baber/WOPTO huggingface dataset:
Patent GB-1436446-A (GB)
Title: Supersensitized photographic silver halide material
IPC: G03C1/28
Filed: 1973-09-28
Abstract: 1436446 Supersensitized photographic silver halide material AGFA-GEVAERT AG 28 Sept 1973 [29 Sept 1972] 45440/73 Heading G2C A light-sensitive photographic material comprises at least one silver halide emulsion layer which is spectrally sensitized with a merocyanine (i.e. a neutral cyanine dye), the emulsion layer containing in supersensitizing combination a tertiary phosphine sulphide of the Formula:- where R 1  and R 2  which may be the same or different are a saturated or unsaturated aliphatic hydrocarbon group which may be substituted or unsubstituted; a cycloalkyl group; an aryl group which may be substituted or a heterocylic group which may also contain condensed benzene rings and further substituents; which groups are attached to P either directly or via connecting members X 1  and X 2 ; or R 1  and R 2  may together with the P atom form a heterocylic ring containing only P and C atoms; X 1  and X 2  which may be the same or different, are a connecting member that contains hetero atoms; R 3  is a group as defined under R 1  and R 2  attached to P either directly or via a connecting member as defined under X 1  and X 2 , or additionally OH or thiol (-SH or-S<SP>-</SP>); R 3  not being a radical bonded to P via a connecting O, when X 1  and X 2  both represent connecting O atoms. The material may contain colour couplers.
Patent GB-1448326-A (GB)
Title: Crystal elements
IPC: H03H9/19
Filed: 1974-10-21
Abstract: 1448326 Quartz crystal resonator KINSEKISHA LABORATORY Ltd 21 Oct 1974 [24 Oct 1973] 45513/74 Heading H1E In a contour mode quartz resonator plate, in which frequency is independent of thickness and equal to a constant k multiplied by the width of a square plate or the diameter of a circular one, k for a DT plate is lower than for a CT-out, restricting the upper working frequencies, although the temperature characteristics of the DT is better. The working range of the CT-cut combined with the temperature characteristic of the DT-cut is obtained by forming a DT-cut plate as a planar-convex spherical lens 6, using the flat face to check cutting angle relative to the optical axis. Electrodes 7, 8 are vacuum deposited on the two faces, with combined support and connection wires 9, 10 attached to the centres.
Patent GB-976860-A (GB)
Title: Improvements relating to the production of engraved printing surfaces
Inventor: MELLOR EDWARD
IPC: B44B3/02
Filed: 1962-12-03
Abstract: 976,860. Engraving. J. MARTIN & SONS Ltd. Nov. 27, 1963 [Dec. 3, 1962], No. 45599/62. Heading B6J. To engrave a pattern on the resist on a printing cylinder an enlargement of the pattern is projected from below on to a translucent table 1 and engraving is effected by a tool mounted on a pantograph the stylus of which is moved over the image on the table. The enlarger comprises a ventilated lamp-housing 6, a pattern support 5, a bellows 7 and a projection lens 8. Adjustments for focusing and the degree of enlargement are provided. The lens assembly 9 includes a disc 11 carrying a plurality of different coloured filters which can be selectively brought into use by a Bowden cable mechanism. The image is diverted to the table by a 45 degrees mirror 10. Simultaneously with the engraving, the stylus may trace a copy on a transparent film mounted on the screen for future use in producing repeat cylinders.
Patent GB-1027519-A (GB)
Title: Rotary movement converters and cutting or grooving machine tool drives
IPC: F16H21/40
Filed: 1964-11-10
Abstract: 1,027,519. Producing oscillatory-rotary motion; variable-ratio ratchet gearing. J. H. M. J. BOUCHEZ. Nov. 10, 1964 [Nov. 16, 1963], No. 45816/64. Headings F2D, F2Q and F2U. Oscillatory-rotary motion of an output chain sprocket 5, in which the amplitude of oscillation in one direction is greater than in the opposite direction, is obtained by oscillating a member 11, by means of a connecting-rod attached to a crank on the drive-shaft of an electric motor, the whole of the forward stroke being transmitted to the output sprocket 5 through a friction coupling 6, 8, 9 but only a part of the return stroke being transmitted through the clutch due to the advancement in the forward direction of a stop member 16 driven from the electric motor through ratchet gearing. A stop member 16 on a ratchet wheel 15 is adapted to co-operate with a stop pin 17 on clutch member 6. Adjustment of the pawl stroke may be effected by an adjustable stop 22, Fig. 1 (not shown). The pressure plate 9 can be adjusted by screws 14.
