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Production of acetylene and vinyl chloride from ethylene dichloride. John Philip Baxter, William Arthur Meredith Edward, Ramsay Middleton Winter, Ici, December 17, 1931: GB363009-A (27 worldwide citation)

Acetylene or vinyl chloride is obtained by subjecting ethylene dichloride to a temperature of at least 800 DEG C., or to a substantially lower temperature in the presence of hydrogen chloride or of an inert diluent such as steam. Preferably the ethylene dichloride is heated to a temperature between ...


2
Improvements in wound dressings. Beiersdorf & Co, December 17, 1931: GB363255-A (7 worldwide citation)

Relates to a wound dressing of the kind in which an antiseptic gauze compress is mounted on an adhesive plaster and is provided with a layer of metal, particularly silver. According to the invention, the silver is attached to, or formed on, the side of the gauze compress that faces the wound, and th ...


3
Improvements in heating and ventilating apparatus. Alexander William Stewart, December 17, 1931: GB363152-A (6 worldwide citation)

363,152. Ventilating and heating apparatus. STEWART, A. W., 150, Helen Street, Govan, Glasgow. Jan. 1, 1931, No. 31. [Class 137.] A ventilating and heating unit comprises a prismatic box 7 adapted to be set in a wall or like opening, within which is rotatably mounted a cylindrical casing 4 housing a ...


4
Improvements in hydraulic couplings, gears or brakes. Johann Nikolaus Kiep, December 17, 1931: GB363169-A (5 worldwide citation)

363,169. Brakes. KIEP, J. N., 22, Reichskanzlerstrasse, Hochkamp, Altona, Germany. Jan. 13, 1931, No. 1169. [Class 103 (i).] A container which may receive temporarily all or nearly all the working liquid of a hydraulic coupling, gear, or brake, communicates with the periphery of the driving or drive ...


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Improvements in or relating to cooling towers for water or other liquids. Ove Nyquist Arup, Rudolf Christiani, Aage Nielsen, December 17, 1931: GB363016-A (4 worldwide citation)

363,016. Cooling towers. ARUP, 0. N., Derrylands, Waldron Road, Harrow, Middlesex, CHRISTIANI, R. and NIELSEN, A., (trading as CHRISTIANI & NIELSEN), 72, Victoria Street, London. Sept. 23, 1930, No. 28481. [Class 29.] A water &c. cooling-tower comprises a framework of rigid concrete or metal, e.g. r ...


7
Improvements in or relating to shoes and the like. C W Horrell, William Mccarthy Horrell, December 17, 1931: GB363008-A (4 worldwide citation)

363,008. Boots &c. HORRELL, Ltd., C. W. and HORRELL, W. M., Rushden, Northamptonshire. Sept. 19, 1930, No. 28058. [Class 17 (ii).] Athletic and like wear; construction and fastening.-A supporting member 3 is secured on one or both sides of a boot or shoe, more especially those for sports wear, at th ...


8
Improvements in and relating to the catalytic treatment of hydrocarbons at high temperatures. British & Dominions Feralloy L, James Warwick Bampfylde, December 17, 1931: GB364043-A (4 worldwide citation)

Hydrocarbons are subjected to thermal treatment in chambers containing surfaces of an alloy of iron containing 9-30 per cent of aluminium, and which may contain up to 6 per cent of chromium. Alloys having 10-16 per cent of aluminium are preferred. The alloys may be in the form of tubes, vessels, net ...


9
Improvements relating to tooth or other brushes. Louis Henri Paul Leclerc, December 17, 1931: GB363270-A (3 worldwide citation)

363,270. Brushes. LECLERC, L. H. P., 15, Avenue Perrichon, Paris. April 23, 1931, No. 12026. Convention date, May 2, 1930. [Class 19.] Rubber securing means 5, 6 for holding bristles 4 in brush stocks are provided with collars 7 which are wedged into the stock by the bristles. In the modified form s ...


10
Improvements in and relating to fire extinguishing apparatus. Roland Norton, December 17, 1931: GB363235-A (3 worldwide citation)

363,235. Fire-extinguishers. NOR- 'rON, R., Westfield, Birchfield Road, Birmingham. Feb. 27, 1931, No. 6227. [Class 47 (ii).] In an extinguisher of the kind in which rotation of a rotary cock acts simultaneously to open a pressure generating capsule and a discharge passage to the nozzle, two capsule ...



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