baber/WOPTO huggingface dataset:
Patent GB-929403-A (GB)
Title: Encapsulated emulsions and processes for their preparation
IPC: B01J13/10
Filed: 1959-11-09
Abstract: Particles of a hydrophilic liquid-in-oil emulsion are encapsulated by a process wherein the said emulsion containing an anti-inversion agent in the oil phase is dispersed in an aqueous dispersion of at least two coacervating colloids, at least one of which is gelable and at least one of which is an isoelectric colloid, at a temperature above the gel point of the gelable coacervating colloid and causing a coacervate to deposit on the emulsion particles to form a coating which may subsequently be hardened or plasticized, e.g. by treatment with aqueous formaldehyde.  Conventional thickening agents, e.g. acacia, tragacanth, methyl cellulose, carboxymethylcellulose, magnesium aluminium silicate, polyglycols, glycerin, and syrups may be added to the coacervating medium and to the hydrophilic liquid of the primary emulsion and the latter may also contain conventional emulsifying agents, e.g. esters of polyhydric alcohols, sorbitan- and sorbitan polyoxyethylene derivatives.  The anti-inversion agent may be any material capable of preventing the inversion of the primary emulsion on its dispersion in the coacervating medium, examples being surface-active agents (preferably non-ionic) e.g. sorbitan fatty acid esters and polyoxyethylene sorbitan fatty acid esters, oil-thickening agents, e.g. natural and synthetic waxes, solid fats, sterols and other conventional oil-gelling or oil-thickening agents.  Examples of coacervating colloids are gelatine, albumin, casein, fibrinogen, agar-agar, pectins, collagen, starch acetate phthalate, amylene acetate phthalate (all gellable), alginates, acacia, starch and cellulose acetate phthalate.  Coacervation may be induced by dilution with water of an initial dispersion of the primary emulsion in the coacervating medium or by adjustment of pH. Examples of such processes are given.  Either or both phases of the primary emulsion may contain dissolved or suspended materials which render the capsules of the invention useful as sustained-release fertilizers, plant-growth agents and pesticides, cosmetics, pharmaceuticals with sustained or delayed release for oral, topical or injectable use, additives for incorporation into foodstuffs, e.g. vitamins and ingredients which would normally be lost in a drying step.  Specific examples relate inter alia to encapsulated emulsions comprising: (a) urea in the aqueous phase (fertilizer preparation) and, (b) caffeine in the aqueous phase. Specification 751,600 is referred to.
Patent GB-798669-A (GB)
Title: Improvements in or relating to organosiloxane elastomer foams
IPC: C08J9/02
Filed: 1956-12-12
Abstract: Siloxane elastomeric foams, useful in thermal insulation, are made by mixing (1) an organopolysiloxane containing Si-bonded OH groups and having a viscosity of at least 1000 cs. at 25 DEG  C. and having per Si atom an average of 1.9 to 2 radicals selected from monovalent hydrocarbon and halogenated hydrocarbon radicals and H atoms, in the siloxane, there being from 1 to 75 per cent by weight of siloxane units containing at least one Si-bonded H atom and the siloxane containing an average of at least 1.25 of the defined organic radicals per Si atom; (2) up to 50 per cent by weight of (1) of a hydroxylated compound; and (3) a stannous carboxylate in amount sufficient to give from 0.1 to 10 per cent by weight of tin calculated on the weight of siloxane (1), and thereafter allowing the mixture to foam.  Siloxane (1) may be a copolymer in which the Si-H and Si-OH appear in the same molecules, or it may be a mixture of a hydroxylated siloxane and an Si-H-containing siloxane, and the Si-bonded organic radicals may be alkyl, alkenyl, cycloaliphatic, aralkyl, aryl or halogenated alkyl or aryl.  Hydroxylated compounds specified are silanols and siloxane diols; water; ethanol, butanol, isopropanol and tertiary butanol; ethylene, propylene and hexylene glycols; glycerine; mono- and tri-ethanolamines; hydroxy esters, hydroxylated polyesters, hydroxy ethers; alcohols containing halogen, -nitro and -nitrile groups; acetic, butyric, malonic, caproic and succinic acids.  Solvents such as dioxane, ethers or benzene may be used where the hydroxylated compound is sparingly soluble in the siloxane.  Catalysts specified are stannous acetate, oleate, stearate, linoleate, naphthenate, benzoate, naphthoate, succinate, sebacate, lactate, maleate, crotonate, salicylate, phthalate, mandelate, cinnamate, and phenylacetate. Fillers, e.g. titanium, zinc, ferric and magnesium oxides, clay, diatomaceous earth, fume silica, silica aerogels and xerogels, powdered glass, asbestos, silicon, powdered aluminium and carbon black, and compression set additives, oxidation inhibitors and pigments may also be added.  In a typical example, two liquid hydroxylated dimethylpolysiloxanes of different viscosities, a trimethylsiloxy-methylhydrogensiloxane and diatomaceous earth were formed into a uniform mix and stannous ethylhexoate was then stirred in.  Foaming began almost at once and after 10 to 15 minutes an elastomeric foam having a density of 0.5 g/c.c. was obtained.  Uses-for thermal insulation, e.g. the composition can be sprayed on the inside of a car body. Specification 784,826 is referred to.
