baber/WOPTO huggingface dataset:
Patent GB-1093971-A (GB)
Title: Improvements in novel mercury compound
Inventor: SACKLER MORTIMER DAVID
IPC: C07F3/10
Filed: 1966-02-15
Abstract: Novel ammoniated mercury salicylate is obtained in a process characterized by adding ammonia to a suspension of mercury salicylate in an inert solvent, or mixing ammoniated mercury HgNH2Cl and salicylic acid in an inert solvent and adjusting the pH of said mixture to a pH range of between pH 8.5 and pH 10.5, with an alkaline metal compound; allowing the mixture to stand while maintaining the pH of the mixture at said pH range and recovering the formed ammoniated mercury salicylate.  Pharmaceutical compositions having anti-septic and germicidal activities are employed in the form of a powder, suspension, solution or ointment.
Patent GB-871579-A (GB)
Title: Improvements in the manufacture of polyamides
IPC: C08G69/32
Filed: 1958-02-28
Abstract: High molecular weight aromatic polyamides are made by reacting in the presence of an acid-acceptor, at a temperature below 100 DEG C. in an interfacial reaction system, a diamine, at least 90 mole per cent of which consists of aromatic diamine, any remainder being non-aromatic diamine, and a diacid halide, at least 90 mole per cent of which consists of aromatic diacid halide, any remainder being non-aromatic diacid halide, the amine groups in the aromatic diamine and the acid halide groups in the aromatic diacid halide not being ortho-oriented either with respect to each other or to bonds linking one aromatic ring directly or through a linking group to another aromatic ring, the substituent groups (if any) in the aromatic rings being groups which do not react with the amine or acid halide groups during polymerization and the total number of carbon atoms in substituent groups attached to any one aromatic ring not exceeding nine, the diamine component being in solution in an aqueous solvent and the diacid halide component being in solution in a cyclic oxygen-containing non-aromatic organic solvent completely or partially miscible with water, and the acid-acceptor being employed in an amount in excess of the theoretical quantity required to neutralize any acid formed during the reaction.  Specified aromatic diamines include m-phenylene diamine, propyl m-phenylene diamine, ethoxy m-phenylene diamine, p-phenylene diamine and 3, 31-diphenyl diamine.  Specified aromatic diacid halides are those of the formula: <FORM:0871579/IV (a)/1> where Ar2 is a divalent aromatic radical, e.g. isophthaloyl chloride and 3, 31-dibenzoyl chloride.  Specified solvents are tetramethylene sulphone, 2, 4-dimethyl tetramethylene sulphone, cyclohexanone, tetrahydrofuran and propylene oxide.  The examples descibe the preparation of polyamides from tere- or iso-phthaloyl chloride and 4, 6-m-xylene diamine, diaminotoluene, 3, 31-dimethyl benzidine, bis(4-aminophenyl) methane, m-phenylene diamine or 2, 21-di(4-aminophenyl) propane. Examples describe the preparation of fibres by spinning solutions of typical polyamides in (3) dimethyl acetamide containing lithium chloride, (8) tetrahydrofuran and water, (9) dimethyl formamide, the fibres being drawn in steam, (10) (12) and (16) dimethyl formamide containing lithium chloride.  Specifications 871,578 and 871,581 are referred to.
Patent GB-491798-A (GB)
Title: Manufacture of cyclopentanohydrophenanthrene ketones
IPC: C07J5/00
Filed: 1937-03-08
Abstract: Ketones of the cyclopentanoperhydrophenanthrene series are prepared from 17-carboxylic acids of this series by converting the acid into an acid chloride, a disubstituted amide, or a nitrile and reacting it with an alkyl compound of zinc, cadmium or magnesium.  The preferred starting material is aetiocholanic acid. In examples: (1) 3-acetoxy-aetiocholenyl-nitrile-(17) is treated in ether solution with magnesium methyl iodide and the Grignard complex decomposed with sulphuric acid to give 3-acetyl-pregnenolone-(20); (2) 3-acetoxy-aetiocholenyl - carboxylic acid diethylamide is treated as in example (1) to give the same product; (3) cadmium chloride is added to an ethereal solution of magnesium methyl bromide and stirred for one hour, when a solution of 3-acetoxy-aetiocholenic acid chloride is slowly run in.  The reaction liquid is decomposed with ice cold sulphuric acid to give the same product as example (1). Instead of methyl cadmium bromide methyl magnesium bromide or zinc methyl may be used.
