods 29 at the ends of oppositely rotating top gathering and lifting members 23 situated above adjustable root lifting members 31 shaped like twist drills and rotated in opposite directions ; guides 39 hold the roots in correct position relatively to the top lifting members. The roots pass from the lifting devices to a gripping device comprising two endless chains the links of which are cup shaped to hold the roots and to carry them to a stationary topping knife 22. The cut tops are thrown by rotating vaned wheels 43 on to a slope 41 up which they are carried by co-operating band brushes 68 to be delivered to an adjustable band conveyer 48. The topped roots are gripped between two band brushes similar to the brushes 68 and carried along a ramp 42 to a conveyer 59 also adjustable for delivery ; the band brushes are preferably driven at different rates so that the roots are rotated and cleaned. The front of the machine is carried by a vertically adjustable steering wheel 15.
Patent GB-684825-A (GB)
Title: Locks
IPC: E05B63/00
Filed: 1951-08-01
Abstract: 684,825. Locks. PARKES & SONS, Ltd., J., and BUTTER, F. J. Oct. 12, 1951 [Aug. 1, 1951 ], No. 18174/51. Class 44 In a lock of the kind in which a dead bolt is operated by a lever, either directly or through a link or the equivalent, which is actuated by the thrower or radial arm of a barrel lock, the bolt operating lever 4 is provided with two projections or detents 29, 30, with which the thrower or arm 18 of the barrel lock 20 is adapted to co-operate alternately, according to the direction of rotation of the barrel. As shown, the bolt 1 is operated by a lever 4 having a nut 4x journalled in the casing and having a square hole for the handle spindle 5. A pin 6 on lever 4 works in a cam slot 7 in a link 8 pivoted to the casing at 9 and having a pin 10 engaging in a slot in the bolt. Lever 4 is retained in either of its two end positions by a bowed spring 13. The outer cylinder 20 of the barrel lock is screwed into the front wall of the casing 3, and locked against unscrewing by a plate 21 engaging a groove 20x in the cylinder 20, the plate being retained by a screw 24 accessible only when the face plate 28 is removed from the casing.
Patent GB-937557-A (GB)
Title: Improvements in or relating to the polymerisation of alpha-olefins
IPC: C08F10/00
Filed: 1961-05-18
Abstract: Alkenes, particularly 1-alkenes containing 3 to 8 carbon atoms, are polymerized to solid crystalline polymers in the presence of a catalyst comprising an alkyl aluminium dihalide, predominantly amorphous titanium trichloride and a quaternary ammonium halide, wherein the mol. ratio of alkyl aluminium dihalide to quaternary ammonium halide is 0,3:1 to 6:1.  Specified alkenes are propylene, butene-1, pentene-1 and 4-methyl pentene-1.  The alkyl aluminium dihalide may be ethyl aluminium dichloride, propyl aluminium dichloride or butyl aluminium dichloride, or the corresponding bromine and iodine analogues thereof.  The quaternary ammonium halide may be tetramethyl, tetraethyl, tetrapropyl, tetrabenzyl or tetracyclohexyl ammonium chloride or the bromine or iodine analogues thereof.  The predominantly amorphous titanium trichloride may be prepared by reducing titanium tetrachloride with aluminium and ball or rod milling the product.  The reaction mixture may be agitated, e.g. by means of a magnetic stirrer.  The polymerization may be effected in the presence of inert hydrocarbon solvents, e.g. hexane, heptane or octane, and the resulting slurries treated with isopropanol, methanol and water.