baber/WOPTO huggingface dataset:
Patent GB-884461-A (GB)
Title: Unsaturated aliphatic amino-diols and process for their manufacture
IPC: C07C33/025
Filed: 1958-04-02
Abstract: The invention comprises cis-1,3-dihydroxy-2-nitro-octadec-4-ene in the form of its threo and erythro isomers and comprises also a process whereby threo and erythro isomers of 1,3-dihydroxy-2-amino-octades-4-ene are prepared by separating the corresponding 1,3-dihydroxy-2-nitro-alk-4-yne into its threo and erythro isomers by fractional crystallization, reducing the nitro group in the threo or erythro isomer with a metal in the presence of an acid which forms a salt with the metal, e.g. zinc and hydrochloric acid, and reducing the triple bond of the threo or erythro 1,3-dihydroxy-2-amino-alk-4-yne either with hydrogen and a catalyst, e.g. a Lindlar catalyst or a quinoline poisoned palladium catalyst, in which case a cis compound is obtained, or with an alkali metal and alcohol or a dimetal hydride, e.g. LiAlH4, in which case a trans compound is obtained. Alternatively, the nitro group and the triple bond may be reduced in one operation suitably by the use of lithium aluminium hydride or by hydrogenation in the presence of a catalyst to give a trans or a cis compound, respectively.  If the latter process of reduction by hydrogenation in the presence of a catalyst is stopped after the uptake of 1 molecular equivalent of hydrogen, the intermediate cis-1,3-dihydroxy-2-nitro-alk-4-enes, which are claimed per se, are obtained.
Patent GB-254437-A (GB)
Title: Improvements relating to apparatus for producing musical sounds
IPC: G10H3/06
Filed: 1925-04-24
Abstract: 254,437. Matthews, H. G. April 24, 1925. Converting electric currents. - Apparatus for obtaining currents of audio-frequency for musical purposes comprises one or more perforated discs rotating between a selenium or other light sensitive cell and a number of electric lamps each controlled by a separate key switch of the keyboard. The discs a are preferably of partly spherical or mushroom shape and the lamps c are so arranged as to converge through the separate rings of perforations b upon the cell d. Or the light may be conducted towards the disc through suitably bent glass rods. The cell d is connected through a transformer h to a valve i the anode circuit of which is connected through a bank j of resistance-coupled amplifying valves to the loud speaker l. The switch keys f are arranged in the form of a musical keyboard. The number of perforations in each separate ring, and the size and shape of the holes determine the pitch, intensity and tone quality of the notes emitted. The disc is driven by a constant speed electric motor.
Patent GB-1455627-A (GB)
Title: Pressure-sensitive donor sheet
IPC: B41M5/165
Filed: 1974-03-11
Abstract: 1455627 Pressure-sensitive record sheets INTERNATIONAL BUSINESS MACHINES CORP 11 March 1974 [16 April 1973] 10702/74 Heading D2B A pressure sensitive dionor sheet has a surface coated with an encapsulated reactant solution comprising dithiooxamide or an N, N'-disubstituted derivative thereof and a coreactant comprising nickel (II) chloride, sodium ricinoleate, and stearic acid, the arrangement being such that when the coated surface is contacted with an untreated surface and on application of localised pressure the reactant solution is released and transferred together with the coreactant to the untreated surface to form a visible image thereon. The reactant-containing capsules and coreactant may be present in the same or separate coatings. The coreactant coating may also include lithium stearate, zinc resinate, and sodium benzoate.
