Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
06/1982
06/08/1982US4333916 Process for producing carbonitride of metal
06/08/1982US4333816 Method for the production of needle coke
06/08/1982CA1125264A1 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles
06/08/1982CA1125263A1 Filter material and a method of manufacturing the same
06/02/1982EP0052694A1 Branched polycarbosilanes and their use in the production of silicon carbide
06/01/1982US4332598 Process for treating industrial gas stream
06/01/1982CA1124702A1 Manufacture of activated carbon
06/01/1982CA1124569A1 Process for preparing carbonated liquids with coated crystalline zeolites or coated charcoal
05/1982
05/26/1982EP0052487A1 Method for manufacture of silicon carbide
05/26/1982EP0052482A1 Process for treating industrial gas stream
05/26/1982EP0052446A1 Partially-fluorinated carbon particles for use as electrodes
05/25/1982CA1124031A1 Regeneration of activated carbon employed in the wet process production of phosphoric acid
05/18/1982US4330332 Process for the preparation of molybdenum-tungsten carbides
05/13/1982WO1982001545A1 Silicon carbide bodies
05/12/1982EP0051434A1 Electrode layer formation
05/12/1982EP0051432A1 Active carbon conditioning process
05/11/1982US4329321 Method for the recovery of salts of group VIII noble metals from solutions
05/11/1982CA1123177A1 Catalysis
05/11/1982CA1123176A1 Process for the separation of ammonia and carbon dioxide from mixtures containing ammonia, carbon dioxide and water
05/05/1982EP0050627A1 Porous carbons
05/04/1982CA1122777A1 Process for preparing carbonyl sulfide
04/1982
04/27/1982US4327067 Using a fluidized bed of heat resistant particles
04/27/1982US4327066 Method of preparing silicon carbide
04/21/1982EP0049807A1 Method for the recovery of salts of group VIII noble metals from solutions
04/20/1982US4325930 Coating with polymer, heat treatment
04/20/1982US4325720 Shaper nozzle for a carbon dioxide snow cyclone separator
04/20/1982CA1121971A1 Method for preparing silicon carbide
04/14/1982EP0049516A1 Separation of hydrogen chloride from gaseous mixtures
04/14/1982EP0049343A1 Process for the desorption of loaded solid adsorbents
04/13/1982US4324901 Polysilanes from dichloromethylphenylsilane, dichlorodimethyl0ilane, and sodium
04/13/1982US4324695 For shift conversion, hydrogenation, hydroformylation, methanation
04/07/1982EP0048957A1 Continuous inorganic fibers and process for production thereof
04/06/1982CA1121449A1 High voltage electrolytic cell with positive electrode mainly polydicarbon monofluoride
03/1982
03/31/1982EP0048542A2 Coating infra red transparent semiconductor material
03/24/1982EP0047856A1 Process for the production of calcium carbide
03/23/1982US4321446 Apparatus for production of graphite fibers
03/23/1982US4321295 Modified graphite and process for using same
03/10/1982EP0047134A1 Bagasse residue filter materials and activated carbon products and methods of manufacturing the same
03/09/1982US4318824 Manufacture of porous carbon
02/1982
02/23/1982CA1118787A1 Phosgene manufacture
02/23/1982CA1118583A1 Superheating burner intended for use in the production of activated carbon
02/18/1982WO1982000458A1 Method of obtaining diamond and/or diamond-like modifications of boron nitride
02/17/1982EP0045760A1 Method for purifying a gas mixture
02/16/1982US4315834 Process for recovering the soot formed during the production of synthesis gas by partial oxidation of hydrocarbonaceous materials
02/16/1982CA1118364A1 Charcoal coated absorbent device
02/16/1982CA1118182A1 Carbon dioxide drying
02/10/1982EP0045422A1 Process for the adsorptive elimination of hydrogen sulfide from gaseous mixtures
02/09/1982US4314956 High yield silicon carbide pre-ceramic polymers
02/09/1982US4314599 Process for making a starting material for the manufacture of artificial graphite articles
02/03/1982EP0044867A1 Methods for the continuous production of silicon carbide.
