Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
01/1993
01/21/1993WO1993001129A1 Carbon composition and method of obtaining it
01/21/1993WO1993001128A1 Preparation and separation of fullerenes
01/20/1993CN1068153A Artificial diamond purifying apparatus using electrical power to remove catalyst metal
01/20/1993CN1068152A Production of expansible graphite
01/20/1993CN1068151A Preparation for expansible graphite
01/20/1993CN1068086A Preparation method for expansible graphite
01/19/1993US5180574 Electrolytic cells with oxides of iron, manganese, chromium, titanium and cobalt by heat treatment an oxide mixture
01/19/1993US5180529 Process for producing a thin carbon plate
01/19/1993US5180459 Process for producing sealing components from all-carbon composite material
01/19/1993CA1312829C Selective adsorption of co -on zeolites
01/12/1993US5179058 Process for manufacturing a carbonaceous catalyst for the reduction of nitrogen oxides in exhaust gases
01/12/1993US5178847 Process for producing ceramic raw materials
01/12/1993CA1312446C Sublimation method
01/09/1993CA2070436A1 Isotopically-pure carbon-12 or carbon-13 polycrystalline diamond possessing enhanced thermal conductivity
01/07/1993WO1993000294A1 Process for the preparation of metal carbides
01/05/1993US5177304 Hazardous wastes
01/05/1993US5177248 Process of forming polysubstituted fullerenes
01/05/1993US5176863 Flexible graphite composite fire retardant wallpaper and method
01/05/1993US5176843 Composition and use of the composition for the extraction of metals from aqueous solution
12/1992
12/30/1992EP0519988A1 Improved treadwear/hysteresis carbon blacks.
12/29/1992US5175066 Rechargeable battery with solid electrolyte
12/29/1992US5174983 Flowing together gaseous carbon and hydrogen source to form turbulent mixture which is excitied and become reactive and deposited on the substrate
12/29/1992US5174975 Low temperature pyrolysis
12/23/1992WO1992022780A1 Partition wall for a multi-compartment furnace
12/23/1992EP0519620A1 Reinforced flexible graphite article and its manufacture
12/23/1992EP0519587A1 Methods for coating adherent diamond films on cemented tungsten carbide substrates
12/23/1992CN2125576U Carbon dioxide generator
12/22/1992US5173921 Apparatus and process for activation of carbon by electrical resistance heating in the presence of steam
12/22/1992US5173283 Platelets for producing silicon carbide platelets and the platelets so-produced
12/22/1992US5173210 Composition and use
12/22/1992CA1311871C Stable methylpolydisilylazane polymers
12/16/1992EP0518746A1 Charging device for supporting workpieces inside a furnace
12/16/1992CN1067026A A method for preparing desulphurized aetivated carbon
12/16/1992CN1019475B Pressure-gradient adsorption method for extracting of carbon dioxide from gaseous mixture
12/16/1992CN1019474B Method for making active carbon from cocoanut shell
12/15/1992US5172278 Buckminsterfullerenes for optical limiters
12/15/1992US5171734 Introducing into fluidized bed reacaator coating sources in vaporized form, decomposing at specific temperature ranges
12/15/1992US5171406 Fluidized bed selective pyrolysis of coal
12/15/1992CA1311426C Molten salt hydrate membranes for the separation of gases
12/12/1992CA2070841A1 Loading device for supporting workpieces inside an oven
12/09/1992EP0517472A1 Process for producing fine graphite particles
12/09/1992EP0517264A1 Electronic circuits and their fabrication
12/09/1992EP0517070A1 Rechargeable electrochemical cell with liquid electrolyte and lithiated carbon anode
12/09/1992EP0416028B1 Improved process for recovering acidic gases
12/09/1992CN2124228U Apparatus for preparing c-60
12/08/1992US5169808 Metal carbide production from carboxylate precursors
12/08/1992US5169440 Silicon carbide membrane for X-ray lithography and method for the preparation thereof
12/03/1992DE4118342A1 Water-soluble poly:aromatic acids prepn. for prodn. of carbon@ adsorbents - by converting mesophase pitch into swellable prod. with complexing agent, followed by washing and treating with oxidising agent
12/02/1992EP0516394A1 Electrorheological fluid
12/02/1992EP0515892A1 Process for producing mouldings from expanded graphite
12/02/1992EP0515696A1 Process for producing formed active coke for desulfurization and denitrification with high denitrification performance
12/02/1992EP0515446A1 Process for generating carbon monoxide
12/01/1992US5168019 Dispersion of powder of oxide of aluminum, barium or magnesium to absorb free acid
12/01/1992CA1310949C High-density adsorbent and method of producing same
11/1992
11/26/1992WO1992020622A1 Method for producing fullerenes
11/26/1992CA2069220A1 Process for the production of mouldings
11/25/1992EP0514545A1 Carbonaceous material with high electrostatic capacitance
11/24/1992US5166962 X-ray mask, method of manufacturing the same, and exposure method using the same
11/24/1992US5166103 Reaction of tungsten oxide or ammonium paratungstate with carbon powder
11/24/1992US5165916 Method for producing carbide products
11/19/1992EP0514028A2 Composition for use in the production of composite carbon materials, composite carbon material produced therefrom, and process for producing the same
11/19/1992EP0513518A1 Process for depositing synthetic diamond coatings on substrates
11/19/1992EP0513189A1 Carbon black exhibitng superior treadwear/hysteresis performance.