Patent GB-290240-A (GB)
IPC: B65B19/02
Filed: 1928-03-05
Abstract: 290,240. M³ller, J. C. May 11, 1927, [Convention date]. Addition to 272,210. Packing cigarettes in cartons.-In cigarette packing-machines of the kind described in the parent Specification, the parts 3, Fig. 1, cf the feed track between the separate feed belts 1, 2 are formed with longitudinal slots through which the tines 4<1> of a rake-like pusher 4 can pass when being lowered from the position shown in full lines to that shown in broken lines. The pusher 4, which is resiliently mounted on a cross-bar 13, may be provided with a hinged extension 22, Fig. 2, normally held out of action by the engagement of a guide 27, Figs. 2 and 4, with a roller 25 on the extension. When the guide has been passed, a spring 24 pushes the extension into line with the rest of the pusher so that a larger number of cigarettes can be engaged. The pusher may carry a brush 20, Fig. 1, to bear on the top of a charge of cigarettes, and the successive lowerings of position may be effected bv the action of springs 18, rollers 15 on the cross-bar 13 engaging guide bars 16 having inclined portions 17.
Patent GB-1354691-A (GB)
Title: Fluid-operated valves
IPC: F16K15/14
Filed: 1970-02-12
Abstract: 1354691 Surgical valves M M BLACK and R E A OLIVER 6 May 1971 [12 Feb 1970 18 Aug 1970] 6814/70 and 39643/70 Heading A5R [Also in Division F2] A valve suitable for use as an artificial oesophagus has a conical or convex (e.g. spherical) diaphragm 22 (Fig. 5) with 4 or 8 radial splits defining triangular flaps 23 which are readily displaced to allow flow in direction A. Reverse flow is only allowed when the pressure is sufficient to buckle the flaps. The rim of the diaphragm is reinforced by a stainless steel ring and the flaps may have reinforcing ribs 25. A modified valve for replacing a natural heart valve has a ring 40 and three kite-shaped flaps 41 joined to the ring along major edges 43 and abutting each other, when the valve is closed, along minor edges 44. Each flap 41 has a fold 47, and point 46 lies in the same plane as points 48, 49 when the valve is closed. The diaphragm in each case is suitably of silicone rubber. In Fig. 5, the diaphragm when conical can have a base angle of 30‹ or 45‹.
Patent GB-292217-A (GB)
Title: Improvements in the production of stable suspensions or pastes of coal
IPC: C10L1/32
Filed: 1927-03-11
Abstract: 292,217. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). March 11, 1927. Solidified oils.-Suspensions or pastes of coal are produced by dispersing the finely ground coal in alcohols to which are added substances, inorganic or organic, soluble in the alcohol. Suitable alcohols are methanol and isobutyl alcohol. Suitable bases are the hydroxides of the alkali metals, ammonia methylamine, pyridine, aniline and the like. Minor amounts of mineral oils may be added, especially those which contain finely divided carbon e.g. crude petroleum and brown coal tar oils. Lignite or other varieties of coal or bitumens mav be heated. The product may be used as the raw material in the process of destructive hydrogenation.
Patent GB-398495-A (GB)
Title: Improvements in and relating to the electric propulsion of ships
IPC: H02P9/06
Filed: 1932-03-07
Abstract: 398,495. Systems for transmitting mechanical power. AKT.-GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. March 7, 1932, No. 6848. Convention date, March 7, 1931. Drawings to Specification. [Class 38 (iv).] A ship-propulsion system comprises a plurality of alternating current synchronous generators each driven by a separate prime mover, for example a Diesel engine, and adapted to be independently connected to and disconnected from an alternating current motor connected to the propeller, means for energizing and substantially de-energizing all the operative generators, and governing means for each prime mover controlling it on the basis of an idle running speed in excess of the working speed but substantially the same as the idle speed of all the other prime movers. The speed of such a ship is increased by adding generators successively to the plant in operation whereupon each prime mover in turn takes up its full load and produces a corresponding increase in ship speed. Paralleling, disconnection and reversal and other switching operations are effected with de-energized generators, light switches being used with or without means for suppressing the remanent fields ; protective devices such as excess current relays effect de-energization of the fields and do not open main circuits. True regulation of ship speed is obtained by coupling all the governors so that they may be simultaneously adjusted to control the speeds of all prime movers together, altering at the same time the no-load setting of the governors of idle machines.
Patent GB-111800-A (GB)
Title: An Improved Wrench or Gripping Tool.