Patent GB-368113-A (GB)
Title: Improvements in and relating to cornice lighting apparatus
IPC: F21Y101/00
Filed: 1931-04-11
Abstract: 368,113. Cornice lighting. HOLOPHANE, Ltd. and WILLIAMS, R. G., Holophane House, Elverton Street, Vincent Square, London. April 11, 1931, No. 10721. [Classes 75 (ii) and 75 (iv).] Reflectors. - A lamp for evenly lighting the cornice of a straight or curved wall of a kinema or the like comprises a trough 1 covered by translucent panels 5, 6 and containing sets of stepped d reflectors 3 which rise on each side of the sockets 4 of spaced electric lamp p bulbs to about half-way towards the adjacent lamp sockets. The steps of the reflector increase in area and steepness the farther they are from the lamp sockets, and they may be highly polished or given a white matt surface. The cover panels 6 are denser than the side panels 5, and masks 7 may project downwardly on either side of the cover panels. As shown in Fig. 6, coloured lighting effects may be produced by arranging side by side a number of troughs provided with differently coloured covers. For this purpose the cover panels may comprise superposed panes of diffusing glass and coloured glass whilst the side panels may be of clear coloured material.
Patent GB-1368546-A (GB)
Title: Partially hydrogenated benzoquinolizines their manufacture and their medicinal use
IPC: C07D221/06
Filed: 1973-03-06
Abstract: 1368546 Benzo-quinolizines BAYER AG 6 March 1973 [6 March 1972 12 Sept 1972] 10757/73 Heading C2C The invention comprises novel compounds (I) in which R<SP>1</SP> is a hydrogen or alkyl radical; R<SP>2</SP> is a straight-chain or branched alkyl radical or a straight-chain or branched aliphatic or cyclic aliphatic oxyhydrocarbon radical having a saturated or unsaturated carbon chain optionally interrupted by one or two oxygen atoms; R<SP>3</SP> is a saturated or unsaturated straight-chain, branched or cyclic hydrocarbon radical; or an aryl radical optionally carrying up to 3 alkyl, alkoxy, azido, halogen, nitro, nitrile, trifluoromethyl, carbalkoxy or SO n -alkyl (n=0, 1 or 2) radicals as substituents; or a naphthyl, quinolyl, isoquinolyl, pyridyl, pyrimidyl, thenyl, furyl or pyrryl radical optionally carrying one or more alkyl, alkoxy or halogen radicals as substituents; and R<SP>4</SP> is a hydrogen radical or a carbalkoxy radical. They are made by interacting R<SP>3</SP>CHO, R<SP>1</SP>COOH 2 COR<SP>2</SP> and (V). Pharmaceutical preparations especially useful as coronary and antihypertensive agents contain (I) as active ingredient; standard administration forms are described.
Patent GB-1173958-A (GB)
Title: Improvements in or relating to the Purification of Unsaturated Hydrocarbons
IPC: C07C11/00
Filed: 1967-03-07
Abstract: 1,173,958. Purifying unsaturated hydrocarbons. PETRO-TEX CHEMICAL CORP. 7 March, 1967 [8 March, 1966 (2)], No. 10762/67. Heading C5E. Unsaturated hydrocarbons contained in a gaseous mixture comprising (exclusive of any water present) 3À5-80 mol. per cent unsaturated hydrocarbon, 20-93 mol. per cent non- condensible gases and carbonyl contaminants, are purified by a process comprising: (1) intimately contacting said mixture with water of pH at least 10 at a temperature from at least the dew point of the hydrocarbon to less than the boiling point of water under the contacting conditions, which are such that the phase equilibrium constants of the carbonyl compounds are not more than 15; (2) taking off from the contacting zone a gaseous mixture comprising (exclusive of water) 3À5-80 mol. per cent unsaturated hydrocarbon and 20- 93 mol. per cent non-condensible gases; (3) removing from the contacting zone an aqueous solution containing 0À01-2À5 mol. per cent carbonyl compounds and 0.005 to 0.5 mol. per cent unsaturated hydrocarbon, said carbonyl compounds being equivalent to at least 90 mol. per cent of the original; and (4) further purifying the gaseous mixture from step (2). The contacting water may be an industrial waste, e.g. a boiler blow-down. The unsaturated hydrocarbon forming part of the aqueous solution in step (3) may be separated and recycled to step (1). The final purification of the gaseous mixture in step (4) may be by fractional distillation. The above process is particularly applicable to gaseous feed mixtures obtained from an oxidative dehydrogenation in the presence of inert diluents, e.g. N 2  or He, and optionally in the presence of a halogen or a precursor therefor. Any water in the mixture is mainly removed before step (1). The unsaturated hydrocarbon may be butadiene-1,3 (from butane or an n-butene), isoprene (from a methyl-butane or -butene), vinyl acetylene (from n-butane or an n-butene), a mono-olefin such as butene, a mixture of mono- and di-olefins, cyclohexene and/or benzene (from cyclohexane), or styrene (from ethyl benzene or ethyl cyclohexane).