Patent GB-1445991-A (GB)
Title: Video disc playback system
IPC: G11B3/46
Filed: 1973-10-02
Abstract: 1445991 Recording and playback RCA CORPORATION 2 Oct 1973 [10 Oct 1972] 45924/73 Heading G5R In a playback system of the type using a tuned circuit including the varying capacitance between a record 43 and a stylus 38 carried, together with other circuit components, by a conductive housing 32-1, a return path for signals developed in the tuned circuit is provided by the capacitance established between the housing 32-1 and the record 43. As shown, the stylus 38 is secured to the free end of a flexibly mounted conductive member 45, e.g. a metal tube, which forms with the housing 32-1 a transmission line which is included in the tuned circuit, as described in Specification 1,445,992.
Patent GB-1389457-A (GB)
Title: Steel production method and apparatus
IPC: C21C5/30
Filed: 1972-10-05
Abstract: 1389457 Converters PENNSYLVANIA ENG CORP 5 Oct 1972 [12 Oct 1971] 45972/72 Heading F4B [Also in Division C7] The composition and duration of the blast to a bottom-blown converter 10 is controlled by a computer 99 which receives in addition to the initial input of charge data, data on bath temperature from probe 20, and on exhaust gas composition from sampler 28 and analyser 30, as the refining proceeds, and modifies the conditions accordingly. Solid additives from hoppers 40, 41 are entrained in a stream of gas from the appropriate supply line, the various valves being under the control of the computer, and the mixture delivered to the converter through line 17. The bottom of the converter comprises a housing 15 containing a distributer chamber connected by pipe 17<SP>1</SP> and hollow trunnion 12 to the solid-gas suspension supply line 17. The suspension is discharged through pipes 18 extending upwardly through tuyeres 19 in the converter lining.
Patent GB-1035790-A (GB)
Title: Improved process for the production of polymeric material
Inventor: JUKES ALAN WILLIAM
IPC: B29C48/76
Filed: 1963-11-21
Abstract: Polymers are obtained from a monomeric or pivotally polymerized material consisting solely of methyl methacrylate, or of a mixture of methyl methacrylate and a copolymerizable monoethylenically unsaturated compound, by continuously feeding the polymerizable substance, in admixture with from 0.001-5% of its weight of a free-radical organic polymerization catalyst which has a half-life of not less than one minute nor greater than sixty minutes at a temperature selected from the range of from 130-250 DEG  C., into a reaction apparatus having one or more feed inlets connected by a duct to a delivery outlet, said material being caused to flow along at least part of said duct through at least one zone maintained at a temperature or temperatures selected from the range 130-250 DEG  C. at which said catalyst has said half-life, and thereafter continuously discharging polymerized material from the delivery outlet of said apparatus, the process being characterized in that there is additionally introduced into the reaction apparatus a polymer that is solid and rubber-like at room temperature, which is preformed or which is formed in situ in said apparatus and which is derived from ethylenically unsaturated material, the weight of said rubber-like polymer being not greater than the weight of said polymethyl methacrylate.  The rubber-like polymer preferably in the form of a latex may be fed continuously with the methyl methacrylate into the reaction apparatus, or the monomeric ingredients for the rubber-like polymer may be introduced after the methylmethacrylate has polymerized, or before the introduction of the methylmethacrylate monomer.  Rubber - like polymers exemplified are copolymers of ethyl acrylate and glycol dimethacrylate, methyl methacrylate and butadiene.