Inventor: MAINWARING WILLIAM
IPC: B25B23/10
Filed: 1917-05-14
Abstract: 111,800. Mainwaring, W. May 14, 1917. Ratchet, clutch, and like wrenches; jaw faces and attachments.-A wrench, particularly for use in inserting and extracting studs, comprises a rotatable holder a carrying a pair of double wedges b, each of which is formed in one piece with the smaller end of the wedges adjacent. The wedges are slidably mounted in a transverse slot in the end of the holder a and are retained therein by a cover plate c and by one or more pins d on each wedge engaged in closed slots e in the holder. The gripping-faces of the wedges are oppositely notched or serrated as shown.
Patent GB-559777-A (GB)
Title: Improvements in or relating to methods of and apparatus for conveying comminuted materials
IPC: B65G53/42
Filed: 1942-05-20
Abstract: 559,777. Pneumatic conveyers. AMERICAN CYANAMID CO. May 20, 1942, No. 6880. Convention date, June 17, 1941. [Class 78 (i)] A suction head or nozzle for a pneumatic conduit has blow holes 19 round the head rim 17 through which air &c. is forced, down a side tube 18, to disintegrate conglomerates of the powdered material to be conveyed. The conveying air is supplied down an annulus between the inner tube 12 and an outer tube 13, and by impact with the material lying between the spokes of a penetrating grill 16 swirls same up and along the tube 12. Bolts 14 and lugs 15 maintain the tubes 12 and 13 apart.
Patent GB-575842-A (GB)
Title: An improved means for supporting a skein of wool or the like which is to be wound into a ball or on to a reel
IPC: B65H49/30
Filed: 1944-04-14
Abstract: 575,842. Skein-holders. TAYLOR, S. C. April 14, 1944, No. 6888. [Class 120 (ii)] A means for supporting a skein of wool &c. to be wound into a ball &c. comprises a base b, spigoted at b<1>, upon which is rotatably mounted a collar a from which four jawed lugs c extend, each lug forming the pivotal mounting for a telescopic rod e, f, each rod f adjustably carrying a peg h the upper side of which is enlarged. The rods e, f and the pegs h are maintained in their adjusted positions by set screws g, j. When out of use, the collar a and rods e may be removed from the base and the latter folded towards each other.
Patent GB-106305-A (GB)
Title: Improvements in Electrical Fuse Boards.
Inventor: CRAWFORD ARTHUR
IPC: H02B1/00
Filed: 1916-05-15
Abstract: 106,305. Crawford, A., and Preston, W., (trading as Sanders & Co., W.). May 15, 1916. Fuse-boards.-In a fuse-board, the clips g, h for receiving the fuses are carried by parallel bars b, c which are held to frames a by cleats d. The bars c act as bus-bars and are insulated only where the cleats hold them. The bars b are of insulating-material or are encased in insulation. The cleats may be divided and arranged so that the bars may be adjusted towards or away from each other, to accommodate fuses of varying length. Shields for the clips may be carried by the bars. The side frames holding the bars may be pivoted at their lower ends, so that the frames with the bars &c. may be swung down to permit inspection of the clips.
Patent GB-540256-A (GB)
Title: Improvements in vinyl resin compositions
IPC: C09D127/06
Filed: 1940-04-17
Abstract: 540,256. Vinyl resin compositions. CARBIDE & CARBON CHEMICALS CORPORATION. April 17, 1940, No. 6903. Convention date, May 31, 1939. [Class 2 (iii)] A coating composition comprises a polyvinyl halide, a polyvinyl ester of a lower aliphatic acid, or a conjoint polymer thereof dissolved in a solvent containing a substantial amount of isophorone or dehydroisophorone. Stabilizers, plasticizers, dyes and pigments may be incorporated in the composition. In examples the composition comprises a vinyl chloridevinyl acetate interpolymer, tricresyl phosphor, isophorone, and xylene, with or without white lead, antimony oxide, titanium dioxide, methyl amyl ketone and tetrahydronaphthalene. According to the Specification as open to inspection under Sect. 91, any vinyl resin may be used. This subject-matter does not appear in the Specification as accepted.