Patent GB-126619-A (GB)
Title: Method of and Means for Starting, Reversing, and Speed Regulation of Internal Combustion Engines which are Started or Reversed by Means of Compressed Air or Compressed Gas.
Inventor: WEYLAND JONAS ALBERT
IPC: F01L13/00
Filed: 1919-05-01
Abstract: 126,619. Weyland, J. A. May 4, 1918. [Convention date]. Regulating. - In an engine started in either direction by means of compressed air or gas, a shaft 2 for moving the valve-levers into or out of the range of actuating-cams for starting, reversing, and speed-regulation is actuated from a handwheel 1 through a servo-motor actuated by liquid under pressure, the supply of which is cut off by the shaft 2 on reaching the desired position. Sufficient time for the action of the compressed air is thus ensured whatever the rate of turning the wheel 1. In the form shown, the wheel 1 is loose on the shaft 2 and carries a pointer 11, moving over a dial 12, and a flanged disk 13, 14. A groove 15, Fig. 3, in the flange 14 engages a roller 16 on a sleeve 17 slidable on the shaft 2. Levers 18 connected to the sleeve 17 actuate a double piston valve 23, which controls the supply of pressure liquid through one of the passages 25 to one of two conduits leading to a servo-motor for turning the starting-shaft 2 in either direction. The servo-motor may be a piston connected to the shaft 2 by a rack and pinion. The valve 23 also opens the other passage 25 to a discharge passage 28 having a valve 6 controlled by a cam 3 on the shaft 2. When the wheel 1 is turned, the sleeve 17 is moved longitudinally by means of the roller 16 and groove 15, the levers 18 actuate the valve 23, and the shaft 2 is turned until the roller 16 returns to the centre of the groove 15 and the valve 23 closes. The movement of the shaft is checked by the discharge valve 6, which is nearly closed when the end 31 of the valve lever engages bosses 7, 8 on the cam, corresponding to positions in which groups of cylinders change from compressed air to operation with fuel and allowing the necessary time for the change. When the wheel 1 is returned to the central or " stop " position and the shaft 2 is consequently turned, the end 31 of the valve-lever passes along a groove in the cam 3 and under a pivoted latch 9 to its initial position. The valve 6 may be in the supply conduit 24 for the pressure liquid. Specifications 5346/07 and 12069/14 are referred to. The Specification as open to inspection under Sect. 91 (3) (a) states also that the servo-motor may be an electric or other device. This subjectmatter does not appear in the Specification as accepted.
Patent GB-161582-A (GB)
Title: Reading desk
IPC: A47B23/00
Filed: 1921-04-13
Abstract: 161,582. Brauchli, E. April 14, 1920, [Convention date]. Reading - desks; leaf-holders.-A bedside or other reading desk or stand comprises a swivelling arm 11 which can be fixed to chair backs, bedsteads, or to the stand 12 and carries a pin at the free end on which can be placed a socket 2. This socket is formed with a screw dip 1 which surrounds a tubular support 4 the ends of which are U-shape in cross-section. The book covers are held in a double frame 6 mounted on the support 4. Leaf-holding arms 10 are pivoted to adjustable bars 8 which slide in the support 4. The stand 12 may carry a tray 13 and a lamp 14.
