baber/WOPTO huggingface dataset:
Patent GB-1247078-A (GB)
Title: Fabrication of photomasks
IPC: G03C5/44
Filed: 1969-09-05
Abstract: 1,247,078. Photographic silver halide developers. RCA. CORPORATION. Sept.5, 1969 [Sept.13, 1968], No.43992/69. Heading G2C. A photographic silver halide developer contains a silver halide developing agent and a silver oxidizer, e.g. potassium ferricyanide, potassium oxalate, sodium arsenate, ferrous sulphate or hydroxylamine sulphate, which bleaches silver metal to a silver salt. The developer provides sharp images without fog for the production of photo-masks for photo-lithography by bleaching silver fog caused by scattered light.
Patent GB-950689-A (GB)
Title: A mixing reactor
IPC: B01F27/93
Filed: 1961-12-08
Abstract: 950,689. Mixing apparatus. FAR FABRIKEN BAYER A.G. Dec. 8, 1961 15, 1960], No. 44115/61. Headings Bl( B1F. In a mixer or reactor comprising a cylindrical container closed at both ends and provided with inlets and outlets for liquids which flow continuously through the container, there is a single rotatable stirrer comprising a rectangular frame b journalled in the ends of the container and carrying a plurality of liquid pervious discs d (which may be of wire mesh e). The effect is to create a succession of defined zones of turbulence h corresponding the stages of a multi-stage reactor or cascade of reactors.
Patent GB-1177308-A (GB)
Title: Process for the Production of Dimethyl Sulphoxide
IPC: C07C/
Filed: 1968-09-19
Abstract: 1,177,308. Dimethyl sulphoxide. GLANZSTOFF A.G. 19 Sept., 1968 [4 Nov., 1967], No. 44497/68. Heading C2C. [Also in Division C7] Dimethyl sulphoxide is prepared by anodic oxidation of dimethyl sulphide in the presence of water and one or more electrolytes. An organic solvent may also be present. D.C. or A.C. may be used. Specified electrolytes include H 2 SO 4 , NaOH, HCl, pyridine, tetramethylammonium hydroxide and various salts soluble in dimethyl sulphoxide, e.g. Ag, Co, Ni, Hg and Pb nitrates, cobalt sulphate and cobalt acetate.
Patent GB-1126633-A (GB)
Title: Continuous metal casting equipment
IPC: B22D11/10
Filed: 1965-10-21
Abstract: 1,126,633. Continuous casting., PADERWERKE GEBR. BENTELER. 21, Oct., 1965 [23 Oct., 1964], No. 44554/65. Heading B3F. In a continuous casting apparatus in which at least one tundish 13 feeds into a mould 16, there are at least two ladles 4, 5 which can be positioned alternately over the tundish 13 or tundishes to maintain an uninterrupted flow to the mould or moulds. The molten metal may be gas protected. A cover 8 with a burner 9 is placed automatically on whichever casting ladle is in use and each ladle may have two controllable outlets, Fig. 2 (not shown), to supply two casting lines, each with its mould and tundish which can be swungs away for repair &c. on a carrier (25 or. 26) to. be replaced by a second tundish. The tundish 13 is movable, beneath a fixed cover 12, with a simultaneous, horizontal and tilting movement, as described in Specification 1, 125, 618, e.g. to a position 13b for emptying residue metal into a slag vat 13c. The strand 20 passes from withdrawal rolls 19 and a bending device 21 into a shoot 22 to straightening rolls and a cutter 24.
Patent GB-1454016-A (GB)
Title: Process for the production of polyurethane foams with a high  filler content
IPC: C08G18/08
Filed: 1974-10-15
Abstract: 1454016 Polyurethane foams BAYER AG 15 Oct 1974 [16 Oct 1973] 44559/74 Heading C3R A polyurethane foam containing >50% by wt. of filler, based on polyurethane is made by (1) mixing together a polyether of MW 400- 10,000, a mineral filler, a chemical or physical water-binding agent, a mono- or bi-cyclic amidine and a monocarboxylic acid and/or a low-boiling organic compound of b.p. < 100‹ C. or a gas-liberating organic compound, (2) reacting with a polyisocyanate and optionally a low-M.W. polyol of M.W. <400, and (3) solidifying by briefly heating to an elevated temperature. There may be #350% wt. filler. The polyether may contain 2-8 OH groups. There may be 1-10% wt, based on polyurethane, of the water-binding agent, which may be an alkali metal aluminosilicate molecular sieve or CaO or BaO. The amidine catalyst may be where m = 2 or 3, n = 3-5, and R is organic. R may be  The foam may be moulded and solidified by heating to 90‹ C. or doctored on to a conveyer belt or fabrics, e.g. carpets, and passed through a heating channel at 100-120‹ C. The foam may have a closed surface skin on both sides. Other uses are seals for air-fitters or clay pipes, sheets or bands for textile coating, sound insulation, and coating compounds for the building industry.
