Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 31 - Carbon; Compounds thereof
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
10/1991
10/15/1991CA1290518C Process for preparing silicon carbide fibers
10/09/1991EP0450593A2 Method and apparatus for producing carbide products
10/09/1991EP0450307A1 Hydrous trivalent chromium oxide/carbon particles
10/09/1991EP0449921A1 Rechargeable solid electrolyte battery
10/08/1991US5055315 Containing protein-compatible nitrous oxide hydrate clathrate
10/05/1991WO1991015425A1 Easily dispersible carbon blacks
10/04/1991WO1991015726A1 Improved heat exchanger
10/03/1991WO1991014653A1 Liquid carbon dioxide injection in exothermic chemical reactions
10/02/1991EP0449312A2 Process for preparing a graphite film or block from polyamido acid films
10/02/1991EP0448585A1 Process for the production of a catalyst for the removal of oxides of nitrogen from exhaust gases.
10/01/1991CA1289976C Method of production of ceramic powders and powders thus obtained
10/01/1991CA1289865C Gas separation process
10/01/1991CA1289816C Fluidized-bed activation furnace for activated carbon
09/1991
09/25/1991EP0447816A1 Thin carbon plate and process for producing the same
09/25/1991CN1054754A Process for preparing solid decolorizer
09/24/1991US5051143 Alkali metal azide, alkali metal perchlorate oxidizer
09/24/1991US5051115 Pressure swing adsorption process
09/24/1991CA1289454C Hydrogen purification process
09/19/1991WO1991013944A1 Improved treadwear/hysteresis carbon blacks
09/18/1991EP0446988A1 Silicon carbide coatings
09/17/1991US5049409 Method for metal or metal compounds inserted between adjacent graphite layers
09/11/1991EP0445776A2 Preparation of high capacity unsupported regenerable CO2 sorbent
09/11/1991EP0445400A1 Process for preparing intumescent moulded articles
09/11/1991EP0445319A1 Process for fabricating silicon carbide films with a predetermined stress
09/11/1991CN1054403A Solid thiocarbonates and method of manufacture and use
09/10/1991US5047372 Alloyed powder and method of preparing same
09/10/1991CA1288645C Process for preparing a silicon carbide protective coating
09/10/1991CA1288580C Process and installation using ammonia
09/10/1991CA1288572C Macrocrystalline tungsten monocarbide powder and process for producing
09/05/1991WO1991013028A1 Solid thiocarbonates and methods of manufacture and use
09/03/1991US5045406 High strength, oxidation resistance, ductility
09/03/1991US5045356 Process for producing carbon/carbon composite having oxidation resistance
09/03/1991US5045298 Carbon material and process for production thereof
09/03/1991US5044164 Method of preparing a chemical compound
09/03/1991CA1288469C Fuel cell with electrolyte matrix assembly
09/03/1991CA1288214C Addition of calcium compounds to the carbothermic reduction of silica
08/1991
08/29/1991DE4104513A1 Regeneration method for adsorbent carbon - by electrical heating of carbon material which has been removed from its locating unit and pressed into shapes or fibres
08/28/1991EP0443524A1 High-density vitreous carbon material and process for producing the same
08/27/1991US5043310 Mixing, molding, drying with polysaccharides, or glucans, such as curdlan; adsorbers for acetone
08/27/1991US5043219 Composite material
08/22/1991WO1991012203A1 Carbonaceous material with high electrostatic capacitance
08/22/1991WO1991012200A1 Process for generating carbon monoxide
08/20/1991US5040552 Carbon monooxide free iron carbide particles; nontoxic cigarettes
08/13/1991US5039651 Decomposing wood chips, coconut shells with zinc chloride; calcining, activating with gas; adsorbing butane
08/13/1991US5039632 Homogeneous coating of boron nitride and free carbon on the surface of each particle; noncracking
08/13/1991US5039327 Pesticides
08/07/1991WO1991012202A1 Carbon black exhibitng superior treadwear/hysteresis performance
08/07/1991EP0439856A1 Process for the regeneration of active carbon
08/07/1991CA2073871A1 Carbon black exhibiting superior treadwear/hysteresis performance
08/06/1991US5037699 Heat-resistant, corrosion-resistant inorganic composite bodies and process for preparing the same
08/06/1991US5037626 Process for producing silicon carbide whiskers using seeding agent
08/06/1991CA1287433C Preceramic polymers derived from cyclic silazanes, and halosilanes anda method for their preparation