Patent GB-109422-A (GB)
IPC: A23B7/005
Abstract: 109,422. Baker, F. June 1, 1917. Nut proparations; preserving coco-nut.-Grated or shredded coco-nut is preserved in a natural moist condition in sealed cans, glasses, &c. The milk is separated from the kernel which is then divided by grating &c. and placed in receptacles; the receptacles are hermetically sealed and then heated to a temperature sufficient to kill any bacteria present in the coco-nut. Temperatures ranging from 215-225‹ F. are generally employed; in some cases, the temperature may be raised for a short time to 250‹ F. After cooling, the product is ready for the market. The whole or a portion of the coco.nut milk may be added to the divided kernel; the milk should be previously heated to a temperature not exceeding 212‹ F. A solution of sugar in water may be added in place of the milk. In a medified process, the heat treatment of the divided coco-nut is performed in open receptacles, superheated steam being allowed to permeate the contents; the receptacles are afterwards sealed.
Patent GB-806995-A (GB)
Title: Improved apparatus for mixing chemical reactants
IPC: F28D7/02
Filed: 1957-04-04
Abstract: In apparatus for mixing chemical reactants of viscous nature, consisting of an elongated vessel, an agitator, and a heat exchanger, the heat-exchange conduit is mounted spaced from the wall of the vessel, and there is provided a long baffle-plate extending radially and spaced inwardly from the wall of the vessel.  The apparatus is adapted for the polymerization of olefines, and the constructional features promote intimate mixing of reactants at the point of discharge in a zone of maximum turbulence of the mixture at the cooling surface, whereby undue deposition of the viscous polymer thereon is prevented.  In a suitable apparatus, a closed jacketed vessel 1, having ellipsoidal ends 2 and 3 is provided with a double bank of cooling coils 13, 19, and one or more baffles 11 secured to the cooling coils by fins 12 projecting through the outer coil.  A central hollow shaft 7 has mounted thereon two sets of paddles 8, 8a, the lower one of which is provided with a stabilizer 10 preventing shaft whip. Close below each paddle stirrer is provided an annular perforated sparge pipe 29, 31, the lower one of which is divided into two sections for the <PICT:0806995/III/1> admission of solvent and olefine, which are sprayed upwards against the agitator.  The catalyst, preferably suspended in solvent, is admitted through a pipe 28 discharging near the lower mixing zone.  Alternatively the olefine is admitted through a gas-cap into perforations 39 at the top of the hollow central shaft and is discharged through openings adjacent the agitator 8.
Patent GB-623288-A (GB)
Title: Improvements in or relating to endless conveyors
IPC: B65G19/26
Filed: 1947-04-25
Abstract: 623,288. Endless-chain conveyers. MORRIS, J. E., GAGG, J., HUDSON, W. S., and MOLINS MACHINE CO., Ltd. April 25, 1947, No. 11128. [Class 78 (i)] In a conveyer of the kind in which articles are moved along a table by pushers mounted on and projecting above an endless chain, in order that the conveyer may be used for a wide range of articles, each pusher 7 is pivoted at 6 to a bracket 5 on a crossbar 4 bridging the chains 1 and is provided with a long article engaging member 8 at one end and a shorter member 9 at the other end. By turning the pusher about the pivot 6 either of these members can be brought into operative position. The pusher is locked in either position by passing a spring-pressed pin 11 through an aperture in the bracket 5 into one of the holes 10. The distance between the guides 15, 16 can be varied.