Patent GB-999684-A (GB)
Title: Improved wiring arrangement for the arresting of the longitudinal, transverse and depth movement of a spot film device or of a fluorescent screen of an x-ray examination table
IPC: A61B6/04
Filed: 1963-11-12
Abstract: 999,684. X-ray apparatus. CHIRANA PRAHA, NARODNI PODNIK. Nov. 12, 1963 [Nov. 13, 1962], No. 44671/63. Heading H5R. In X-ray examination apparatus in which a serial radiography apparatus or a fluorescent screen may be moved by a motorized drive and then locked in position by electromagnetic means and in which the patient table may be elevated by an electric motor, the control circuits for the serial radiography apparatus or fluorescent screen, drive motor and the table drive motor are interconnected with the circuits of the electromagnetic locking means so that the looking means are de-energized when the drive motors are energized. In addition the drive motors are de-energized and the locking means energized when the photographic exposure is made. The Figure shows a circuit in which electromagnet coils 1, 2 and 3 of the arrest devices for the depth, longitudinal, and traverse movements respectively of the serial radiography apparatus may be energized by manual push buttons 4 and 5 to lock the apparatus into position. Further push buttons 6 and 7 may be operated to move the patient table up or down respectively by energizing relays 8 and 9. Relays 8 and 9 have auxiliary contacts 10 and 11 which are opened when the relays are operated thus cutting off the supply to the holding devices 1, 2 and 3. Similarly the serial radiography apparatus may be longitudinally traversed one way or the other by energizing relay 19 or 20 with switches 17 or 18, the relays being provided with contacts 12 and 13 in the holding device supply circuits. In addition contacts 21, 22 and 23 are coupled to the photographic exposure button and they cut the motor drives and energize the locking device during an exposure.
Patent GB-1193175-A (GB)
Title: Heat Exchanger
IPC: F28D7/02
Filed: 1967-10-02
Abstract: 1,193,175. Boilers. WESER A.G. 2 Oct., 1967 [1 Oct., 1966], No. 44811/67. Heading F4A.  In a boiler comprising concentric walls 5, 6 formed by coiled tubes and defining annular passages through which the flue gases flow from the combustion space 10, the boiler is formed of separate sections 2 joined together, each section comprising a portion of the outer wall and a section of the walls 5, 6. The tubes in the walls 5, 6 may be connected in series, the outer wall portion in each section being connected to the inner wall portion and the outlet pipe of the tubes in each section connected to the inlet pipe of the tubes in the adjacent section. Alternatively the tubes in each section may be connected in parallel, the inlet to the tubes in each section being connected to a common inlet manifold and the outlet to a common outlet manifold. The ends of the combustion space are closed by ceramic walls 11, 12, with a burner mounted at 13, and superheater tubes 8 may be mounted in one of the annular flues. Each section 2 may be provided with support members 18.
Patent GB-1118787-A (GB)
Title: Laminates
Inventor: DOW JAMES
IPC: D21H27/34
Filed: 1965-10-23
Abstract: 1,118,787. Filter medium. SMITH & NEPHEW PLASTICS Ltd. 19 Oct., 1966 [23 Oct., 1965], No. 44963/65. Heading BID. [Also in Division B5) A laminate comprises at least one sheet 2 of a non-woven, flexible, organic, fibrous material, e.g. bonded fibre fabric or paper, united by an adhesive, e.g. polyvinyl acetate or a cross-linking acrylic adhesive, to a sheet 4 of a non-woven net of thermoplastic material. The non-woven net may be formed by stretching an embossed sheet of a polyolefin, e.g. high density polyethylene. The laminate may be formed by coating a web of the net material with an adhesive and calendering it together with two webs of the fibrous material between two rolls. The laminate is then cut to a desired width. The laminates may be used for making disposable clothing and articles for cleaning. When bonded fibre fabrics are used the laminates may be made into filters for milk.
Patent GB-1190606-A (GB)
Title: Photographic Composing Machine and Method for its Use.
