baber/WOPTO huggingface dataset:
Patent GB-603187-A (GB)
Title: Stabilized silver halide emulsions
Filed: 1945-10-18
Abstract: 603,187. Photographic material containing antifogging substances. GENERAL ANILINE & FILM CORPORATION. Oct. 18, 1945, No. 27399. Convention date, Oct. 17, 1944. [Class 98 (ii)] A photographic silver halide emulsion contains or is in contact with a layer (e.g. a backing, intermediate, subbing, protective, or baryta layer) containing an antifogging mixture comprising a sulphinic or seleninic acid or salt thereof and a sulphoxide of one of the formulµ Z.SO2.S.M and wherein Z is an alkyl, aryl, or heterocyclic radical, Y represents the atoms to complete an aromatic or heterocyclic ring, and M is ammonium, a metallic atom or organic cation. Compounds specified are diphenyl, ditolyl, dinaphthyl, 3 : 31-dicarboxydiphenyl, 2 : 5 : 2<1> : 5<1>-tetrachlorodiphenyl, dichloro-2: 2'-dinitrodiphenyl, dicamphoryl, and 1-cystine, disulphoxide ; and sodium, potassium, and guanidine benzenethiosulphonate. Examples are given of the addition to gelatin silver halide emulsions of mixtures of (a) sodium benzenesulphinate and diphenyl disulphoxide; (b) sodium benzeneseleninate and sodium benzenethiosulphonate; and (c) sodium benzenesulphinate and 1-cystine disulphoxide. Specification 441,625 is referred to.
Patent GB-274848-A (GB)
IPC: G03C7/14
Abstract: 274,848. Soc. Civile pour l'Etude, de la Photographie et de la Cinematographie en Couleurs. July 26, 1926, [Convention date]. Enlarging, copying, and reducing.-Apparatus for reproducing colour-record images on reticulated films comprises a lantern supplying diffused light to the film, an optical projection system of appropriate aperture, a second optical system adapted to intercept light passing through the interstices between the reticulations of the film to be reproduced in order to avoid a moire or watered pattern, and a compensator lamp adapted to fog or dim the film so that it will yield clearer images when reversed (from negative to positive). In the form shown, the film to be reproduced is fed through a gate I<1> illuminated by light from a series of lemps c<1> - - cn diffused from the rear wall c of the lamp housing. The images are projected by an optical system D upon a blank reticulated film fed through a gate I<2>. An optical device E comprising for example a screen having alternate opaque and translucent lines is provided and may be adjusted along the optical axis or in its own plane to remove watering in the projected image. Behind the gate I<2> is a lamp F, adjustable by a rheostat, for fogging the film. The Specification as open to inspection under Sect. 91 (3) (a) also states (1) that the apparatus. besides being used for reproducing reticulated films, may also be used for printing positives from negatives, or even simply for printing black and white counter-types; and (2) that the system E may comprise " a system of small-angled prisms, a twisted refractive blade, or a set. of cylindrical lenses with oblique axes." This subject-matter does not appear in the Specification as accepted.
Patent GB-239080-A (GB)
Title: Tampers and like impact tools
IPC: E01B27/14
Filed: 1924-11-18
Abstract: 239,080. Jackson, C. Nov. 18, 1924. Tamping-machines.-A tamping or ramming tool 25 is bolted to. the lower section 1 of a casing containing an electromotor with an unbalanced weight 23 fixed to the armature shaft 19. The two sections of the casing are connected by bolts 6, and the motor field 15 is attached to the upper section. The shaft bearings are formed with lubricant reservoirs 12, oil grooves 9, and oil retaining flanges 22. A handle 27 is connected to the casing by two spring arms 28, 29, the upper one pivoted at 34 and the lower arm 28 fixed rigidly to the lower section.
Patent GB-1155281-A (GB)
Title: Process for Preparing Allyl Chloride and its Monomethyl Substitution Products.
