baber/WOPTO huggingface dataset:
Patent GB-1502121-A (GB)
Title: Anthracyclines
IPC: C07H15/04
Filed: 1975-08-02
Abstract: 1502121 Daunomycin and adriamycin derivatives SOC FARMACEUTICI ITALIA SpA 28 July 1976 [2 Aug 1975] 32384/75 Heading C2C Novel 6<SP>1</SP> - hydroxy- and 4 - demethoxy - 6<SP>1</SP>- hydroxy - adriamycin are prepared by conversion of the corresponding daunomycin derivative by the method of Specification 1,217,133. They may be isolated as the hydrochloride salts. Novel 6<SP>1</SP> - hydroxy- and 4 - demethoxy - 6<SP>1</SP>- hydroxy - daunomycin are prepared by subjecting the corresponding 3<SP>1</SP>-N-trifluoroacetyl - 4<SP>1</SP>,6<SP>1</SP>, - di - O - p - nitrobenzoyl derivative to alkaline conditions. They may be isolated as the hydrochloride salts. 3<SP>1</SP> - N - Trifluoroacetyl - 4<SP>1</SP>,6<SP>1</SP> - di - O - p - nitrobenzoyl - 6<SP>1</SP> - hydroxy- and 4 - demethoxy - 6<SP>1</SP>- hydroxy - daunomycin α and # anomers are prepared by condensing daunomycinone or its 4-demethoxy derivative with 2,3-dideoxy-3- trifluoroacetamido - 4,6 - di - O - p - nitrobenzoyl-α-L-lyxohexopyranosyl chloride. 2,3 - Dideoxy - 3 - trifluoroacetamido - 4,6 - di- O - p - nitrobenzoyl α - L - lyxohexopyranosyl chloride is prepared by reacting methyl 3- trifluoroacetamido - 2,3 - dideoxy - α - L- arabinohexopyranoside with trityl chloride, oxidizing the resulting 6-O-trityl derivative with ruthenium tetroxide, reducing the resulting methyl 2,3 - dideoxy - 3 - trifluoroacetamido - 6- O - trityl - α - L - threohexopyranoside - 4 - ulose with lithium tri-sec. butyl borohydride, treating the resulting methyl 2,3-dideoxy-3-trifluoroacetamido - 6 - O - trityl - α - L - lyxohexopyranoside with aqueous acetic acid, reacting the resulting detritylated derivative with HCl, treating the resulting 3 - amino - 2,3 - dideoxy - α - L - lyxohexose with trifluoroacetic anhydride and isopropyl alcohol, reacting the resulting isopropyl 3 - trifluoroacetamido - 2,3 - dideoxy - α - L- lyxohexopyranoside with p-nitrobenzoyl chloride and treating the resulting 4,6-di-O-p-nitrobenzoyl derivative with HCl.
Patent GB-254199-A (GB)
Title: Improvements in packets for cigarettes
IPC: B65D5/38
Filed: 1925-12-23
Abstract: 254,199. Krotoschin, S. Dec. 23, 1925. Drawer-and-shell boxes.- The drawer of a drawer-and shell box for cigarettes &c is provided at one of its ends with projecting por tions which engage the edges of the shell to pre vent extraction of the drawer in one direction. The projections 8 may be as shown, or may extend the whole depth of one or both vertical edges of the drawer, or alternatively the ends of the drawer may be in the form of a trapezium, the base of which projects beyond the edges of the shell. The drawer is preferably formed of material embellished on one side only, the embellished surface being arranged on the inside.
Patent GB-733134-A (GB)
Title: Improvements in process for chemically modifying butyl rubber and ensuing product
IPC: C08L23/22
Filed: 1953-11-24
Abstract: Butyl rubber is vulcanized by heating it with a dimethylol phenol in the presence of chlorinated paraffin wax.  Specified phenols which may be used either in the monomeric or polymeric form are 2,6-dimethyl-4-methyl-, 4-tertiary-butyl, 4-octyl-, 4-dodecyl-, 4-phenyl-, 4-benzyl-, 4-(alpha, alpha-dimethylbenzyl-) or 4-cyclohexyl phenol.  The accelerating effect of the wax is enhanced by the presence of small amounts of heavy metal compounds, e.g. the oxides of iron, zinc, tin, lead, aluminium, or manganese or their salts with carbonic, chromic, acetic, stearic and lauric acids. Carbon black (20 to 100 parts for 100 parts of rubber) and fillers such as clay, zinc oxide and iron oxides may be present as may other conventional compounding materials. Curing is carried out at 200 DEG F. or higher, preferably above 300 DEG  F.  Specifications 718,768 and 733,088 are referred to.