Inventor: BROWN ROBERT NEWELL
IPC: B41B23/00
Filed: 1967-10-04
Abstract: 1,190,606. Photographic composing apparatus. ELTRA CORP. 4 Oct., 1967, No. 45179/67. Heading B6W. [Also in Division B8] Apparatus for composing and arranging classified advertisements in a column format comprises a photographic station through which cards carrying separate advertisements are passed, means for projecting an image of an advertisement on to sensitized material moving through an imaging station, conveyer means for the cards, means for reading coding carried on the card to indicate the length of the advertisement, and control means actuated by the codereading means for moving the sensitized material through the imaging station only when a card is passing through the photographic station, and at a rate which is proportional. Photographic station.-A card 11 is provided with apertures at either end of the advertisement (Fig. 5, not shown) which co-operate with photo-cells (Fig. 3, not shown) for initiating and halting the photographic operation, which is performed by means of lamps 137, 140, lens 126, aperture 130, prism 132 and aperture 135, in conjunction with a shutter (not shown). The photo-cells are only operative when a card is contacting both actuating arms 95, 96. Imaging and developing stations.-A reel 141 supplies sensitized film 21 across idler rollers 145, 146 behind aperture 135 under the action of drive roller 147. The film then passes to a developing station 150 comprising a developer tank 151, a fixer tank 152 and a wash tank 153, the feed rollers 157 co-operating with guides 156. Drive mechanism (Fig. 4).-A motor (72) (Fig. 6, not shown) provides the main drive through roller 75 to the conveyer belts 76 for the cards 11; these belts also serve to drive shaft 165 which is connected via gears 170, 171 and clutch 175 to a frusto-conical roller 180; the drive roller 147 for the film 21 is carried on shaft 185 and a roller 186 rides on the frusto-conical roller 180, this roller 186 being movable under the control of crank handle 197 and threaded shaft 191. Thus, by turning handle 197, the speed of roller 147 can be altered so that film 21 moves faster or slower across aperture 135, and hence compresses or stretches the column on film with respect to the cards forming the column. A dial 202 indicates the setting of roller 186. Measuring length of advertisements (Fig. 4).- A non-photographic run for a column can be performed to determine the length of the column, and hence the desired compression or expansion can be calculated, by means of roller 206 driven by belts 76, and clutch 205 which is operated by the photo-cells responsive to the apertures in card 11. A length-calibration dial is attached to shaft 207 supporting the roller 206 and clutch 205.
Patent GB-1444891-A (GB)
Title: Variable interval traffic density meters
IPC: G08G1/02
Filed: 1972-10-02
Abstract: 1444891 Counting vehicles or other flowing objects INDUSTRY SECRETARY OF STATE FOR 25 Sept 1973 [2 Oct 1972] 45258/72 Heading G4D In apparatus for recording vehicular or other traffic-density two counters 27, 28 count passing objects during alternate time periods, each being read out and reset while the other is counting. Pneumatic road tube contacts 10, or other detectors, operate a relay 11 to trigger a monostable 13. An oscillator 15-17 delivers pulses at one per second to dividers 18-21 and a switch 23 which selects the length of the time periods. The output of monostable 13 is coupled via NAND-gates 14A, 14B, which are alternately enabled by a bi-stable 25 controlled by the output of switch 23, to the two counters 27, 28. Further pulses from bi-stable 25 enable NOR- gates, 29 or 30 as necessary, to feed the value of the count made in the last time period to an A/D converter 32 which delivers at its terminals 33 a voltage proportional to the count. A short time after bi-stable 25 changes state a delay monostable 37 triggers a relay R2 which connects a data logger (not shown) to the terminals 33 of the A/D converter to record to count.
Patent GB-1064709-A (GB)
Title: Topical pharmaceutical compositions containing tarry substances
IPC: A61K35/02
Filed: 1965-10-27
Abstract: Topical pharmaceutical compositions comprise the tarry residue remaining in a container after paper has been burnt therein in the presence of air and the ash removed, together with a topically acceptable diluent or carrier.  The tarry substance is obtained by burning paper, preferably Kraft paper, in a basin, removing the ash, and dissolving the residue in water, after which the solvent is evaporated with heating to leave the product.  The compositions may take the form of lotions, ointments, creams, solutions, suspensions, emulsions, or powders, with conventional diluents such as polyethylene glycols, oils and waxes of vegetable or mineral origin, alcohol, water, lanolin, sorbitol, surface active agents, and zinc oxide, calamine, or talc.  The compositions are useful for treating slein conditions, both infective and dermatitic, and to assist wound healing.