11/18/1992CN1066255A Activated carbon prodn. by making use of residue of furfural and the recovery of sulfur dioxide in flue gas
11/17/1992US5164355 High capacity coconut shell char for carbon molecular sieves
11/17/1992US5164054 Low-cost process for hydrogen production
11/17/1992CA1310332C Impurity removal from carbon monoxide and/or hydrogen- containing streams
11/11/1992EP0512967A2 Sintered carbonitride with controlled grain size
11/10/1992US5162478 Poly(silylene)vinylenes from ethynylhydridosilanes
11/10/1992US5162286 Method of producing granular activated carbon
11/10/1992US5162275 Low temperature kiln carbon reactivation
11/10/1992US5162176 Electrochemical secondary element
11/10/1992US5162133 Process for fabricating silicon carbide films with a predetermined stress
11/10/1992CA1309815C Process for producing carbon heat generator
10/1992
10/29/1992WO1992018438A1 Method of coating a substrate in a fluidized bed
10/28/1992EP0511096A1 Process for local passivation of a substrate, by an hydrogenated amorphous carbon layer, and method for fabricating thin film transistors on this passivated substrate
10/27/1992CA1309229C Process for producing carbon black
10/27/1992CA1309218C Process for producing a carbonaceous thin plate by compressing pitch material between paper sheets
10/23/1992CA2077684A1 Method of coating a substrate in a fluidized bed
10/22/1992DE4112492A1 Very pure carbon mon:oxide recovery from gas mixt. - using high and low pressure columns to remove methane and hydrogen@ e.g. for polymer prodn.
10/21/1992EP0509622A1 Apparatus for treatment of free-flowing or fluid substances, particularly for reactivating of active carbon in an indirect heated reactor
10/21/1992EP0509018A1 Carbon blacks imparting superior treadwear/hysteresis performance and process for producing carbon blacks.
10/21/1992CN1065448A Moving bed process for carbothermally synthesizing nonoxide ceramic powders
10/21/1992CN1065439A Apparatus and process for activation of carbon by electrical resistance heating in presence of steam
10/21/1992CN1018727B Process for preparing high-purity co2
10/15/1992WO1992017403A1 Support bonded polyalkylene-polyamine-poly(carboxylic acid) and extraction of metal ions therewith
10/15/1992WO1992017274A1 Method for regenerating spent activated carbon and portable container for use therein
10/14/1992EP0508630A1 Purification process
10/14/1992EP0507806A1 Adsorbent activated carbonized polyarylamides
10/14/1992EP0448585B1 Process for the production of a catalyst for the removal of oxides of nitrogen from exhaust gases
10/13/1992US5154732 Apparatus for gasifying or combusting solid carbonaceous
10/13/1992CA1308561C Method for manufacturing ice containing carbondioxide
10/07/1992EP0496834A4 Process for the conversion of carbonaceous feedstocks to particulate carbon and methanol
10/06/1992US5152973 Carbonation of metal salt with quaternary ammonium carbonate recovering by filtration, slurrying, dry-spraying and calcining in presence of oxygen under reduced pressure
10/06/1992US5152941 High-density vitreous carbon material and process for producing the same
10/06/1992CA1308232C Method for the continuous chemical reduction and removal of mineral matter contained in carbon structures
10/01/1992WO1992016457A1 Moving bed process for carbothermally synthesizing nonoxide ceramic powders
10/01/1992DE4209878A1 Nitrogen gas generating grains
09/1992
09/29/1992US5151206 Mixing ferric oxide with carbon monoxide and hydrogen to produce iron carbides
09/29/1992CA1307877C Process for producing coal fillers