IPC: C07C17/156
Filed: 1966-06-20
Abstract: 1,155,281. Oxidation catalysts. FARBWERKE HOECHST A.G. 20 June, 1966 [19 June, 1965 (2)], No. 27540/66. Heading B1E. [Also in Division C2] A tellurium catalystwhich contains one or more alkali metal compounds and/or basic nitrogen compounds and/or salts of basic nitrogen compounds is used in the preparation of allyl chloride by the oxidation of hydrocarbons. The tellurium catalyst may contain elemental tellurium and/or at least one compound of tellurium selected from tellurium-IV oxide, chloride or oxychloride, tellurium-II oxide or chloride, telluric acid, hydrogen telluride, tellurous acid, metatelluric acid, a tellurite, tellurate or telluride, or an organic tellurium compound e.g. an alkyl- or a dialkyl-telluride, an alkyl-tellurium trichloride or a dialkyl-tellurium dichloride. The catalyst may be supported on an inert carrier material e.g. aluminium oxide, bentonite, silica gei, sandstone, silicon carbide, asbestos, carbon, weldspar pumice or another aluminium silicate. Examples describe the preparation of  tellurium-IV oxide/potassium chloride in aqueous hydrochloric acid supported on aluminium silicate; ortho-telluric acid/caesium chloride in aqueous solution supported on kieselgake; tellurium-IV chloride in concentrated hydrochloric acid supported on bentonite which is then treated with sulphur dioxide to reduce the tellurium compound to the elemental state; tellurium/rubidium chloride supported on bentonite; tellurium-IV oxide/ammonium chloride in 2N hydrochloric acid supported on silica. gel; tellurium-IV chloride reduced to the elemental state as above /ammonium chloride supported on bentonite.
Patent GB-413257-A (GB)
Title: The manufacture of stabilized diazo solutions
Filed: 1932-10-04
Abstract: Diazo solutions are stabilized by adding a dispersing or emulsifying agent forming aqueous solutions which are stable towards acids, e.g. purified sulphite waste liquor, the reaction products of carboxylic acids of aliphatic, cycloaliphatic or aromatic-aliphatic nature with organic aminosulphonic acids, sulphonation products of higher fatty acid amides (c.f. Specifications 341,053, 343,524, 343,899), compounds obtained by introducing polyglycolether residues containing 4 or more ethylene groups into organic compounds containing one or more hydroxy, carboxy or amino groups, and ester-like condensation products of higher molecular carboxylic and sulphonic acids containing hydroxy groups.  In an example, the diazo solution from 4-chloro-2-toluidine is treated with oleyl-methyltaurine (cf. Specification 343,899); oleylhydroxyethane sodium sulphonate or the product obtained by the action of ethylene oxide (20 mols.) on octodecylalcohol or oleylalcohol may also be used.
Patent GB-625834-A (GB)
Title: Improvements in or relating to surface finishing aluminium and its alloys
IPC: C23F3/03
Filed: 1946-09-13
Abstract: A process of brightening aluminium or alloys thereof consists in immersion for a suitable period in a bath containing phosphoric acid of specific gravity 1.72 with or without a quantity of added water not exceeding 20 per cent by volume of the diluted bath at a temperature adequate to ensure brightening of the surface of the articles being treated.  In the bath, sulphuric acid may be included in a proportion not exceeding two parts of sulphuric acid (specific gravity 1.84) to one part of phosphoric acid (specific gravity 1.72). A small proportion of a compound of a metal electronegative to lead may be present in the bath, which metal may be antimony, e.g. in the form of antimony trioxide.  After removal from the bath the articles may be allowed to drain so that they are further brightened by the liquid on the surface, and then rinsed in hot water, or in a hot solution containing sulphuric acid and chromic acid, or phosphoric acid and chromic acid, or they may be so rinsed without being allowed to drain.