Patent GB-1400595-A (GB)
Title: Interconnecting structural elements
IPC: E04B1/21
Filed: 1972-10-03
Abstract: 1400595 Interconnecting concrete members DOWSETT ENG (AUSTRALIA) PTY Ltd 3 Oct 1972 [23 Nov 1971 30 Nov 1971 20 Jan 1972] 45622/72 Heading E1W [Also in Division F2]  Structural concrete elements, a column 10 and beam 11, are interconnected by means of sockets 16, 17 embedded in the faces of the elements which abut. A spigot member 12 in the form of a tube with a blanked off end is slidably mounted within one of the sockets 16 and is moved into engagement with the other socket 17 by pressurised air forced through the pipe 21 driving the spigot piston like. Alternatively magnetic or mechanical devices may be used to move the spigot. When in position the spigot is locked in place by bolts 20 passing through aligned holes 18, 19. Concrete grout is then forced into the cavity 13 behind the extended spigot.
Patent GB-1004732-A (GB)
Title: Improvements in or relating to door latch mechanisms
Inventor: PRICE MICHAEL PETER JOHN
IPC: E05C3/16
Filed: 1961-12-21
Abstract: 1,004,732. Latch fastenings. WILMOTBREEDEN Ltd. Dec. 21, 1962 [Dec. 21, 1961], No. 45755/61. Heading E2A. A door latch mechanism comprises a latch lever 6 pivotally mounted on a bracket 1 and spring loaded to latching position for engagement with a keeper 12, and a retaining lever 13 pivoted to the latch lever and adapted to engage a fixed abutment on the bracket when the latch lever is in the unlatched position to retain the latch lever in that position, the retaining lever then being so positioned that during a latching operation it is displaced to release the latching lever and trip the fastening. In the construction shown the end of the latch lever which engages the keeper is provided with a roller 10 the roller being mounted on the cranked end of a rod 8 which at its other end is connected to a bell crank lever 20 which is engaged by a release push button depression of which thus lifts the rod 8 to turn the latch lever upwardly to its unlatching position in which the keeper 12 can be withdrawn. The rod 8 is loaded downwardly by a spring 9. The retaining lever 13 is mounted on the cranked end of the rod 8 at one side of the latch roller 10 and the lower arm 14 of the lever slides along a surface 15 of the abutment which is provided by an upturned bottom section of the bracket 1 upon which most of the mechanism is mounted. A small tension spring 16 is connected between the latch lever 6 and the upper end of the other arm 17 of the retaining lever 13 to urge the latter into engagement with the surface 15. When the bell crank 20 is operated to raise the rod 8 the arm 14 slides along the abutment surface 15 to the position in which the arm 14 is substantially in line with the rod 8 so that the loading of the spring 9 urges the retaining lever 13 directly into the abutment surface and the lever acts as a strut to retain the latch lever 6 in the unlatching position. On door closure a forward surface 24 of the keeper engages the retaining lever 13 and moves the arm 14 along the abutment surface 15 towards the latching position illustrated; during this movement it ceases to act as a strut and the spring 9 moves the latch lever 6 into the latching position in engagement with the keeper 12. The keeper has a radiused latching surface 25 to provide a pulling action against the door seal. In a modification the bell crank 20 instead of being actuated by a push button is actuated by a lever handle.
Patent GB-1135789-A (GB)
Title: Production of isatoic anhydride and halo derivatives thereof
Inventor: HILL DONALD RUSSELL
IPC: C07D265/26
Filed: 1966-10-14
Abstract: 1,135,789. Isatoic anhydride and halogen derivatives thereof. MAUMEE CHEMICAL CO. 14 Oct., 1966, No. 45930/66. Heading C2C. Isatoic anhydride and halogen derivatives thereof of the formula in which Z, Z<SP>1</SP>, Z<SP>11</SP> and Z<SP>111</SP> denote hydrogen or halogen atoms, are made from phthimide or the corresponding halogenated phthimide by a process comprising converting the phthimide into an aqueous solution of a salt, treating the salt solution with a metal hypohalite, such as sodium hypochlorite, and finally acidifying the mixture. The time which should elapse between the formation of the salt solution and the addition of hypohalite is indicated graphically by reference to the reaction temperature, which may be up to 45‹ C. The final acidification should be sufficient to establish a pH value of 5À5-9. Examples are given.
Patent GB-1207855-A (GB)
Title: Photographic antifoggants
Inventor: WILLEMS JOSEF FRANS
IPC: G03C1/34
Filed: 1967-10-09
Abstract: 1,207,855. Bis - tetrazoles. GEVAERT - AGFA N.V. 2 Oct., 1968 [9 Oct., 1967], No. 46105/67. Heading C2C. [Also in Divisions G2-G3] 1,2 - Bis - (5 - tetrazolyl) - ethene is prepared by heating 0À4 mole of NaN 3 , 0À4 mole of NH 4 Cl and 0À2 mole of fumaronitrile in dimethyl formamide. 1,3 - Bis - (5 - tetrazolyl) - propane is prepared similarly from gluctaronitrile.