Patent GB-1281581-A (GB)
Title: Polyamides of trimethylhexamethylenediamine and cycloaliphatic dicarboxylic acid
IPC: C08G69/00
Filed: 1969-06-27
Abstract: 1281581 Polyamides SCHOLVEN-CHEMIE AG 27 June 1969 [2 July 1968] 32643/69 Heading C3R Transparent polyamides are obtained by condensing 2,4,4 and/or 2,2,4 trimethylhexamethylene diamine with a dicarboxylic reactant which is isocyclic with the main chain of the diamine and which consists of at least one cycloaliphatic dicarboxylic acid and optionally an aromatic dicarboxylic acid or functionally equivalent derivative thereof e.g. a semi- or diester, acid chloride or amide. The cycloaliphatic acid may be 1,4- or 1,3-cyclohexane dicarboxylic acid and the aromatic acid iso- or tere-phthalic. The polymers have molecular weights above 15,000 e.g. 25,000 to 30,000 and are soluble in alcohols. Uses.-The products of the examples are used either as ethanolic solutions for coating steel plates or, optionally blended with kaolin powder, for injection moulding.
Patent GB-1282888-A (GB)
Title: Heat resistant carbonaceous fibrous material and processes for producing such materials
IPC: C04B35/622
Filed: 1969-06-27
Abstract: 1282888 Heat-resistant carbonaceous fibrous material MINNESOTA MINING & MFG CO 27 June 1969 [28 June 1968] 32719/69 Heading C1A [Also in Division G6] A carbonaceous fibrous material containing by weight ¢ to 6% of nitrogen, 40-95% of carbon and 1 to 50% of a heavy metal of Groups IVb, Vb or VIb of the Periodic Table which is chemically bound to the carbonized fibre in a non- carbide form but which is capable of reacting with carbon to form a refractory stable carbide, is prepared by impregnating a regenerated cellulose fibre with a solution of a salt or salts of one or more heavy metals, and a water-soluble salt of a strong acid and a nitrogenous base, drying and heating the impregnated fibre in a pyrolysis process to a temperature of at least 700‹ C. but below that at which the heavy metal carbide would form. The pyrolysis may be carried out in either a one-stage process using a non-oxidizing environment, or a two-stage process wherein the fibre is dried and heated for at least one minute at a temperature of at least 200‹ C. in the presence of air so as to cause the fibre to pass through the pyrolytic stage and produce an electrically non-conducting fibre having a carbon content of 50 to 65% by weight and a nitrogen content of at least 1% by weight, each being exclusive of heavy metal, and then, carbonizing this fibre in a non-oxidizing environment. Suitable heavy metals are fissionable actinides, W, U, Ta, Th, Zr and Mo.
Patent GB-1394711-A (GB)
Title: Vacuum skin packaging and packages
IPC: B65B31/00
Filed: 1972-07-13
Abstract: 1394711 Vacuum packaging NEWPORT GENERAL CORP 13 July 1972 [16 July 1971 24 May 1972] 32799/72 Heading B8C In a vacuum packaging method, an article 22 is placed between sheets 15 and 23 of non- porous, non-cellular, heat-sealable material, the lower sheet 15 being formed with a multitude of convex protrusions 20 whereby collapsible, heat-sealable evacuation channels 21 are defined between the over-lying parts of the sheets and between sheet 15 and vacuum platen 10, heat is applied by lamp 17 to soften the sheets, and the space 34 round article 22 is evacuated by pump 18, the seal between sheets 15, 23 being formed slowly as the protrusions 20 collapse. An adhesive may be used to assist the sealing. In another embodiment, after evacuation, an inert or sterilizing gas may be introduced into the sealed package.