Patent GB-1168411-A (GB)
Title: Lubricating Oil Compositions
IPC: C10M159/22
Filed: 1968-03-07
Abstract: 1,168,411. Lubricants. TEXACO DEVELOPMENT CORP. 7 March, 1968 [20 March, 1967], No. 11175/68. Heading C5F. A lubricant comprises a hydrocarbon lubricating oil containing 0À1-90 wt. per cent of a 20-70% hydrolysed overbased sulphurized calcium alkylphenolate having a calcium metal ratio of from 1À1 to 3À5 wherein said hydrolysed product is prepared by contacting in a hydrocarbon lubricating oil (a) a sulphurized normal calcium C 4 -C 100  alkylphenolate having a sulphur content of 0À1-10 wt. per cent and a calcium metal ratio of 1 with (b) a calcium alkoxy-alkoxide of formula Ca(OAOR<SP>1</SP>) 2 where A is a C 1 -C 6  alkylene radical and R<SP>1</SP> is C 1 -C 25  alkyl, at 10-200‹ C. in a mole ratio of (b) : (a) of 1 : 0À1 to 1 : 2À5 and thereafter contacting the product with water at 10-250‹ C. in the mole ratio of water: (b) of 100 : 1 to 0À2 : :1 until 20-70% of the overbased product is hydrolysed and thereafter removing any residual water. The lubricating oil may be mineral or synthetic, e.g. polypropylene or polyisobutylene. The sulphurized normal calcium alkyl phenolate may be prepared by contacting in said lubricating oil (c) a C 4 -C 100  alkyl-phenol with (b) above in a mole ratio of (c) : (b) of about 2 : 1 at 10-250‹ C. and thereafter reacting the product with sulphur in a mole ratio of sulphur: (c) of 0À15 : 1 to 8:1 at 75-250‹ C. The lubricating oil compositions may also contain the ethylene oxide reaction product of polybutene thiophosphonic acid, zinc di-C 10 -C 12  alkylbenzene dithiophosphate, zinc isopropyl 1,3-dimethylbutyl dithiophosphate, overbased calcium alkyl benzene sulphonate, a copolymer of dodecyl and octadecyl methacrylates and dimethyl silicone.
Patent GB-1352242-A (GB)
Title: Barge for carrying a caravan or trailer
IPC: B63B35/73
Filed: 1971-04-23
Abstract: 1352242 Barge for carrying caravan J M A J LOUET 23 April 1971 [23 April 1970 14 April 1971] 11193/71 Headings B7A and B7M A barge for carrying a trailer or caravan comprises a body having an outwardly projecting formation having a flat underside such as 56 and ballast tanks such as 21 for varying the height of the projection with respect to the water level to raise the flat underside above a wharf Q and then lower it against the wharf. The craft described has four ballast tanks 19- 22, Fig. 3 (not shown), and has two projections 56, 57 separated by a recess 53 and which protrude relative to stern walls 54, 55 of the barge.
Patent GB-274959-A (GB)
Title: Improvements relating to the distillation of crude oils
IPC: C10G9/00
Filed: 1926-04-28
Abstract: 274,959. Tinker, F. April 28, 1926, Hydrocarbons, distilling and cracking. - In plant for distilling and cracking oils in which crude oil is preheated by the residium and also by the vapours and condensates, the various streams of preheated oil or mixtures of vapour and oil are passed into a mixing vessel prior to passage into a vapour-separating chamber. In the topping plant shown in Fig. 1, a mixing vessel a receives two streams of heated crude oil, the first of which passing through a pipe 1, is heated in a heat-exchanger c by residual oil from a vapourseparating-chamber b and in a pipe still d, and the second of which passing through a pipe 2 is heated in heat-exchanger e by the condensate from a fractional condenser f and in a coil in the condenser. The mixed liquids from the vessel a pass to the vapour separator b, and the vapours pass through fractional condensers fc<1> f; fc<2> to a final condenser g. A part of the condenser may be passed through a branch circuit comprising a still and vapour superheater as described in Specification 188,058, and the cracked vapours may be passed into the vessel a. The branch circuit may comprise means consisting of a pipe still and vapour-separating chamber for cracking the oil under pressure in the liquid state and the residual oil from the chamber b may also be cracked under pressure and the vapours passed into the vessel a. The branch circuit in which the condensates are cracked may comprise an apparatus of the kind described in Specification 135,015 for cracking the oils partly in the liquid phase and afterwards in the vapour phase.