Patent GB-1079414-A (GB)
Title: Derivatives of acetic acid and a process for their preparation
Inventor: SEYMOUR DONALD EDWIN
IPC: C07C233/12
Filed: 1965-06-30
Abstract: Novel compounds of formula <FORM:1079414/C2/1> in which each of R1, R2, R3 and R4 represents an alkyl group having 1-4 carbon atoms, an alkoxy group having 1-4 carbon atoms, a halogen atom, or a trifluoromethyl group, and each of n, m, p and q equals 0 or 1, are prepared by reacting an appropriately substituted salicylic acid with phosphorus oxychloride and phenol to give the phenyl ester, converting the ester to a salicyl-anilide by fusing the ester with an appropriately substituted aniline, preparing an alkali metal derivative of this compound and reacting the alkali metal derivative with ethyl chloracetate, and hydrolysing the ethyl 2-(N-phenyl)-carbamoyl-phenoxyacetate formed.
Patent GB-631804-A (GB)
Title: Method for the production of artificial semi-conductors
IPC: H02N13/00
Filed: 1946-09-14
Abstract: Artificial semi-conductors for the utilisation of the Johnsen-Rahbek effect described in Specification 144,761, [Class 37], are produced by mixing a powder of a substance having no metallic conductivity such as pulverised agate, slate, Solenhofer stone, soapstone, talc or flint, with an electrolytic conducting organic or inorganic substance, particularly water-glass, as a binding agent, and allowing the mixture to harden after moulding to the desired shape.  The mixture of powder and binding agent may be cast on a reinforcement of wires, preferably wire netting, and/or on a base, preferably a metallic base whose surface has been roughened.
Patent GB-852869-A (GB)
Title: Trend recorder
IPC: G01N30/86
Filed: 1959-08-13
Abstract: <PICT:0852869/III/1> In a system for recording the peak values of electric signals due to the component gases of a sample in a chromatography column, (see Group XXXVIII), a constant speed motor 27 controls the periodic rotation through 180 degrees of the core 23 of a sampling valve whereby the passage 24, through which the sample gas normally flows from a source 21, is put momentarily into communication with the stream of carrier gas such as helium flowing continuously from a source 19 to the column 17.
Patent GB-1014473-A (GB)
Title: Improvements relating to roller shutters
Inventor: MCCLENAN FRANK
IPC: E06B9/68
Filed: 1961-07-31
Abstract: 1,014,473. Roller type fire shutter. MATHER & PLATT Ltd. July 26, 1962 [July 31, 1961], No. 27654/61. Heading A5A. A fireproof roller shutter which is self-closing in the event if fire is actuated by a falling weight a adapted to fall only a predetermined length of the closing movement of the shutter by travelling down the guide rail b until halted by the pre-set stop o. A pivoted catch d is attached to the weight by a bracket c and maintains the shutter x in the raised (open) position by co-operating with the catch f, pivotally mounted in a fixed member h, upon which a fusible link assembly i is carried. When this link is broken, the catch and hence the weight are released from supporting pin e and urge the shutter downwards, the catch bearing on the flange n at the bottom of the roller. When the weight reaches the stop, the door continues to close and the latch falls to a vertical position in which it does not interfere with movement of the shutter, which may subsequently be raised and the mechanism re-set.
Patent GB-1382092-A (GB)
Title: Water closet construction
IPC: A47K13/12
Filed: 1972-02-28
Abstract: 1382092 Sanitary closets A E WARNBERG 28 Feb 1972 27678/74 Divided out of 1382091 Heading E1C A sanitary closet bowl 110 has an upwardly facing surface, preferably formed by a separate member 126 secured to the bowl by the engagement of integral spigots 128 in sockets 116 in the bowl, and a seat 118 is both detachably and pivotally connected to the bowl by providing it with a resilient, synthetic resin protruberant socket-engaging portion 122 which is pressed into an upwardly facing socket 124 formed in the upwardly facing surface of the bowl or member 126. In a modification (Fig. 4, not shown), the separate member 126 has studs (140) which are received in conventional bolt-holes (142) of the closet bowl.