Patent GB-283519-A (GB)
Title: Improvements in wheel rims
IPC: B60B21/12
Filed: 1927-12-05
Abstract: 283,519. Stiehl, F. Jan. 12, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Tyre attachments to rims. - The accidental removal of tyre covers from well-base rims due to deflation is prevented by a filler a rising continuously from its ends from the bottom of the well-groove with inclined sides up to the highest point of the latter. The filler may have inclined side margins to rest on the inclined side of the well in the rim.
Patent GB-360659-A (GB)
Title: Improvements in and relating to sheet metal boxes
IPC: B65D43/24
Filed: 1930-11-01
Abstract: 360,659. Stays for box lids. WAGSTAFF, H. and READS, Ltd., 21, Bridgewater Street, Liverpool. Nov. 1, 1930, No. 32876. [Class 65 (i).] A sheet - metal box with a hinged lid has clips 4 pivoted to. the lid and adapted to be moved into engagement with the rim of the box near the hinge 6 to hold the lid in its open position. The lid is provided with rings 8 or other means for hanging the open box on a wall; a mirror 3 is fixed in a light frame inside the lid.
Patent GB-1474056-A (GB)
Title: Method for the manufacture of sodium chloride or  brine and/or caustic soda and engineering brick from alumina  plant red mud
IPC: C04B35/18
Filed: 1974-07-25
Abstract: 1474056 Brine from alumina plant red mud UNIVERSITY OF GUYANA and G ONYEMAUWA 25 July 1974 32926/74 Heading C1A Sodium chloride in the form of brine is produced from alumina plant red mud by heating it in the presence of sufficient hydrochloric acid to produce a pH of 5À5 to 6, and then separating the solids from the liquid phase. Preferably the mud is dried at 115‹ C., formed into an aqueous slurry and treated as above at 70-80‹ C. The brine may be concentrated and electrolysed to form caustic soda. The solid residues may be mixed with kaolinitic clay, shaped and fired at 1090‹ to 1150‹ C. to form engineering bricks.
Patent GB-788902-A (GB)
Title: Improvements in or relating to gas cooled nuclear reactors
Inventor: LONG EVERETT
IPC: G21C13/028
Filed: 1954-11-13
Abstract: 788,902. Nuclear reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Nov. 9, 1955 [Nov. 13, 1954], No. 32942/54. Class 39(4). In a nuclear reactor comprising a graphite core, a gas seal between the reflector structure 11 and a pressure vessel 10 containing the reactor consists of a flange 16 supporting flexible webs 21 extending radially into slots 15 within the structure. The webs 21 are thickened at the inner edge by steel members 23, or by curvature of the webs, Fig. 4. In a further form, Fig. 5, the web is fabricated with a fold to allow for greater expansion. The graphite structure rests on roller bearings 12 on a base plate 13 on a grid 14 supported by the dished end of vessel 10. Preferably two rings of webs are used, as shown. The graphite core has spaces allowing for Wigner growth and the reflector has spaces to equalize gas pressure and avoid explosive forces from arising within the core.
Patent GB-537429-A (GB)
Title: Improvements in glass melting tanks
IPC: C03B5/42
Filed: 1939-12-28
Abstract: 537,429. Bricks for glass furnaces. CORNING GLASS WORKS. Dec. 28, 1939, No. 32980. Convention date, April 22. Drawings to Specification. [Class 22] The superstructure of a glass tank furnace between the glass line and the crown arch is made in whole or in parts of blocks cast to shape from molten material analytically containing principally alumina, silica and over 10 per cent. of zirconia. The zirconia may be added to the batch as the common ores containing zircon or Baddeleyite. Parts of the furnace specified as formed of the blocks are the breast walls, port jambs, port bottoms, port arch, tuck stones, doghouse.