Patent GB-1120210-A (GB)
Title: Thiazole derivatives
Inventor: BARBER MICHAEL STUART
IPC: A01N53/04
Filed: 1965-11-01
Abstract: Thiazole derivatives of the general formula <FORM:1120210/C2/1> wherein R is cyclopropyl which may be substituted by one to three substituents selected from methyl, chloro-, methoxy or methyl thio, and X is Cl, Br or I, may be obtained by halogenation (by conventional means) of a 2-acylamino-thiazole compound of the formula <FORM:1120210/C2/2> where Z is hydrogen or a group -HgCl or -HgO.CO.CH3.  They may also be obtained by acylation of a 2-amino-5-halogenothiazole of the formula <FORM:1120210/C2/3> by treatment with a compound of general formula (III)  R.CO.Y where Y is halogen, hydroxy, alkoxy, alkylthio or a group R.CO.O-.  Compounds of Formula II wherein Z is hydrogen may be obtained by reacting 2-amino-thiazole with a compound of Formula III; compounds of Formula II wherein Z is -HgCl or-Hg.O.CO.CH3 may be obtained by reacting the corresponding compound of Formula II wherein Z is hydrogen with mercuric chloride in water, mercuric acetate in water followed by treatment with an alkali metal chloride, or with mercuric acetate in acetic acid.  Compounds of Formula IV may be obtained by hydrolysis of the corresponding 2-acetamido-5-halogenothiazole. Examples of compounds of Formula I are those wherein R is cyclopropyl-, 1-methyl-cyclopropyl- and 1-methoxy-cyclopropyl.ALSO:A herbicidal composition comprises a thiazole derivative of the formula: <FORM:1120210/A5-A6/1> wherein R is a cyclopropyl which may be substituted by one to three substituents selected from methyl, chloro, methoxy and methylthio, and x is chlorine, bromine or iodine. The composition may also include a diluent or carrier which may be a liquid or solid, a surface active agent, e.g. a wetting, dispersing or emulsifying agent, and other conventional additives, e.g. adhesives, colouring agents and corrosion inhibitors.  The compositions may also contain other herbicidally active compounds, e.g. phenoxyalkanoic acids, benzoic acid derivatives, halogenated aliphatic acids, carbamates, amides, urea derivatives, diazines, triazines, substituted phenols, quaternary ammonium derivatives, benzonitrile derivatives, triazoles and benzene sulphonyl carbamates; they may also be used to exercise a desiccant or defloliant effect on crops.
Patent GB-1019289-A (GB)
Title: Adjustable support for vehicle seat
IPC: B60N2/02
Filed: 1964-11-13
Abstract: 1,019,289. Seat adjustments. FERRO STAMPING CO. Nov. 13, 1964 [Jan. 13, 1964], No. 46330/64. Heading A4J. A seat adjuster mechanism comprises a seat frame 12, a fixed support 20, a stationary track 22 fixed to the support 20 and extending in a front to rear direction centrally of the seat frame 12 and a movable track 24 connected to the seat frame 12 and slidably mounted on the track 22. A lever 46 is pivotally mounted on a pivot pin 48 supported by upwardly extending brackets 42, 44 carried by the movable track 24. Operating means are carried by the movable track 24 and they include a pair of screw jacks 72, 74 supporting relatively displaceable nuts 86, 88. Nut 86 is connected to the front portion of the seat frame 12 through a bracket 36. Nut 88 is connected to an end of lever 46. The other end of lever 46 is pivoted at 50 to a bracket 34 depending from the rear edge of seat 12. An electric motor 96 is provided to drive gearing 104, 106, 108, Fig. 1 (not shown). Gear 108 drives a shaft 109 which carries a worm 124 engageable through a solenoid operated clutch element, Fig. 5 (not shown), with a worm gear 130 on screw jack 72. Screw jacks 72, 74 are independently operable so as to displace the front and rear edges of the seat frame independently. A shaft 76 carried by the movable track 24 is independently rotatable through gear 104, shaft 110, worm 120, clutch means and worm gear 126. A pinion 92 is mounted on shaft 76 and engages teeth 93 on a rack 94 carried on the stationary track 22. Rotation of the shaft 76 will adjust the seat 10 horizontally. A transversely extending stabilizing bar 56 is connected to the seat frame. Movable links 60, 62 connect the bar to the fixed support 20.
Patent GB-1205795-A (GB)
Title: A method of photomasking
Inventor: SHARP DONALD JEX
IPC: G03F1/46
Filed: 1967-10-11
Abstract: 1,205,795. Photo-mechanical processes. WESTERN ELECTRIC CO. Inc. Oct.11, 1967 [Oct.20, 1966|, No.46391/67. Heading G2M. [Also in Division C7] A photographic process comprises exposing a photo-sensitive material through a photo-mask which consists of a transparent support, an opaque metal pattern and a protective pattern of the oxide of the metal over the metal pattern. In the description, a metal layer is vacuum deposited or sputtered on to a transparent support and coated with a photo-resist layer. The material is now imagewise exposed and developed and the bared metal is electrolytically anodized e.g. as in Specification 896, 071 to form a protective oxide coating. The residual resist is removed and the unprotected metal is etched away to produce the master for use in the photographic production of printed circuits. Tantalum is specified as the metal by niobium, aluminium, titanium and hafnium may be used. Alternatively, the master may be produced without use of resist by selectively anodizing a metal coated glass support using a viscous electrolyte or a capillary anodizing apparatus as in Canadian Specification 742, 200.