Patent GB-581193-A (GB)
Title: Hut construction
IPC: E04H1/02
Filed: 1944-04-17
Abstract: 581,193. Portable buildings. JACOBSON, L. S. April 17, 1944, No. 7071. [Class 20 (i)] A portable hut assembled in sections has six walls arranged in a regular hexagon and is roofed with three equal rhomb shaped sections having their larger angles less than 120‹ so that each roof section lies in a unique plane. The hut rests on seven truncated concrete cones FS in which are secured bolts b which pass through holes in T section bearers SB, SB2 and the central hole of a plate sp to which the inner ends of the radial bearers are secured The bolts are provided with levelling nuts and washers nw and the holes in the bearers are made oversize to provide tolerance in fitting, The bearers are laid with the web of the T uppermost and on the flanges and intermediate bearers SB1 extending between adjacent radial bearers are laid six triangular floor sections each formed by a triangular frame tf, joists tj, and tongue and groove boarding tg. The walls and roof sections are like-wise built of frames covered on the outside with suitable overlapped sheeting cs and lined inside with plaster board for example. The outer covering of the roof sections is overlapped at the contiguous edges of the sections to make the roof watertight. Windows may be provided in five of the sides and a doorway in the sixth. Huts may be joined together by a common wall or the wall may be omitted or provided with a doorway for communication between the huts. The uppermost angles of the roof sections may be cut away to provide an opening for a vent or flue.
Patent GB-857345-A (GB)
Title: Duct assemblies
Inventor: ALLEN FRANCIS DONALD
IPC: F02K1/82
Filed: 1958-03-05
Abstract: 857,345. Jet-propulsion plant. DE HAVILLAND ENGINE CO. Ltd. Feb. 25, 1959 [March 5, 1958], No. 7094/58. Class 110 (3). [Also in Group XXVIII] In a duct assembly, such as the duct for exhaust gases providing jet-propulsion in an aircraft gas-turbine, and comprising inner and outer concentric tubular elements, series of circumferentially spaced locating members 24, 23, Figs. 2 and 4, attached respectively to the inner and outer elements extend into an annular cooling space 20 between the elements, adjacent pairs of members from the two series being connected by connecting members 25 which extend continuously along substantially the whole length of the duct assembly and which are formed to be engaged and disengaged from the members 23, 24 upon longitudinal movement relative to the tubular elements. As shown, the inner element comprises a series of spaced, overlapping, annular sections 14 ... 18 which form annular passages 21 for the flow of cooling fluid from the space 20 into the duct within the inner element. The members 23, 24, of channel cross-section, overlap radially and are staggered in an axial direction. The cooling space 20 is of gradually diminishing cross-sectional area in a downstream direction, the members 23 or 24 varying in radial length. In another arrangement, Fig. 6, the locating members 30, 31 are of hook-shaped crosssection connected together by a longitudinallyextending connecting member 32, the hooks being directed in the same or opposite circumferential direction. The members 30, 31 may be staggered axially and may overlap. In another embodiment, Fig. 10 (not shown), the outer element is thermally insulated.
Patent GB-398502-A (GB)
Title: Improvements in or relating to the manufacture of methylamine
IPC: C07C209/48
Filed: 1932-03-09
Abstract: Methylamines are produced by hydrogenating gaseous mixtures comprising hydrocyanic acid, in the presence of catalysts consisting of or comprising cyanides of hydrogenating metals, i.e. metals capable of acting as hydrogenating agents such as nickel, copper, and zinc, with or without the free metals, and with or without alkali or alkaline earth cyanides.  The catalysts may be supported upon carriers such as pumice, carborundum, or kieselguhr.  For the production of monomethylamine a large excess of hydrogen should be used, such as 12-16 or more volumes of hydrogen to one volume of hydrocyanic acid, lower proportions of hydrogen being used for di- and tri-methylamine.  Hydrogen may be passed through liquid hydrocyanic acid to produce a mixture containing 94 per cent by volume of hydrogen, which is passed through a copper tube containing nickel or copper cyanide on pumice, the reaction vapour being washed with hydrochloric acid to remove the methylamine, and the residual gas, after drying with sulphuric acid, being returned for use again. In an example, hydrocyanic acid is sprayed into a stream of hydrogen preheated to 100 DEG  C. at the rate of 56 grams of hydrocyanic acid per cubic metre of hydrogen.  The mixture is passed rapidly over the catalyst at 275-280 DEG  C.  The catalyst is made by depositing nickel oxide on pumice, reducing in hydrogen, and precipitating nickel cyanide upon it.ALSO:Methylanines are produced by hydrogenating gaseous mixtures comprising hydrocyanic acid in the presence of catalysts consisting of or comprising cyanides of hydrogenating metals, i.e. metals capable of acting as hydrogenating agents such as nickel, copper and zinc, with or without the free metals and with or without alkali or alkaline earth cyanides.  The catalysts may be supported upon carriers such as pumice, carborundum, or kieselguhr.  For the production of monomethylamine a large excess of hydrogen should be used, such as 12-16 or more volumes of hydrogen to one volume of hydrocyanic acid, lower proportions of hydrogen being used for di- and tri-methylamine.  Hydrogen may be passed through liquid hydrocyanic acid to produce a mixture containing 94 per cent by volume of hydrogen which is passed through a copper tube containing nickel or copper cyanide on pumice, the reaction vapour being washed with hydrochloric acid to remove the methylamine, and the residual gas, after drying with sulphuric acid, being returned for use again.  In an example, hydrocyanic acid is sprayed into a stream of hydrogen preheated to 100 DEG  C. at the rate of 56 grams of hydrocyanic acid per cubic meter of hydrogen.  The mixture is passed rapidly over the catalyst at 275-280 DEG  C.  The catalyst is made by depositing nickel oxide on pumice, reducing in hydrogen, and precipitating nickel cyanide upon it.
