Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
08/1993
08/26/1993DE4205296A1 Buckminster-fullerene prodn. - using appts. with partly enclosed carbon source and rare gas circulation, to increase yield
08/25/1993EP0557208A1 High activity, high density activated carbon
08/25/1993CN1021904C Method for the production of ammonia and carbon dioxide
08/24/1993US5238760 Molded article for negative electrode, method of producing the same and lithium secondary battery using the same
08/24/1993US5238470 Emission control device
08/19/1993WO1993015823A1 Method of separating carbon monoxide from gas mixture
08/17/1993US5236740 Etching with Murakami's reagent
08/17/1993US5236688 Batch calcining in upper and lower stage fluidized beds with hot exhaust gas
08/17/1993US5236639 Mixing matrix carbon material and carbon fibers in ratio determined from carbonization loss factor and desired product, pressure molding, curing, carbonizing
08/17/1993US5236470 Reacting with oxygen and water by exposure to activating intense radiation field to produce fuel gas
08/17/1993US5235815 Freezing, centrifugin, liquefying, withdrawing, volatilizing
08/14/1993CA2088553A1 Polymer precursor for silicon carbide/aluminum nitride ceramics
08/11/1993EP0555080A1 Carbon composite electrode material
08/11/1993EP0554862A1 Polyimide gas separation membranes for carbon dioxide enrichment
08/11/1993EP0554805A1 Air separation by pressure swing adsorption with a high capacity carbon molecular sieve
08/11/1993EP0554649A1 Hydrides of lithiated nickel dioxide and secondary cells prepared therefrom
08/11/1993EP0554328A1 Method of recovering substantially pure co 2 from a fermentation gas.
08/10/1993US5234674 Process for the preparation of metal carbides
08/10/1993US5234472 Separation of gas mixtures including hydrogen
08/10/1993US5234471 Polyimide gas separation membranes for carbon dioxide enrichment
08/10/1993US5233837 Liquefaction by using expanded nitrogen-rich gaseous stream to heat exchanging
08/05/1993WO1993012639A3 Method of obtaining a sorbent
08/04/1993EP0554119A1 Process for preparing pitch for matrix
08/04/1993EP0553924A1 Process for producing a hydrogen-containing gas
08/04/1993CN1021730C Process and apparatus for hydrocarbons conversion
08/03/1993US5232951 Method of converting environmentally pollutant waste gases to methanol
08/03/1993US5232793 Method of and apparatus for utilizing and recovering co2 in combustion exhaust gas
08/03/1993US5232679 Pyrolysis under oxygen-free condition, condensation, reduction to methane, decomposition to pure carbon and hydrogen, recycle the by-product, exothermic heat exchanging
08/03/1993CA1320940C Clean nanocrystalline powders and articles made therefrom
07/1993
07/31/1993CA2088034A1 Air separation by pressure swing adsorption with a high capacity carbon molecular sieve
07/28/1993EP0552536A1 Carbon rupture disk element and assembly
07/28/1993EP0552422A1 Sinterable carbon powder and method of making it
07/28/1993EP0552249A1 Flame or plasma synthesis of diamond under turbulent and transition flow conditions
07/28/1993CN1074742A A method for combustion of hydrocarbons
07/28/1993CA2088040A1 Process for producing a hydrogen-containing gas
07/27/1993US5230960 Activated carbon fiber structure and process for producing the same
07/27/1993US5230872 Method and apparatus for regenerating activated carbon containing an adsorbed volatile organic absorbate
07/23/1993WO1993014896A1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same
07/23/1993CA2106685A1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same
07/22/1993WO1993014235A1 Method of producing diamond crystals from metallofullerite matrix and resulting product
07/22/1993CA2128231A1 Method of producing diamond crystal from metallofullerite matrix and resulting product
07/21/1993EP0551878A1 Carbon fibers and process for their production
07/21/1993EP0551876A2 Process for removing carbon dioxide from combustion exhaust gas
07/21/1993EP0551297A1 Process for the production of charcoal molecular sieves.