Patent GB-1150443-A (GB)
Title: Improvements in or relating to Filters
IPC: F02M35/024
Filed: 1965-07-15
Abstract: 1,150,443. Filter. COOPERS MECHANICAL JOINTS Ltd. and S. P. WITCHELL. 27 June, 1966 [15 July, 1965], No. 27690/68. Divided out of 1,150,442. Headings B1D and BIT [Also in Division B5]  The disclosure corresponds to that of (Specification 1,150,442), but the claims relate to the polyurethane end cap and its moulding on to the reinforcing ring and filter medium.
Patent GB-278120-A (GB)
Abstract: 278,120. Duffield, F. L. July 26, 1926, Refractory substances.-Bricks, &c. made by moulding under pressure a fused or sintered mass of dolomite or magnesite are allowed to cool in the moulds after removal of the shape-forming pressure. Fluxes such as ferric oxide, clay or slag may be added to the basic material; the temperature employed may be 1200-1700‹ C.; steel or cast iron moulds may be used.
Patent GB-832983-A (GB)
Title: Pinch-cocks for use with plant-watering devices
Inventor: GLOVER CYRIL
IPC: F16K7/06
Filed: 1956-09-12
Abstract: 832,983. Watering plants. TREVENA & GLOVER Ltd. Sept. 4, 1957 [Sept. 12, 1956], No. 27853/56. Class 6(2). [Also in Group XXIX] A plant-watering device includes a pinch cock having a rubber or like tube 12, Fig. 1, attached to the bottom of a water container 10 by a tubular spigot 11 and a clamping plate 14 operable by a screw 15 screwed into a bent plate member 9 secured to the container by the spigot 11 and formed with a pair of legs 9a for pressing into the soil. In a modification, the legs 9a are dispensed with and the container is supported by legs 10a, Fig. 7, fitted at the ends of a cylindrical container 10. A hinged trough 16 may be fitted between the legs and when filled overbalance to jettison the water and when empty returns to the position shown in Fig. 7.
Patent GB-951680-A (GB)
Title: Printing methods and products involving colour separation records
IPC: B41M1/18
Filed: 1961-08-01
Abstract: 951,680. Photomechanical colour printing. INTERNATIONAL POLAROID CORPORATION. Aug. 1, 1961 [Aug.4, 1960], No. 27884/61. Drawings to Specification. Heading G2C. A printing method comprises two or more separate colour record substances applied to a screen having elements in different interspersed sets which have different receptivity; and repellance with respect to the vehicle of the applied printing substances such that each printing substance is received exclusively by its own set of screen elements. Thus as mainly described with reference to drawings (not shown) for three-colour procedure a photographic subject to be reproduced has a red flower, green leaves and a blue background, and the screen for this has stripes of redpigmented greasy ink-receptive varnish, green basic dyed hydrophilic material and blue acid dyed hydrophilic material, and neutral-coloured printing is effected using greasy ink for a printing plate in the formation of the red colour separation record to neutralise the red screen sets in all places other than those corresponding to the flower, basicreceptive hydrophilic ink and similar acid-receptive ink for plates corresponding to the green and blue separation records respectively. Two-colour screens and reproduction therewith is described similarly, as also are direct additive type printing with coloured inks.
Patent GB-1168137-A (GB)
Title: Improvements in or relating to Incinerators
Inventor: DOUGLAS NEIL MILLER
IPC: F23G5/18
Filed: 1967-06-16
Abstract: 1,168,137. Consuming smoke; incinerators. G. & R. GILBERT (INDUSTRIAL) Ltd. 30 May, 1968 [16 June, 1967], No. 27912/67. Headings F4B and F4W. The combustion products from the primary combustion chamber 2 of an incinerator are fed into the flames of a burner 14 in a secondary combustion chamber 12 as a number of separate streams formed by passing the gases through holes 16 near the bottom of a partition 15 dividing the secondary combustion chamber.