Patent GB-854526-A (GB)
Title: Improvements in or relating to rotary shaft seals and pumps provided with such seals
IPC: F16J15/34
Filed: 1957-03-04
Abstract: 854,526. Force-feed lubricating. LA BOUR, H. E. March 4, 1957, No. 7122/57. Class 12 (3). [Also in Group XXVI] A mechanical seal for the vertical shaft 1 of a centrifugal pump, comprising a non-rotatable sealing ring 27 fitted in a hub 20 of a plate A attached to the pump casing and engaged by a sealing ring 42 secured to the shaft, is lubricated by oil supplied to the sealing contact faces by a feeder 52 secured to the shafts and having vanes 58 by which oil is pumped from a reservoir 23 surrounding the hub 20 and supplied with oil from an oil reservoir and level control unit 25 through a passage 27<SP>1</SP>. The reservoir 23 is open to atmosphere through a vent pipe 50 and the feeder 52 has pressure-equalizing holes 56 therein. An oil splash ring 59 is disposed radially outward of the feeder 52. When the shaft rotates oil is pumped by the vanes 58 from the reservoir 23 to the top surface 32 of the hub 20 which slopes inwardly and is provided with guide vanes 33 to direct the oil into the gap between the hub and the shaft and thus on to the top face of the sealing ring 42. Specifications 472,662, 481,105 and 570,212 are referred to.
Patent GB-308448-A (GB)
Title: Improvements relating to telephone instruments
IPC: H04R7/20
Filed: 1928-03-08
Abstract: 308,448. Mullard Radio Valve Co., Ltd., and Hayes, C. F. M. March 8, 1928. Diaphragms. - A diaphragm, particularly for use in hornless loud-speakers, is supported with its circumference free in air by means of a relatively non-extensible cord, thread, tape, wire &c. engaging the diaphragm at a number of points spaced around its circumference in such a way that the cord can slide with respect to the diaphragm, the cord &c. being maintained in a condition of tension by means of a spring, weight, tuning key &c. In the construction shown, a conical diaphragm b is provided with a number of metal clips d in the form of hooks, eyes or loops, a cord e passing through the loops and over pegs f, g fixed to the framework a. The pegs f are plain but the pegs g are extended outwardly in the form of screwed pillars, Fig. 2, for holding a grille h in position. Two pegs f or g are provided between each pair of loops d and are placed in such a position that the spans of the cord e between two pegs on either side of a loop d are directed slightly inwards so that the tension in the cord possesses a definite component pulling radially outwards on each of the loops. As shown, the cord is tensioned by connecting its two ends by a spring l.
Patent GB-1183781-A (GB)
Title: Resolution Process.
Inventor: LEIGH THOMAS
IPC: C07D513/04
Filed: 1968-02-14
Abstract: 1,183,781. 6 - Phenyl - 2,3,5,6 - tetrahydroimidazo[2,1-b]thiazole. IMPERIAL CHEMICAL INDUSTRIES Ltd. 13 Jan., 1969 [14 Feb., 1968], No. 7321/68. Heading C2C. Optical resolution of the title compound (I) is effected by a process comprising treating its solution in an organic solvent with an arenesulphonyl derivative of L-pyroglutamic acid, or a diaroyl derivative of (+)-tartaric acid, the concentrations of the reactants being such that the corresponding (+)- or (-)-I salt crystallizes directly from the solvent. Specifically claimed per se are salts of (+)-I with N-p-toluenesulphonyl - L - pyroglutamic acid (II), N - benzenesulphonyl - L - pyroglutamic acid and di - p - toluoyl - (+) - tartaric acid (III); and of (-)-I with II, N-(naphthalene-1-sulphonyl)- L-pyroglutamic acid, dibenzoyl-( + )-tartaric acid and III.