Patent GB-1193992-A (GB)
Title: Dough Cutting Device
Inventor: ADAM GERHARD
IPC: A21C5/00
Filed: 1967-07-18
Abstract: 1,193,992. Dough cutting device. VEREINIGTE BACKEREIMASCHINENWERKE VEB. 18 July, 1967, No. 33010/67. Heading B5A. In a device for continuously cutting pieces from strands of dough fed from a grooved roller to a cutter shaft equipped with blades situated on opposite sides of the shaft and in staggered relationship to each other along the length of the shaft, the cutter is mounted in a U-shaped frame which is pivoted so that the cutter bar can be oscillated out of contact with the grooved roller by means of a cam. As shown the cutter comprises an axle 2 and blades 1, 1<SP>1</SP> engaging with a grooved roller 4. The U- shaped framework (seen edge-on) comprises a framework 3 pivoted at 6 on which the cutter bar 2 and a fixing bar 7 are mounted. A roller 8 mounted on bar 7 engages a cam 11 and rotation of this cam moves the cutter bar into and out of contact with the grooved roller 4. The cutter bar 2 is driven from the cam drive by a chain 14 maintained in tension by a tensioner 15. In operation, while the blade 1 is cutting dough on roller 4, the cam 11 rotates from the position with point X in contact with wheel 7 to the position shown, and the cutter assembly does not move. As the cam rotates further the wheel 7 rises quickly and the cutter blades descend and are then brought sharply to a stop, throwing the dough from the blades. Rotation of the cam until position X<SP>1</SP> contacts the wheel 7 restores the cutter arm to its original position and commences a new cut with arm 1 in contact with grooved roller 4.
Patent GB-1413231-A (GB)
Title: Steam generator with split flow preheater
IPC: F22B1/02
Filed: 1973-07-11
Abstract: 1413231 Steam generators with preheaters WESTINGHOUSE ELECTRIC CORP 11 July 1973 [24 July 1972] 33021/73 Heading F4A A steam generator, of the type in which a heating fluid passes through U-tubes 3 between inlet and outlet chambers 17 and 19 and feedwater enters at 27, is provided with a preheater 31 at the lower end of those legs of the tubes 3 that carry heating fluid to the outlet chamber 19 (see Fig. 2) which has an arrangement of baffles which directs the water along two courses -upward and downward over tube sheet 13 and the baffles are arranged so that approximately 70% of the water takes the upward course. In the embodiment shown steam separators are arranged in the upper portion of the generator and separated water is reurned through annular space 43 to mix with the feedwater emerging from the lower end of the preheater; a baffle 45 prevents direct impingement of feedwater against the U-tubes 3. In another embodiment (Figs. 3-6, not shown) a central partition is provided between the legs of the tubes 3 and steam passes downwardly to be superheated before leaving an outlet situated opposite the inlet 27. A further embodiment (Figs. 6-8, not shown) is similar but the dividing partition is moved to midway among the legs of the tubes 3 which carry heating fluid upward from the inlet chamber 17.  Reference has been directed by the Comptroller to Specification 1,341,934.
Patent GB-1353873-A (GB)
Title: Alphaolefin production
IPC: C07C2/36
Filed: 1972-07-14
Abstract: 1353873 α-Olefins SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 14 July 1972 [16 July 1971 (2)] 33032/72 Heading C5E [Also in Division B1] Linear α-olefins are produced by the oligomerization in the liquid phase of ethylene in the presence of a catalyst produced by contacting a divalent Ni salt, a boron hydride and a tertorganophosphorus compound containing at least one carboxy or alkali carboxylato group in the presence of ethylene and a polar solvent. The preferred catalytic materials an NiCl 2 , NaBH 4  and 0-(dihydrocarbylphosphino) benzoic acid or alkali metal salt thereof, or a phosphino acetic acid or salt thereof. The oligomers exemplified are in the C 12 -C 20  range and can be separated into an upper, intermediate and lower olefin fraction. The intermediate is recovered as product and the others are subjected to double bond isomerization followed by disproportionation and separation into a second lower, intermediate and higher olefin fraction. The isomerization process is then repeated.