Patent GB-995594-A (GB)
Title: Apparatus for feeding punched-cards and similar data carriers
IPC: B65H9/06
Filed: 1963-09-26
Abstract: 995,594. Feeding sheets. SIEMENS & HALSKE A.G. Sept. 26, 1963 [Sept. 28, 1962], No. 38044/63. Heading B6B. Record cards separated sequentially from the bottom of a stack 1 through an exit slot 3 in a magazine and fed into a conveyer means, are first engaged by a stop 4 arranged between the magazine and the conveyer means, and are thereafter released individually at consecutive and regular time intervals at which they are fed into the first stage of the conveyer means. As shown, the cards are separated by a friction roller 2, which can be driven through a friction coupling, and the slot 3 is deep enough to allow two cards to pass therethrough to abut the fixed stop 4. Periodically, a dropping-roller 5 carried on a pivoted frame which is depressed against the action of a spring 9 by a rotating cam 6, deflects the two cards against a rotating roller 7 so that the bottom card only is fed between a gap at the bottom edge of the stop 4 and into the bight of a pair of feed rollers 8 which form the first stage of the conveyer means. The peripheral speed of the roller 2 is lower than that of the roller 7, and each card on leaving the rollers 8 is accelerated in stages by a succession of feed rollers. In a modification (Fig. 2, not shown), a dropping-roller can only deflect a card beyond the edge of the stop 4 when a solenoid is de-energized in response to a signal from a punching or recording machine to which the cards are to be fed. A cam, which is rotated from the shaft of a punching machine, for example, acts on the dropping-roller through a compression spring, but the lever which carries the roller is coupled to the armature of a holding magnet which, when excited, pulls the roller upwardly so that it cannot deflect a card beyond the edge of the stop 4. In a further modification, the stop 4 could be lifted or lowered to allow a card to pass thereby.
Patent GB-837737-A (GB)
Title: Improvements relating to hydraulically operated pumps
IPC: F04B49/16
Filed: 1957-12-06
Abstract: 837,737. Hydraulically actuated pumps. BUTLER & CO. (BRISTOL) Ltd., W., and KERNON, D. R. Jan. 21, 1959 [Dec. 6, 1957], No. 38048/57. Class 102(1). A piston 18 reciprocating in a chamber 15 alternately supplies liquid to and withdraws it from chambers 5, 9 in which are mounted bellows 1, 2 which are thereby caused to draw liquid through valves 7, 11 and discharge it through valves 8, 12. The bellows may draw from a common inlet and discharge to a common outlet or separate inlets and outlets may be provided. The stroke of the bellows may be varied by means of a valve 27 which controls flow of liquid from one side of piston 18 to the other. The stroke of each bellows is indicated by members 33 sliding in translucent tubes 34. In a modification a spring loaded bellows forms one wall of a chamber connected to the chamber 9 and the stroke of this bellows is variably limited whereby the output of the bellows 2 is varied independently. The chamber 15 is provided with by-pass valves 43, 44 to prevent excessive hydraulic pressure in the bellows chambers. The piston 18 may be replaced by a diaphragm.
Patent GB-1181320-A (GB)
Title: A process for inserting Sliding Clasp Fasteners into Garments, and Garments having Fasteners inserted by the process
Inventor: FROHLICH ALFONS
IPC: A41H37/00
Filed: 1968-08-09
Abstract: 1,181,320. Inserting sliding clasp fasteners into garments. OPTI-HOLDING A.G. 9 Aug., 1968, No. 38057/68. Heading A3V. A process for the insertion of sliding clasp fasteners into garments, comprises applying an end portion 7 to the end of an endless strip of fastener stringers 3, 4, sewing at 5, 6 a required length of the stringers into a garment 1, cutting the stringers with a surplus length, passing a slider 13 on to the stringers, folding back the separated surplus lengths of the string- ers to form start portions 8 and finishing the start portions by completing the sewing to secure them to the stringers and the garment. The end portion 7, which is made of metal or plastics material, is applied to lock the free end of the cut strip at the same time as the required length is cut from the strip, preferably using a single tool, so that the entire steps of the process can be carried out in a rythmic cycle to each of a succession of garments. The feeding and cutting of the strip may be performed as described in Specification 1,181,319.