08/06/1991CA1287432C Preceramic polymers derived from cyclic silazanes and halogenated disilanes and a method for their preparation
07/1991
07/31/1991EP0439247A1 Supports for gas chromatography comprising aggregates of finely divided carbon particles and process for preparing the same
07/31/1991EP0439055A1 System and method of converting environmentally pollutant waste gases to methanol
07/31/1991EP0439005A1 Activated carbon fiber structure and process for producing the same
07/30/1991US5035771 Etching to increase surface area, embedding in metal powder, reacting with hydrogen gas stream
07/27/1991CA2034685A1 System and method of converting environmentally pollutant waste gases to a useful product
07/25/1991WO1991010618A1 Carbon blacks imparting superior treadwear/hysteresis performance and process for producing carbon blacks
07/25/1991DE4040035A1 Hard metallic carbon structure - with higher bulk modulus and hardness and lower density than diamond
07/24/1991EP0437881A1 Method for pretreatment of active carbon
07/24/1991CN1053221A Producing technology for calcium carbide from long flame coal
07/23/1991US5034055 Process for the enhanced production of silver from gold and silver bearing ore
07/17/1991WO1991010508A1 Method for regenerating particulate adsorbents
07/17/1991CN1053043A Carbon dioxide removal from gaseous mixture
07/17/1991CA2050927A1 Method for regenerating particulate adsorbents
07/16/1991US5032377 Ring-shaped particles, dustless, free flowing
07/16/1991US5032242 Titanium diboride/boron carbide composites with high hardness and toughness
07/13/1991CA2033138A1 Superhard carbon metal
07/11/1991WO1991010000A1 Adsorbent activated carbonized polyarylamides
07/11/1991WO1991009817A1 Process for producing porous carbonaceous material
07/11/1991WO1991005735A3 Active carbon
07/11/1991DE4000329A1 Solidification of farmyard slurry - with addn. of acids produced from sewage sludge to react with nitrogen cpds.
07/10/1991CN1052851A Tetrathiocarbonate process
07/03/1991EP0435766A2 Structure of expanded graphite and its use in the removal of oil from water
07/03/1991EP0435065A1 Preparation of substantially polycrystalline silicon carbide fibers from polyorganosiloxanes
07/03/1991CA2029163A1 Silicon carbide fiber-reinforced titanium base composites of improved tensile properties
07/02/1991US5028491 Gamma titanium aluminum alloys modified by chromium and tantalum and method of preparation
06/1991
06/27/1991DE3942881A1 Recovering active carbon particles from foam filter - by vaporising foam and adhesive in fluidised bed
06/26/1991EP0434667A2 Processes for producing silicon carbide particles and sinter
06/26/1991EP0433507A1 Producing isotropically reinforced net-shape microcomposites
06/26/1991CN1052463A Purification of graphite
06/26/1991CN1052444A Tubular silicon carbide structures and process for production thereof
06/26/1991CA2032965A1 Removal of oil from water
06/25/1991US5026605 With copper or manganese compound
06/19/1991EP0432944A1 Expanded pyrolytic graphite; process for making expanded pyrolytic graphite; and insulation produced therefrom
06/19/1991CN1052340A Single-crystal diamond of very high thermal conductivity
06/18/1991US5024680 Diamond, chromium carbide and metal carbide multilayer
06/18/1991CA1284980C Mercury adsorbent carbon molecular sieves
06/18/1991CA1284857C Carbon fibrils, produced by contacting metal containing particles with carbonaceous gas
06/13/1991CA2030082A1 Preparation of substantially polycrystalline silicon carbide fibers from polyorganosiloxanes
06/12/1991CN1052093A Process for preparing high-purity co2
06/12/1991CA2030049A1 Single-crystal diamond of very high thermal conductivity
06/11/1991US5023307 Methylpolysilanes having controllable rheology and method for their preparation
06/11/1991US5023057 Carbon particles travelling on a carrier surface reacted with fluorine diluted with an inert gas; continuous processing; nonflammable
06/11/1991US5022894 Diamond compacts for rock drilling and machining
06/11/1991US5022343 Impregnating carbonizing process and apparatus
06/05/1991EP0430397A1 Artificial diamond forming method
06/05/1991EP0429698A1 Product based on solid carbon dioxide, device for conditioning and process for conditioning the product
06/05/1991EP0429557A1 Method and apparatus for producing boron carbide crystals
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