Patent GB-854399-A (GB)
Title: Improvements in and relating to shuttlecocks
IPC: A63B67/18
Filed: 1955-11-18
Abstract: 854,399. Shuttlecocks. NASH, R. J., and LASHLEY, C. J. W. Nov. 19, 1956 [Nov. 18, 1955], No.;33114/55. Class 132(3). A shuttlecock comprises a skirt member S and cap member C both formed of plastic material, the cap consisting of a membrane 1 formed on its underside with a plurality of cylindrical projections 2 having chamfered edges 3 ; an outer collar 4 and a central hollow spigot 5 are provided on the other side of the membrane. The skirt, which is of lattice construction, may be made in accordance with Specifications 763,756 and 832,198 and at its narrow end is formed with a membrane 8 from which extend a peripheral flange 9 and a hollow spigot 10. The cap and skirt, which are fitted together by means of their flanges and spigots, are secured by a pin 11 which also gives rigidity to the assembly. The positions of the flanges 4 and 9 may be reversed, Fig. 1 (not shown), the cap then fitting inside the skirt. In a further modification, the pin for securing the cap and skirt members together is integral with the skirt membrane. The cap may be constructed in accordance with Specification 805,444.
Patent GB-1184525-A (GB)
Title: Improvements in or relating to Internal Combustion Engines.
IPC: F01L7/00
Filed: 1968-07-11
Abstract: 1,184,525. I. C. engine valves; inlet and exhaust systems. KUBOTA TEKKO K. K. July 11, 1968 [July 18, 1967], No.33185/68. Heading F1B. Air or air/fuel mixture is supplied to an I.C. engine through a valve controlled inlet port and also through a valve controlled exhaust port and the exhaust passage 6 is provided with a rotary control valve 7, which operates to connect the exhaust port to an exhaust manifold 25 and an inlet manifold 26. The control valve 7 has a plate 16 controlling communication between the passage 6 and the exhaust passage 21 leading to the manifold 25 and plates 17, separated from the plate 16 by plates 18, controlling communication between the passage 6 and the inlet passages 22 leading from the manifold 26. The engine may be supercharged.
Patent GB-788720-A (GB)
Title: Diamond abrasive blades
IPC: B23D61/02
Filed: 1956-10-31
Abstract: 788,720. Abrasive tools. CARBORUNDUM CO. Oct. 31, 1956 [Dec. 21,1955],no. 33194/56. Class 124. An abrasive blade comprises a steel centre 6 and a peripheral portion made up of a number of lands 9 with slots 8, and a bonded diamond segment 10 bonded to each land 9, each segment 10 being substantially L-shaped, one leg extending along the peripheral edge of the land 9, the second leg 11 extending along a radial edge 12 of a slot 8. The second leg 11 may overhang the radial edge 12 or be bonded in a recess therein. The segments may be slightly wider than the thickness of the steel centre 6. Preferably, the diamond particles of the bonded abrasive segments are concentrated in the outer portion of the peripheral leg and the radial leg portion, or in the outer part of the peripheral leg, with a base which is highly wear resistant, e:g. tungsten carbide. The sides of the slots may be canted from the radial direction. Specifications 359,637, 516,702 and 532,890 [both in Group V] are referred to.
Patent GB-341998-A (GB)
Title: New or improved appliances for playing a table game
IPC: A63F7/40
Filed: 1929-11-01
Abstract: 341,998. Table games. MILBORNE, E. A., 71, High Street, Chorlton-on-Medlock, Manchester. Nov. 1, 1929, No. 33197. [Class 132 (ii).] In appliances for playing a table football game of known kind, the rectangular field of play b is of green baize marked out by means of stitches, the men are represented by twenty-two discs c having round edges and flat sides to each of which a coloured circular wafer is applied, and the goals a each comprise a cross bar supported on parallel and rearwardly extending feet. The discs are propelled towards the ball, which is similar to a table-tennis ball, by means of a flipper d having a round pointed end. Each disc may be provided with a central hole from which lines radiate to the periphery.
Patent GB-1189110-A (GB)
Title: Improvements in or relating to a Harvesting Machine
IPC: A01D41/14
Filed: 1966-11-15
Abstract: 1,189,110. Harvesting machines. BRITISH LELY Ltd. 15 Nov., 1966 [27 Oct., 1966], No. 33234/68. Divided out of 1,189,109. Heading A1F. The subject matter of this application is included in Specification 1,189,109. The claims relate to the arrangement of the reels.