02/02/1982US4313849 Process for the production of activated carbon from a moist organic substance
02/02/1982CA1117556A1 Process for the production of a hard solid solution
02/02/1982CA1117513A1 Spherical activated carbon having low dusting property and high physical strength and process for producing the same
01/1982
01/27/1982EP0044437A1 Process for the reactivation of active carbon
01/26/1982US4312970 Pyrolysis to silicon carbide ceramics
01/19/1982US4311682 From coal and hydrocarbon, coking
01/19/1982US4311495 Separating carbon dioxide and ethane by liquid-liquid extraction
01/12/1982US4310651 Method for preparing silicon carbide
01/12/1982US4310482 Reducing halopolysilanes
01/12/1982US4310334 Methods of producing fuels from solid materials
01/12/1982CA1116157A1 Granular activated carbon manufacture from sub-bituminous coal treated with dilute inorganic acid: direct activation method
01/12/1982CA1116156A1 Granular activated carbon manufacture from brown coal treated with concentrated inorganic acid without pitch
01/12/1982CA1116155A1 Granular activated carbon manufacture from brown coal treated with dilute inorganic acid
01/05/1982CA1115680A1 Production of abrasion-resistant active carbon carriers or catalysts
01/05/1982CA1115495A1 Selective catalytic oxidation of carbon monoxide in the presence of olefin monomers
12/1981
12/23/1981EP0042295A1 Carbon-caffeine separation
12/22/1981US4307048 Method for lining an aluminum electrolytic cell
12/22/1981CA1114872A1 Gas tight seal for electrodes in smelting furnaces
12/22/1981CA1114764A1 Treatment of pyrolysis fuel oil
12/15/1981US4305827 Heavy metal adsorbents of high selectivity, process for production of same, and adsorption process
12/09/1981EP0041433A1 Process and device for the synthesis of diamonds
12/01/1981US4303630 Process for the production of carbon monoxide
11/1981
11/25/1981EP0006886B1 Extrahard material of hexagonal structure based on metal carbides, a method for its preparation and its use as a catalyst or for sintered carbide products
11/24/1981US4302221 Process for regeneration of carbonaceous adsorbent for use in desulfurization of exhaust gas
11/24/1981CA1112840A1 Conversion of hydrocarbons and carbon monoxide in exhaust gas streams
11/17/1981US4301133 By reacting calcium oxide and carbon with pyrophosphoric acid
11/12/1981WO1981003167A1 Mesoporous carbons
11/11/1981EP0039417A1 Process for producing silicon
11/10/1981US4299805 Water washing following by contacting with a base, then mineral acid
11/03/1981US4298736 Carbon-caffeine separation
11/03/1981US4298626 Production of an iso-α-acid preparation from hops
11/03/1981US4298559 High yield silicon carbide from alkylated or arylated pre-ceramic polymers
11/03/1981US4298558 High yield silicon carbide pre-ceramic polymers
11/03/1981CA1111794A1 Treatment of coal with metal containing compounds
10/1981
10/29/1981WO1981003063A1 Distillative separation of carbon dioxide from hydrogen sulfide
10/28/1981EP0038686A2 Distillative separation of carbon dioxide from hydrogen sulfide
10/28/1981EP0038669A1 Process for preparing a pitch suitable for carbon fiber production
10/28/1981EP0038632A2 Process for producing carbonitrides of metal
10/27/1981US4297331 Catalysis
10/21/1981EP0037898A1 Process for producing calcium carbide
10/20/1981US4296177 Flexible graphite sheet, material or layer containing metal molybdate
10/20/1981US4296078 Separation of hydrogen chloride from gaseous mixtures
10/20/1981US4295890 Containing boron or boron carbide
10/20/1981CA1110991A1 Coking drum and process for forming improved graphite coke
10/20/1981CA1110824A1 Silicatic complexing agent for alkaline earth ions and method of preparing same
10/07/1981EP0037104A2 Clutch with pyrolytic carbon friction material
10/06/1981US4293533 Method for producing solid carbon material having high flexural strength
10/06/1981US4293450 Process for conducting electricity utilizing a specifically defined graphite intercalation compound
10/06/1981US4293322 Distillative separation of carbon dioxide from hydrogen sulfide
10/06/1981US4293099 Recovery of silicon carbide whiskers from coked, converted rice hulls by froth flotation