Patent GB-905429-A (GB)
Title: Pressure generating means
IPC: B60T11/20
Filed: 1959-11-12
Abstract: 905,429. Brake master cylinders. WAGNER ELECTRIC CORPORATION. Nov. 12, 1959 [Dec. 4, 1958], No. 38381/59. Class 103 (1). [Also in Groups XXIV and XXIX] In a clutch and brake control for motor vehicles wherein the brake 103 and clutch 102 are operated by fluid-pressure generated in cylinders 119, 118 in response to movement of manual pedals 107, 108 respectively, the cylinders 118, 119 are fed from a common reservoir 122 through ports 128, 129 respectively, the former of which is at a higher level than the latter to provide, in the event of a leak, failure of the clutch operating system before the brake system fails. Each pedal 107, 108 acts through a rod 105 to move right a piston 135 and sealing cup 145 which compresses the liquid and applies pressure to the clutch or brake servo. On pedal release a spring 147 returns the piston to its initial position compensating fluid which enters the cylinders through ports 130, 131 passing through ports 143 and round the seal 145. A residual pressure check valve 149 is provided in the brake operating cylinder 119. If a leak occurs and the fluid level in the reservoir falls below the clutch supply port 128 the resulting spongy clutch action warns the driver that the fluid is at danger level, before the reservoir level falls below the brake supply port 129. In Fig. 5 (not shown), another port into the side of the cylinder 118 ensures drainage of the clutch cylinder 118 before the brake fails. In Fig. 4 (not shown), the cylinders 118, 119 are at the same level but the port to the former extends to a higher level in the reservoir than that to the latter. Reference has been directed by the Comptroller to Specification 761,693.
Patent GB-1064285-A (GB)
Title: Improvements in or relating to corticoid derivatives
IPC: C07J5/00
Filed: 1963-09-30
Abstract: The invention comprises compounds of formulae <FORM:1064285/C2/1> wherein X represents hydrogen, fluorine, chlorine or a methyl group, R is a hydroxyl group and T is hydrogen or an a -hydroxyl, optionally substituted a -acyloxy having less than 12 carbon atoms or a -methyl group, or T and R together represent the group <FORM:1064285/C2/2> wherein R3 and R4 are hydrogen atoms or hydrocarbon residues, R1 and R2 each represents hydrogen or an optionally substituted acyl group having less than 12 carbon atoms, Z represents a single or double bond, W represents an a -hydrogen atom and a b -hydroxyl group or a keto-group and Y represents hydrogen, fluorine or chlorine, and their preparation by treating a 10a  - progesterone derivative of formula <FORM:1064285/C2/3> with iodine in the presence of calcium oxide to give the 21-iodo-derivative, treating this with potassium acetate to give the 21-acetoxy-derivative, and incubating this product with adrenal glands to give the 11b -hydroxyderivative, and, if desired, (a) acylating any free 19-hydroxygroup to give the 19,21-diacetoxy-derivative, treating this with mesyl chloride to give the D 9(11)-derivative, treating this with an N - bromo - amide or -imide to give the 9a -bromo-11b -hydroxy-derivative, treating this with a mild base to give the 9b ,11b -oxido-derivative, and reacting this with hydrogen chloride or hydrogen fluoride to give the 9a -chloro- or fluoro-11b -hydroxy compounds of the invention; (b) oxidizing an 11b -hydroxy product of the invention to an 11-keto-product; (c) treating a D 4-product with chloranil to give a D 4,6-derivative; (d) treating a D 4 or D 4,6 product with 2,3 - dichloro - 5,6 - dicyano - 1,4-benzoquinone to give respectively D 1,4- and D 1,4,6-derivatives; (e) splitting by acid any 16a ,17a -alkylenedioxy group to give the 16a , 17a -diol; (f) reacting a 16a ,17a -diol with an aldehyde or ketone to give an acetal or ketal; (g) saponifying any esterified 19- or 21-acyloxy group, or (h) esterifying any free 19- or 21-hydroxyl group.  The compounds of the invention have a high anti-inflammatory, low catabolic, glycogenic, thymolytic, anti-androgenic, anti-gonadotropic and anti-estrogenic activity, and have high topical activity against skin disorders such as psoriasis and allergic dermatitis, and may be used in pharmaceutical compositions in combination with a carrier.