Patent GB-656713-A (GB)
Title: Improvements in or relating to fluid seals
Inventor: BARSKE ULRICH MAX WILLI
IPC: F16J15/42
Filed: 1948-12-24
Abstract: 656,713. Stuffing-box substitutes. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Dec. 24. 1948, Nos. 33242/48 and 422/49. [Class 122(v)] In a seal for preventing leakage of fluid between a rotating shaft 2 and a stationary casing 3 of the type comprising a hollow impeller which is capable, by rotation, of imparting movement to liquid contained within it and thereby generating centrifugally a fluid pressure sufficient to prevent leakage of fluid past a barrier member situated within the impeller, the impeller is built up from a pair of flanged, disc-like members 4, 5, the flange 8 of one of which is a press-fit on the flange 9 of the other, the barrier member 12 having a tubular portion 13 which projects through a central aperture 11 in the impeller member 4 and is a press-fit in a tubular portion 14 of a member 15 which is secured by bushes 16, 17 to the casing 3. Oil is fed through a passage 18 and a hole 19 into the impeller, any escaping therefrom finding its way to the bearing 1 or to a drain passage 20 in the casing. In another embodiment a second stationary member similar to the member 15 surrounds and is spaced from the member 15 to provide an oil passage from the hole 19 to the impeller.
Patent GB-737847-A (GB)
Title: Improvements in or relating to distant synchronisation of television equipment
IPC: H04N5/073
Filed: 1953-11-30
Abstract: 737,847. Automatic phase control systems. RADIO-INDUSTRIE. Nov. 30, 1953 [Dec. 5, 1952], No. 33249/53. Class 38 (4). [Also in Group XL (b)] The frequency and phase of the line synchronisation pulses of distant television cameras are controlled in such manner that the synchronising pulses received from the cameras at the control station are coincident n phase and switching of different channels thereby facilitated. To this end low-frequency oscillators O<SP>1</SP>1-O<SP>1</SP>3 at the control station A, one corresponding to each remote camera, each of frequency a sub-harmonic of twice the line synchronising frequency, and amplitude modulating different carrier frequencies are sent by cable or radio from corresponding transmitters A<SP>1</SP>1- A<SP>1</SP>3 for reception each by a particular camera 1, 2 or 3, the line frequency being there derived by frequency multipliers. The composite video signal from each camera is then transmitted by cable or radio to particular receivers R1- R3 at the control station where the received line pulses are compared in phase with a monitoring frequency, e.g. one of the oscillators O<SP>1</SP>1 in phase comparators C1-C3 whose outputs control the respective phases of the oscillators O<SP>1</SP>1-O<SP>1</SP>3, e.g. by energizing a servomotor which temporarily adjusts a condenser in the tank circuits of the oscillators O<SP>1</SP>1-O<SP>1</SP>3 until the received line synchronising pulses from different cameras are co-phasal. Alternatively a separate and remote oscillator connected by radio or cable with the control station may be used as the monitor. The outputs of receivers R1-R3 are then directly connected to the switching unit D feeding the television transmitter E through a video and pulse shaping amplifier M. At the remote camera units the low frequencies are demodulated, multiplied in frequency to twice that of the line synchronising pulses and used to control the frequency of an oscillator controlling the line synchronising pulse generator.
Patent GB-366588-A (GB)
Title: Improvements in or relating to liquid fuel injection pumps for internal combustion engines
IPC: F02M59/26
Filed: 1930-11-07
Abstract: 366,588. Fuel - injection p u m p s. NAPIER & SON, Ltd., D. and WILKINSON, G. S., 211, Acton Vale,. London. Nov. 7, 1930, No. 33524. Addition to 353,771. [Class 102 (i).] In a fuel-injection pump as described.in the parent- Specification wherein to terminate deliverv the delivery passage is closed simultaneously with the opening of the suction or relief port, means are provided wherein the delivery passage is reopened immediately after closing it to relieve the pressure therein. The Figure shows a pump the plunger B of which is provided with a helical groove L the edges of which co-operate with the suction port D and delivery port C and also a subsidiary helical groove L<2> the edges arranged so that regardless of the rotational position of the plunger, the delivery port is reopened immediately after closing.