Patent GB-698329-A (GB)
Title: A new or improved process for manufacturing paints and coloured plastics
IPC: C09B67/46
Filed: 1950-05-06
Abstract: Paints and coloured plastics are produced by adding powdered pigment to a carrier liquid of low viscosity or vice-versa, dispersing the pigment in the liquid and subsequently mixing the dispersion with a more viscous liquid or with a plastic forming preparation of a relatively high viscosity.  After the dispersion the product may be reduced to the desired solids content by evaporation.  The dispersion may be produced by the use of ultrasonic vibrations by means of a magneto-striction transducer or a "Galton" whistle.  The carrier liquid may be xylene or white spirit and additional heat may be supplied if required. The more viscous liquids may be an oil or treated oil or oil and natural or synthetic resin, i.e. a varnish. Specification 554,895 is referred to.
Patent GB-856154-A (GB)
Title: Improvements in or relating to signal amplifiers
IPC: H03G11/00
Filed: 1959-04-03
Abstract: 856,154. Transistor amplifying circuits. WESTERN ELECTRIC CO. Inc. April 3, 1959 [April 8, 1958], No. 11351/59. Class 40(6). An amplifier having a linear input/output characteristic comprises a main amplifying stage comprising two transistors 11, 15 of opposite conductivity types connected in a commoncollector configuration and a correcting stage comprising two similarly connected transistors 31, 35 of opposite conductivity types preceded by a differential amplifier comprising transistors 41, 45 and a transistor 51 serving as a coupling impedance between the transistors 41, 45. When an alternating current input is applied to the amplifier the transistors 11, 15 conduct in alternate half cycles thus providing an output signal to the load resistor 25. However, owing to the necessity for a small forward-acting bias on the bases of the transistors before effective amplification is produced, a region of zero gain exists for small-amplitude signals at the crossover point between the two transistors. To overcome this the output signal is fed back by conductor 36 to the differential amplifier where it is compared with the input signal and the amplified difference signal applied through amplifier 31, 35 to the output, whereby the region of zero gain for small amplitude signals is considerably reduced. The amplifier is shown as an element in the time division multiplex system described in Specification 844,735 in which signals from different channels are sampled in succession at the input terminals and stored in turn upon capacitor 3. At the end of each sampling interval clamp gate 4 is actuated to discharge the capacitor 3 preparatory to the reception of a signal from the next channel to be sampled. The signal developed on capacitor 3 is amplified and applied through receive gate 5 line gate 6 and the filter 7 to the receiving apparatus 8.
Patent GB-527540-A (GB)
Title: Improvements in or relating to apparatus for washing fabrics or the like
IPC: D06F23/02
Filed: 1939-04-14
Abstract: 527,540. Washing-machines. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. April 14, 1939, No. 11355. Convention date, April 23, 1938. [Class 138 (ii)] The perforated receptacle 16, stationary casing 10. driving motor 24 and transmission gear 26 form an integral unit which is removably and resiliently suspended within a cabinet 41. The receptacle which rotates on an inclined axis, is provided with internal vanes 37, 38 set at alternate different angles whereby the vanes 38 move the articles to the domed inner end of the receptacle and raise them out of the water. The articles then fall over the radially ribbed dome 19 back into the water and are engaged by the vanes 37 which cause them to travel towards the other end of the receptacle. An annular curtain of resilient material 50 is arranged between the aperture 49 of the cabinet and the axially registering apertures 14, 21 of the casing and receptacle. The receptacle is rotated at low speed for washing and at a high speed for centrifugal drying, the change-speed gear being operated by a pedal-controlled lever 27. Hot and cold water are supplied through a pipe 31 and dirty liquid is discharged by pipe 55, pump 54 and pipe 56.