Patent GB-1390863-A (GB)
Title: Oil filled pressure gauge
IPC: G01L7/04
Filed: 1972-06-08
Abstract: 1390863 Pressure gauges DRESSER INDUSTRIES Inc 8 June 1972 [18 June 1971] 38844/74 Divided out of 1390861 Heading G1L Subject-matter identical to the Parent Specification but claims differ.
Patent GB-355626-A (GB)
Title: Improvements in or relating to apparatus for exercising the ocular muscles
IPC: A61H5/00
Filed: 1930-12-24
Abstract: 355,626. Appliances for ocular exercise. ELLIOTT OPTICAL CO., Ltd. and GREEN, W., 104, Great Saffron Hill, London. Dec. 24, 1930, No. 38874. Addition to 326,011, [Class 81 (ii), Medical &c. appliances]. [Class 81 (ii).] The apparatus of the parent Specification is modified by arranging the mechanism for adjusting the chin-rest and co-ordinating devices at the sides or rear of the apparatus. Pillars 18, rotatable on pivots mounted on arms 16 pivoted on the base 10, support optical systems 19 similar to those of the parent Specification except that lamps 20 are provided for illuminating opaque image carriers. The leads for these lamps and those for the lampholders 24 are connected to rheostats 14 and a switch 25. The pillars 18 are embraced by collars 29 secured to pointers 30 and may be locked to the collars by screws having milled heads 35. Limbs 36 extending from the collars are engaged by a screw adjusting mechanism 37. A column 39 eccentrically pivoted on the base carries a headrest 40 adjustable by a screw 42 and a chin-rest 44 is provided the stem 43 of which is vertically adjustable by a linkage 45, 46 a,nd a screw 47.
Patent GB-1405964-A (GB)
Title: Method and apparatus for determining the surface area of a workpiece
IPC: C25D5/00
Filed: 1973-08-17
Abstract: 1405964 Determining the surface area of an object by coating then stripping FERNSTEUERGERATE KURT OELSCH KG 17 Aug 1973 [20 Dec 1972 14 June 1973] 38888/73 Heading G1A In a method and apparatus for determining the surface area of a workpiece, the workpiece is first provided with a layer of material over all its surface (by bronzing, oxalating, dip silvering, chemical coppering &c.) and at least part of the applied layer is then stripped off and its amount determined to provide an indication of the surface area, the layer forming and/or the layer stripping being effected by processes involving diffusion (in a fluid). The surface of the workpiece may be first pre-treated chemically or electrolytically in order to obtain a homogeneous, smooth surface before the layer formation, and the operations of layer forming and stripping may be carried out during a predetermined period of time. The concentration of the solution used for the removal of the layer may be measured photo-metrically, potentiometrically or by volumetric determination in order to provide an indication of the size of the surface area of the workpiece. In an embodiment Figs. 1, 2, 3, Figs. 1 and 2 (not shown), a set of workpieces and a control specimen, are prepared, coated with a layer and the layer removed by immersing the workpieces in one container 5 containing a layer removing solution and by immersing the control specimen in another similar container 6. The transmissivity of the solutions after layer removing operation is then measured photo-metrically and the photometric signals for each solution are amplified at 8 or 9 and fed via "linear/logarithm" converters to a quotient former in which the ratio of the two signals is determined and is supplied to a meter 13 or a digital display 16. The circuit is fed by stabilized power supply units 17 fed from the mains 18.
Patent GB-1390100-A (GB)
Title: Process for making particulate intimate mixtures of thermo plastics and additives
IPC: C08J3/20
Filed: 1972-08-21
Abstract: 1390100 Polymer compositions IMPERIAL CHEMICAL INDUSTRIES Ltd 13 Aug 1973 [21 Aug 1972] 38894/72 Heading C3P Particulate intimate mixtures of thermoplastics materials and additives such that, on immersion in a liquid in which neither thermoplastics material nor additive is soluble, less than 10 weight per cent of the additive separates from the mixture, may be prepared by subjecting the particles of thermoplastics material and additive to turbulence induced by one or more jets of fluid. The process may be effected in a fluid energy mill using nitrogen or other inert gas as fluid. The components are preferably premixed by tumbling or shaking. The thermoplastics material may be a polymer of an olefin, vinyl acetate, alkyl acrylate or methacrylate, vinyl chloride or tetrafluoroethylene. The additive may be a stabilizer, slip agent, mould release agent, pigments, e.g. carbon black and phthalocyanine blue, and fillers, e.g. talc, clay, chalk, dolomite, bentonite, silica, barytes, glass fibres and bronze powder. The mixtures may be formulated as concentrates which may be blended with further thermoplastics material. Examples describe mixtures of polyethylene with (1 and 2) carbon black, polypropylene with (3) carbon black and (4) phthalocyanine blue, and polytetrafluoroethylene with (5) glass fibres and manganese blue and (6) graphite.