Patent GB-1126496-A (GB)
Title: Controls for refrigeration systems
IPC: F25B41/06
Filed: 1966-10-18
Abstract: 1,126,496. Refrigerating. WESTINGHOUSE ELECTRIC CORP. 18 Oct., 1966 [19 Nov., 1965], No. 46445/66. Heading F4H. [Also in Division G3] The expansion valve 14 of a compressioncondensation system is controlled during normal operation by the pressure and temperature of liquid leaving the condenser 11. The expansion valve is operated by a piston provided with a bleed opening and moving in a chamber 26 under the influence of the pressure of liquid refrigerant admitted from the liquid line 12 at 20 in such manner that increased pressure on the piston moves the expansion valve in the opening direction. Valves 21 and 23 are operated by cold gas pressure on diaphragms in chambers 39 and 30 and under normal operation are open and closed respectively. A solenoid valve 25 is held open whenever the compressor C is energized by a thermostatic switch TS. Thus under normal conditions the expansion valve is controlled by a valve 22 operated by a diaphragm in a chamber 41 the sides of which are in communication with a temperature sensing bulb 51 and with liquid in line 12 in such manner that increased liquid pressure tends to open the valve 22 and thus to increase the opening of the expansion valve and that increased temperature in the condenser outlet tends to close the valve 22 and thus to decrease the opening of the expansion valve to cause back-up of liquid in the condenser to increase the cooling action of the latter. If the evaporator becomes starved, the valve 23 opens under the action of decreased pressure in the line 17, thereby by-passing the valve 22 and causing the expansion valve to open further. If evaporator pressure increases unduly, valve 21 moves in the closing direction, thereby decreasing the opening of the expansion valve. The expansion valve control may be incorporated in a reversible cycle system.
Patent GB-1195159-A (GB)
Title: Improvements in or relating to Organosilicon Nitrogen Compounds
IPC: C03C17/30
Filed: 1968-10-02
Abstract: 1,195,159. Organosilicon nitrogen compounds. UNION CARBIDE CORP. 2 Oct., 1968 [3 Oct., 1967], No. 46665/68. Headings C3S and C3T. Organosilicon nitrogen compounds and polymers are prepared by reacting organo-halogensilicon compounds and polymers having at least one halogen atom directly bonded to a silicon atom with nitrogen-base compounds having at least one hydrogen atom directly bonded to a nitrogen atom at a temperature of at least 50 C., the reaction mixture also containing elemental magnesium, calcium or zinc, and the rate of addition of the nitrogen base being not greater than the rate of reaction of the metal with the hydrogen halide and nitrogen base hydrohalide salt by-products. The metal is present in an amount from 80% of the amount stoichiometrically equivalent to the equivalent number of siliconhalogen bonds to be reacted to a stoichiometric excess of 30%. The organohalogen-silicon compound may be a silane of formula R n SiX 4-n  where R is hydrogen or a hydrocarbon or substituted hydrocarbon radical having 1 to 18 carbon atoms, n is from 0 to 3 and X is a halogen atom; a siloxane of formula where R and X areas above a is from 0 to 2, b is from 1 to 3 and (a+b) is from 1 to 3; a compound composed of 1 to 99 mole per cent of the siloxane units above and 1 to 99 mole per cent of units of formula where R is as above and c is from 0 to 3; or a silyl compound of formula where R, X and n are as above and Y is an alkylene or arylene radical. The nitrogen base may be ammonia, a hydrazine, a primary amine, a secondary amine, heterocyclic amine, a urea, an imide or an amide. Examples are given.
Patent GB-1180430-A (GB)
Title: Improved Vesicular Photographic Materials
Inventor: NOTLEY NORMAN THOMAS
IPC: G03C1/735
Filed: 1967-10-13
Abstract: 1,180,430. Photographic vesicular materials. KALVAR CORP. Oct.13, 1967 [Nov.17, 1966], No.46696/67. Heading G2C. A vesicular material comprises a polymer in which is dispersed a light-decomposable agent, an ultraviolet absorber being such that a 10% by weight of the absorber on a material 1/3 mil thick absorbs at least 25% light of wavelength 3600-4000 and transmits at most 5% light of wavelength 4500- 7000  and a second light absorber under the same conditions as the first absorber absorbs at least 25% light of wavelength 4500-7000  and transmits at most 5% light of wavelength 3600-4000 . Specified ultraviolet absorbers are 2-(hydroxyphenyl)-benzotriazoles, 2-hydroxybenzophenones and phenyl solicylates. Colour Index Disperse Blue 62 is specified as the second light absorber. When the vesicular material is imagewise exposed and developed a denser image, when viewed by visible and ultraviolet light, is produced.