Patent GB-1028475-A (GB)
Title: Improvements in or relating to clay catalysts
IPC: B01J21/16
Filed: 1962-12-07
Abstract: Clay is activated by treating each 100 part portion of raw clay with 4 to 20 parts of an acid selected from mineral acids, polyhaloacetic, benzene or xylene sulphonic acids at from room temperature to 130 DEG C. in the presence of 100 to 500 parts of an inert organic liquid selected from hydrocarbons, alcohols, aldehydes, acids, esters, ketones, ethers, acetals and intro-compounds. A typical raw clay has the following analysis: SiO2 60 to 74%, Al2O3 12 to 22%, Fe2O3 1.5 to 3%, MgO 1 to 7% and CaO 0.25 to 3%.  The product is characterized by a basal spacing of 12 to 13 at 10-8 cms. and a sharp shape of diffraction maximum as determined by X-ray diffraction with a Philips X-ray diffractometer employing nickel filtered copper X-radiation at 40 KV and 35 ma.ALSO:An acidic clay of the montinorillonite type characterized by a basal spacing at 10-8 cms of 12 to 13 and a sharp shape of diffraction maximum as determined by X-ray diffraction analysis with a Philips X-ray diffractometer employing nickel filtered copper X-radiation at 40 KV and 35 ma is prepared by treating 100 parts of raw clay with 4 to 20 parts of an acid selected from mineral acids, polyhaloacetic, benzene or xylene sulphonic acids at from room temperature to 130 DEG C. in the presence of 100 to 500 parts of an inert organic liquid.  The latter is defined as a compound which does not react with the acid under activating conditions and selected from a wide range of organic compounds listed.
Patent GB-964030-A (GB)
Title: Winding apparatus
Inventor: FISHER ANTHONY JOHN
IPC: D04B35/00
Filed: 1961-12-27
Abstract: The apparatus of the parent Specification is modified in that there is provided to form the transfer tail a double-ended flexible lug projecting from the bobbin, the tips of which lie close to the surface of the stationary bobbin and are thrown out therefrom when the bobbin is rapidly rotated.  The lug may form part of an elastic band encircling the bobbin, and the tail may be secured by winding the material around the lug.
Patent GB-1362537-A (GB)
Title: Nematic liquid crystal composition
IPC: C09K19/22
Filed: 1971-10-05
Abstract: 1362537 Liquid crystal composition NORTH AMERICAN ROCKWELL CORP 5 Oct 1971 [6 Nov 1970] 46339/71 Heading C4X A dynamic scattering nematic liquid crystal composition for use in an electro-optic light valve comprises two or more substances each of the formula  where R 1  is CH 3  or C 2 H 5 ; R 2  is C n H 2n L 1 ; n is from 2 to 12; and (R 1 +R 2 ) contains at least 4 carbon atoms. A binary mixture is preferably at, or within 5% of, the eutectic composition. When R 1  is CH 3  and C 2 H 5 , and R 2  is n-C 4 H 9 , the claims are limited to within Œ5% of the eutectic composition, i.e. 55-65% of the methoxy compound and 45-35% of the ethoxy compound.
Patent GB-1440349-A (GB)
Title: Method of manufacturing etched patterns
IPC: H01L21/3065
Filed: 1973-10-04
Abstract: 1440349 Sputter etching PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 4 Oct 1973 [7 Oct 1972] 46376/73 Heading B3V In a method of manufacturing an etched pattern having a defined edge profile in a layer of material 2 by a sputter etching process, an aluminium, SiO or SiO 2  etching mask 1 having an edge profile 5 is used, the mask 1 being removed during the etching process, the completion of which coincides with the complete removal of the mask 1. In one embodiment, a layer 1 of silicon dioxide is formed by sputtering on the layer 2 to be etched, which comprises nickel iron, silicon nitride or platinum and which is mounted on a silicon substrate 3 having a silicon oxide surface layer. After covering the layer 1 with photolacquer, the latter is heated and exposed and developed to produce the desired pattern (4) (Fig. 1, not shown). Using the photolacquer layer 4 as a mask, the silicon dioxide layer 1 is chemically etched to produce a mask 1 having a sloped edge profile 5, Fig. 2. The pattern of the mask 1 is then transferred by sputter etching to the layer 2.