Patent GB-887524-A (GB)
Title: Improvements in or relating to article-gauging apparatus
Inventor: WINCH GORDON THOMAS
IPC: B07C5/12
Filed: 1958-12-03
Abstract: 887,524. Sorting by gauging. GENERAL ELECTRIC CO. Ltd. Dec. 3, 1959 [Dec. 3, 1958], No. 39004/58. Class 106 (2). Apparatus for gauging and sorting articles 2 comprises an article support 4, a gauging head 6 carrying at least two gauging members 8 movable independently with respect to the head 6 and a corresponding number of signal control means 13 arranged to control directing means 16 to direct the article into one of two reception channels according to the dimension gauged. As shown, bottles 2 are carried on a conveyer 1 and are pushed into the gauging position by a member 3, stops 5 locating the bottles accurately. The gauging head 6 is then lowered over the bottle and gauging rods 8 enter the neck of the bottle. Three such rods are used, equally spaced around the neck, but two only are shown. They are biased against a stop 12 and have tapered ends 9 to aid entry into the bottle neck. If the diameter is too small contacts 13 are broken and after the bottle has been gauged (and the gauging head withdrawn) it is returned to the conveyer 1 and discharged into a rejection channel 17. The apparatus will also check the alignment of the bottle neck and reject those which are not vertical. Also described are gauging devices which check the external diameter or both the internal and external diameters, or test whether the diameters lie within specified tolerance ranges. The electric contacts may be replaced by a photo-responsive device in which each rod 8 carries a shutter moving in front of a screen having a slit placed transversely to the direction of movement of the rod 8, there being a lamp on one side of the screen and a photoresponsive device on the other. The conveyer may be a rotary conveyer with a number of gauging heads rotating with the conveyer and one mounted above each object thereon. Means may also be provided for rotating the gauging members relatively to the article to check the circularity, but preferably the apparatus includes three or more gauging members angularly spaced around the circumference for this purpose.
Patent GB-825081-A (GB)
Title: Improvements in radiators for heating purposes
Inventor: MATHISEN ANDERS
IPC: F28F21/00
Filed: 1956-12-22
Abstract: 825,081. Making radiators. GRAVINER MANUFACTURING CO. Ltd. Dec. 23, 1957 [Dec. 22, 1956], No. 39142/56. Class 83 (2). [Also in Group XIII] A copper or copper alloy radiator for heating a building has four tubes 12 of elliptical crosssection and three tubes 13 of corrugated crosssection cut from lengths of tubing, the tube ends projecting into headers 10 to which they are brazed. Tapped plugs 14 for pipe connections are brazed in the ends of the headers 10, which like the tubes 12, 13 are of solid-drawn or extruded tubing. The radiator may be dipped in an electrolytic bath for a copper or bronze finish. Sizes of tubing and dimensions of radiator are given. The Provisional Specification describes also a radiator in which the vertical tubes are all of the same elliptical section and of different dimensions from those of the Complete Specification. The headers are of generally semicircular cross-section with holes punched in the flat portion for accommodating the tubes.
Patent GB-1413911-A (GB)
Title: Preparation of propanolamine derivatives
IPC: C07C241/00
Filed: 1973-08-18
Abstract: 1413911 Propanolamine derivatives PFIZER Ltd 14 Aug 1974 [18 Aug 1973] 39162/73 Heading C2C Propanolamine derivatives having the general formula wherein R is hydrogen, halogen or C 1  to C 4  alkyl, alkenyl, alkoxy, or alkenoxy; R<SP>2</SP> is a polar electron-withdrawing substitutent; R<SP>3</SP> is hydrogen, halogen or C 1  to C 4  alkyl or alkoxy, and the benzene ring A may be replaced by a naphthalene ring; are prepared by reacting an N-substituted aziridine of the formula with a substituted phenol of the formula Specified electron-withdrawing polar substituents are carboxy, C 1  to C 4  alkoxy carboxyl, formyl, C 1  to C 4  alkanoyl, carbamoyl, sulpho, C 1  to C 4  alkoxy sulphonyl, sulphamoyl, cyano, azido, NO 2  or CF 3  or any such group separated from the phenyl ring by a methylene or ethylene group. The starting material of Formula II may be prepared by reacting an epoxy compound of formula with ethylene imine.