Patent GB-682487-A (GB)
Title: Purifying aqueous formaldehyde by distillation
IPC: C07C45/83
Filed: 1950-11-15
Abstract: Aqueous formaldehyde is purified by extractive distillation using as the extractant an inert, polar, oxygen-containing organic liquid boiling above 150 DEG C.  Preferred extractants are esters, acetals, alcohols and ethers, e.g. pentaerythritol diformal, ethylene glycol, dibutyl oxalate, octyl alcohol, dibutyl phthalate or ethylene glycol dipropionate.  In example vaporized aqueous formaldehyde is fed to the base of a distillation column and the extractant is fed to the top of the column.  Aqueous formaldehyde vapour coming over at the top of the column is condensed and freed from any extractant by a subsequent distillation.  Extractant removed at the base of the column is distilled to remove extracted impurities and is then recycled to the column.  The ratio of extractant to aqueous formaldehyde fed to the column may vary from 1:4 to 10:1.
Patent GB-997459-A (GB)
Title: Improvements in hydraulic braking of the gear box mechanism of a self-propelled vehicle
IPC: G21C7/02
Filed: 1963-07-15
Abstract: 997,459. Brushes, operated in conjunction with clutches. S. A. RICHIER. July 15, 1963 [July 18, 1962], No. 27963/63. Headings F2E and F2F. A vehicle has an engine driving, through a clutch, a pump discharging into an hydraulic circuit including a throttle valve actuated by the clutch control, the pump being mounted on the input shaft of the change-speed gear-box and effecting, when the operator actuates the clutch, braking of the input shaft when the gear lever is moved into neutral position, to facilitate the gear changing. The shaft 4 driven by an engine 1 through a clutch 2 is connected to a pump 5a drawing fluid from a reservoir 10 and circulating through a system including valves 15 and 7. The latter valve is operated by the clutch control 8 as the clutch is disengaged to throttle the flow and brake the shaft 4. When the vehicle is being towed the valve 15 may be rotated to direct the delivery of pump 5a to the distributer 9, normally supplied from pump 12, to permit the operation of mechanism supplied therefrom.
Patent GB-1016303-A (GB)
Title: Process for the manufacture of zirconium borides
IPC: C01B35/04
Filed: 1963-07-15
Abstract: Zirconium borides (which may contain hafnium) or mixed titanium and zirconium borides are manufactured from zirconium ores that contain silica, if necessary in admixture with titanium oxide, by mixing with boric acid and carbon, forming the mixture if necessary, e.g. with a sieve kneader or granulating plate, and then reacting in an arc or resistance furnace. The boric acid may be used in amount greater than is required stoichiometrically, and the carbon in amount more or less than is required stoichiometrically.  When using a resistance furnace, the reaction is carried out between 1700 DEG  and 2400 DEG C.  Before forming, the mixture may be dried at 150 DEG  to 350 DEG C.  Reference has been directed by the Comptroller to Specification 911,062.
Patent GB-152991-A (GB)
Title: Operating mechanism for gas valves for balloons and the like
IPC: B64B1/60
Filed: 1920-10-02
Abstract: 152,991. Goodyear Tire & Rubber Co., (Assignees of Maranville, A. G). Oct. 16, 1919, [Convention date]. Aerostats.-An automatic spring-closed valve for balloons &c. is provided with means for manually operating it comprising an arm connected to the valve and a pull-lever operated by a cord and engaging the arm so as to open the valve when .the cord is pulled, a further pull releasing the arm. An additional lever operated on a still further displacement of the pull-lever is adapted to close the valve positively should the automatic means fail. Fig. 1 shows a valve having a movable portion 20 fitted with a lug 21 connected by a cable 22 to a lever 62 pivoted at 63 between spaced plates 64 supported by divergent members 61 from a ring 16 which secures the valve in place. A spring 65 normally maintains the lever in its horizontal position. The outer end of the lever is formed with shoulders 62<b>, Fig. 3, which are engaged by spaced spring members 66 on a three armed lever 67 operated by a cord 71. Initial movement of the lever 67 pulls down the lever 62 and opens the valve, further movement causing the members 66 to slip off the end of the lever 62. A spring 72 returns the lever 67 to its normal position, the members 66 passing between flared portions 62<a>, 62<c> on the lever 62 until they reengage the shoulders 62<b>. For positively closing the valve, a lever 73 has a pin-and-slot connexion 73<e> with a hollow plunger 76 slotted to take the lever 62 and a fixed support 79 for an internal cylindrical guide-piece 78. A cam 73<a> on the lever 73 is engaged by an arm 67<c> on the lever 67 when operated to its maximum extent, thereby raising the plunger 76 and positively closing the valve 20. A spring 74 returns the lever 73 to its normal position. The cable 22 serves to discharge static electricity from the valve. The mechanism 38 for normally holding the valve closed is described in Specification 152,599.