Patent GB-1007558-A (GB)
Title: A process for the preparation of an epoxy-containing composition
IPC: C08G59/12
Filed: 1961-12-29
Abstract: An epoxy-containing composition is prepared by reacting a polycarboxylic acid or its anhydride with at least 1.5 times the chemically equivalent amount of a polyepoxide, in the presence of at least one hydrocarbon material which is liquid at 25 DEG  C., e.g. an extract of a lubricating oil distillate or Edeleanu or furfural extract thereof, or a kerosene extract, straight run asphalt, pine tar or pine oil or of at least one bituminous material.  Many suitable kinds of polyepoxide are mentioned.  Polycarboxylic acids include adipic, suberic, azelaic, succinic, chlorosuccinic, octadecyl- or dodecyl-succinic, phthalic, and dimers or trimers of unsaturated fatty acids.  Catalysts for the epoxide-acid reaction, e.g. tertiary amines, quaternary ammonium salts or organo-substituted phosphines may be added to the compositions.  The products of the condensate are soluble in acetone, benzene, toluene or xylene.  They may be employed as sealers, overlays and binders for aggregates for roadways or airstrips, or for casting, potting, coating or moulding. Plasticizers, stabilizers, fillers, further hydrocarbons or bitumens, and epoxy curing agents may be incorporated with the products.  Many conventional curing agents are listed.  All the examples employ a glycidyl polyether of 22-bis-(4-hydroxy-phenyl) propane.  In Example I it is reacted with trimerized linoleic acid in presence of kerosene extract. The product was mixed with TiO2 and diethylene triamine and spread on cement and asphalt surfaces.  In Example II a lubricating oil distillate is used and the reaction product is mixed with carbon black and diethylene triamine. Other examples are similar, using as fillers iron oxide, powdered rock or aggregate; as acid dimerized linoleic acid, a mixture of trimerized linoleic acid and soya fatty acids, or 8,10-eicosanedienedioic acid.  Reference has been directed by the Comptroller to Specification 883,523.
Patent GB-468668-A (GB)
Abstract: 468,668. Calculating-apparatus. MERCEDES BUROMASCHINEN - WERKE AKT.- GES. Nov. 24, 1936, No. 32109. Convention date, Nov. 25, 1935. [Class 106 (i)] In a typewriting calculating-machine having a total-taking mechanism the zero stops for the totalizer elements are mounted on a set of wheels which are arranged in parallel with the train of gears actuating the totalizer and in mesh with the driving wheel of the said train of gears. The invention is shown applied to a Mercedes Addelektra machine as described in Specification 438,369. The column totalizers 2, Figs. 3 and 6, which are mounted on the front wall of the paper carriage 1, comprise a set of numeral drums 67, 68, with gear pinions 67a, 68a connected by a train of gears 69, 72 to a corresponding driving wheel 4. The wheels 4 are adapted to mesh successively with a master pinion 3 in entering an item in the machine. Also in mesh with the driving wheels 4 are a set of pinions 63 rotatably mounted on a shaft 74. Each pinion 63 is provided with a pair of wide teeth 75, 76, Fig. 7, and with corresponding cut-away teeth 77, 78 ; these teeth coact respectively with the zero setting and aligning member 50 and with the feeling member 88 of the clear sign impression mechanism. The member 50 is slidably mounted in a guide formed by two members 59, 60, Figs. 4 and 5, and is provided with a roller 49 that co-operates with the cam-shaped end 48 of a member 46 secured to the upper arm of a lever 38 which is operatively connected to a slide 34 pivoted at its lower end to a lever 28 that co-operates with the arm 24 of the total key lever 23. When a total is to be taken the totalizer is brought to the operative position by depression of the space key L or of one of the tabulator keys T. At the same time the master wheel 3 meshes with the left-hand driving wheel 4 and the left-hand pinion 63 is in a position opposite the gap 82 of the zero-setting member 50. On depression of the total key S the zero-setting member 50 is raised and the machine operates as described in the above mentioned Specification to take the total denomination by denomination. In this operation the left-hand pinion 63 is first rotated until the tooth 76 strikes the aligning tooth 62 of the member 50 as the numeral wheel reaches the zero position and the lower denominations are returned successively. To guide the totalizer in a reliable manner a roller 89 on a support 80, Fig. 6, is arranged to roll on a surface 90 carried by a member on the totalizer casing.