07/20/1993US5229468 Polymer precursor for silicon carbide/aluminum nitride ceramics
07/20/1993CA1320496C Method of preparing a chemical compound
07/14/1993CN1074231A A method of decomposition of hydrocarbons
07/13/1993US5227689 Metal-filled graphite for miniature motors and method of making same
07/13/1993US5227195 Forming coating of metal carbide, metal oxide and/or metal nitride; intermediate is reacted with reactant containing carbon, oxygen or nitrogen
07/13/1993US5227038 Carbon vaporization, plasma
07/13/1993CA1320033C Acicular particulate material containing iron carbide
07/08/1993WO1993013232A1 Solid metal-carbon matrix of metallofullerites and method of forming same
07/08/1993WO1993013014A1 Process and apparatus for producing and separating fullerenes
07/08/1993WO1993012639A2 Method of obtaining a sorbent
07/08/1993CA2127244A1 Solid metal-carbon matrix of metallofullerites and method of forming same
07/07/1993CN1074032A Method and apparatus automatic production of blocks of solid CO2 at low pressure
07/07/1993CN1073925A Improved method and equipment for production of activated carbon using phosphoric acid
07/06/1993CA1319809C Method of making silicon carbide
06/1993
06/30/1993EP0548481A1 Use of copperoxide-aluminium oxide-magnesium oxide catalysts for converting carbon monoxide
06/30/1993CN1021435C Impurity removal from carbon monoxide and/or hydrogen-containing streams
06/30/1993CN1021410C Co2-gas generator with reaction agent
06/29/1993US5223479 Reacting a fullerene with alkali metal
06/29/1993CA1319712C Carbothermally reduced ceramic materials and method of making same
06/26/1993WO1993013016A1 Synthetic diamond-containing material and method of obtaining it
06/24/1993WO1993012395A1 Method and apparatus for automatic production of blocks of solid co2 at low pressure
06/24/1993WO1993012205A1 A method for combustion of hydrocarbons
06/24/1993WO1993012031A1 A method for decomposition of hydrocarbons
06/24/1993WO1993012030A1 A method for decomposition of hydrocarbons
06/24/1993CA2125292A1 Method and apparatus for automatic production of blocks of solid co at low pressure
06/23/1993CN2136830Y Carbonization device
06/23/1993CN1021296C High pressure cavity for synthesis of diamond
06/16/1993EP0546824A1 Metallized paths on diamond surfaces
06/16/1993EP0546552A1 Method for producing carbonaceous powder for electrorheological fluid
06/16/1993EP0546152A1 Catalysts for the production of carbon monoxide
06/16/1993CN1021207C Method for making silicon carbide grinding wheel
06/15/1993US5218757 Tapered carbon microelectrode and process for production thereof
06/12/1993CA2084147A1 Metallized paths on diamond surfaces
06/10/1993WO1993011068A1 Conversion of fullerenes to diamond
06/10/1993WO1993011067A1 Novel salts of fullerenes
06/10/1993CA2124191A1 Novel salts of fullerenes
06/09/1993EP0545296A1 Process for producing carbon dioxide clathrate
06/09/1993EP0545169A2 Silicon containing ceramic powders having a low fluorine content and process for the preparation thereof
06/09/1993EP0545079A1 Method for preparation of fullerenes and heterofullerenes
06/09/1993EP0409888B1 Method and apparatus for refinement of organic material
06/09/1993DE4140456A1 New cation exchanger prepd. from pitch - has controlled sulphonic and carboxylic acid gp. contents, used as catalyst or soil conditioner
06/03/1993DE4239973A1 Composite carbon@ material for use in electrodes - comprises glassy carbon matrix with carbon matrix with graphite crystals spatially arranged in direction to exhibit their inherent electrode reaction activity
06/01/1993US5215651 Process for producing coke
05/1993
05/27/1993WO1993010042A1 Low temperature method for synthesizing micrograin tungsten carbide
05/27/1993WO1993010041A1 Fullerene oxides and synthetic methods therefor
05/27/1993CA2118596A1 Low temperature method for synthesizing micrograin tungsten carbide
05/26/1993EP0543752A1 Process for preparing metal carbides of high specific surface from activated carbon foams
05/26/1993EP0543751A1 Process for preparing metallic carbides of high specific surface unter flowing inert gas at atmospheric pressure
05/26/1993EP0542885A1 Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
05/26/1993EP0542803A1 Process for controlling the product quality in the conversion of reactor feed into iron carbide
05/25/1993US5214667 Process and apparatus for graphitizing carbon bodies
05/25/1993US5213770 Reclaiming oxygen from carbon dioxide in a closed environment such as a spacecraft or submarine
05/25/1993CA1318444C Methylpolysilanes having controllable rheology and method for their preparation
05/22/1993CA2082441A1 Process for the production of high specific surface metal carbides from activated carbon foam
05/18/1993US5212144 Process for making chemically activated carbon
05/18/1993CA1317709C Sound and thermal insulation