Patent GB-918826-A (GB)
Title: Mechanical lock-out device
IPC: H03J5/32
Filed: 1961-08-02
Abstract: 918,826. Locking rods. OAK MANUFACTURING CO. Aug. 2, 1961 [Aug. 15, 1960], No. 28049/61. Class 80 (3). [Also in Group XXXVII] A pushrod lockout device comprises an elongated housing having apertures into which the pushrods can project, and a number of balls or rollers journalled in longitudinal slots in the housing such that when one pushrod is in an aperture between two adjacent rollers, or balls, the remaining pushrods are prevented from entering their respective apertures. An electric switch selector has spring returned pushrods 12-18 carried in a frame 10, 11 which also carries a conventional latch-bar 22 ensuring release of any other push-rod when one pushrod is depressed. The frame 11 carries a housing comprising a baseplate 28 and an auxiliary plate 29, both being provided with slots 36 for the reception of the pushrods and with longitudinal slots 46 for the spindles 44 of rollers 43. The diameter of the rollers is such that they will only allow the entry of one pushrod into a slot at any time, the remaining slots being blocked by the rollers, the end slot in the housing being formed with upturned projections 40, 41. Specification 522,735 is referred to.
Patent GB-603601-A (GB)
Title: Improvements in coin selecting mechanism for coin-freed vending machines, change-giving machines and the like
Filed: 1945-10-25
Abstract: 603,601. Testing coins. BRECKNELL, MUNRO. & ROGERS, Ltd., and SHEPHERD, R. W. Oct. 25, 1945, No. 28155. [Class 27] In order to prevent other than millededge coins reaching a coin-freed apparatus the inclined runway 11, down which the coin rolls during testing, has a resilient blade 1 projecting upwardly from it to a point below the centre height of the coin and preferably inclined towards the oncoming coin. A milled-edge coin engages the tip of the blade and its momentum carries it over so that it passes on to the coin-freed apparatus. Unmilled coins and discs are arrested by the blade and are cleared when the usual hinged leaf 7, on which the track 11 is formed, is rocked for that purpose. The blade 1 is fixed to a slotted link 2 secured to the leaf 7 by a screw and nut to enable the height and inclination of the blade to be adjusted. The operative edge of the blade is preferably serrated.
Patent GB-242674-A (GB)
Title: Method of and means for producing blow-pipe-flames
IPC: F02M59/26
Filed: 1925-11-09
Abstract: 242,674. Modl, J., and Modl, K. Nov. 7, 1924, [Convention date]. Sparking-plugs.-A thin elongated flame for use in igniting fuel in internal-combustion engines is produced by exposing electric sparks to an air-blast. The sparking plug comprises a hollow electrode 1 fitted at one end with a nipple 9 for connection to an air supply. A second electrode 4 consists of a bent wire secured to a screwed plug surrounding the first electrode and insulated therefrom by a sleeve 5. The valve chamber 6 formed in the end of the electrode 1 is provided with a ball valve and air passages 10 to the bore of the electrode.