Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
11/1997
11/05/1997CN1163859A Direct process for producing high-purity alpha-SiC micropowder
11/05/1997CN1036333C Method for preparation of active carbon using asphalt as raw material
11/05/1997CN1036332C Method for preparation of active carbon using asphalt as raw material
11/04/1997US5683492 Withdrawing purge gas from acetic acid synthesis, separating purge gas using adsorption and recycling gas fraction rich in carbon monoxide upstream of acetic acid synthesis stage
11/04/1997US5683489 Improved efficiency, adsorption of sulfur on surface, suppression of precipitation of free carbon
10/1997
10/30/1997WO1997040207A1 Diamond-like nanocomposite compositions
10/29/1997EP0803926A2 A secondary battery or cell with a non-aqueous electrolyte
10/29/1997EP0802988A1 Method of forming diamond-like carbon film (dlc), dlc film formed thereby, use of the same, field emitter array and field emitter cathodes
10/29/1997EP0802882A1 Process for producing granulated active carbon
10/29/1997CN1036262C Process for preparation of powder for ceramics made of metal and/or metalloid nitride and/or carbide by flashing decomposition
10/28/1997US5681503 Flat sheet CO2 sorbent
10/28/1997US5681360 Landfill gas recovery
10/21/1997US5679480 Lithium secondary battery employing a non-aqueous media
10/21/1997US5679316 Activated carbon, production thereof and adsorption using activated carbon
10/21/1997US5679281 Gelled material compositions with modified halopolymer
10/15/1997EP0800883A2 Method for producing amorphous based metals
10/15/1997CN1161995A Granulated acetylene black, production method and application thereof
10/15/1997CN1036130C Method for prodn. of activated carbon
10/14/1997US5677373 Catalytic copolymerizing the monomers on to the swelling ionic polymeric drops
10/14/1997US5677085 Electrode materials for electrochemical cells and method of making same
10/14/1997US5677083 Non-aqueous lithium ion secondary battery
10/14/1997US5677082 Coke; graphite
10/14/1997US5677075 Activated lead-acid battery with carbon suspension electrolyte
10/12/1997CA2190422A1 Method for producing amorphous based metals
10/09/1997DE19613070A1 Preparing higher endohedral fullerene(s) internally doped with rare earth metal
10/08/1997EP0799282A1 Carbon materials reacted with diazonium salts
10/08/1997EP0799155A1 Manufacture of carbonyl fluoride
10/08/1997CN1161655A Carbonization of halocarbons
10/08/1997CN1161306A Method for preparing active carbon
10/08/1997CN1036061C Method for preparing diamond from graphite or carbonaceous solid matter
10/07/1997US5674463 Sulfur-free gas produced by hydrolysis of carbonyl sulfide followed by oxidation of product, hydrogen sulfide to elemental sulfur and metal sulfides using ferric oxide followed by copper and/or zinc oxide catalyst
10/01/1997EP0797688A1 Method for deposition of diamondlike carbon films
10/01/1997EP0658245B1 Process and apparatus for producing liquid carbon dioxide
09/1997
09/30/1997US5672747 Catalytically reacting perchloroethylene, hydrogen chloride, oxygen to produce hexachloroethane and water, drying hexachloroethane, catalytically reacting with carbon monoxide to produce phosgene and recyclable perchloroethylene
09/30/1997US5672446 Lithium ion electrochemical cell
09/30/1997US5672382 Composite powder particle, composite body and method of preparation
09/30/1997US5672327 Beneficiation of kish graphite
09/30/1997CA2010984C Method and apparatus for making carbon dioxide snow
09/24/1997EP0796819A1 Process for producing phosgene
09/24/1997EP0796655A1 Method of activating a material to be activated for adsorbent
09/24/1997EP0796403A1 Functionalized nanotubes
09/23/1997US5670124 Nitrogen-containing molecular sieving carbon, a process for preparing the same and use thereof
09/18/1997WO1997034330A1 Carbon anode for lithium ion electrochemical cell
09/17/1997EP0795889A2 Plasma-etching electrode plate
09/17/1997EP0795516A1 Shaped lignocellulosic-based activated carbon
09/17/1997CN1159422A Activated carbon and making method
09/17/1997CN1159421A Porous carbon material containing minute pores, and process for preparing the same
09/17/1997CN1035897C Apparatus for bending plastic pipe
09/16/1997US5668068 Sintered silicon carbide and method of making
09/16/1997US5667914 Process for preparing carbonaceous material for negative electrode of cell and non-aqueous electrolyte secondary cell using same
09/12/1997WO1997033327A1 Method for increasing reversible lithium intercalation capacity in carbon electrode secondary batteries
09/12/1997WO1997033176A1 Graphitic nanotubes in luminescence assays
09/12/1997WO1997032571A1 Functionalized nanotubes
09/12/1997CA2246694A1 Method for increasing reversible lithium intercalation capacity in carbon electrode secondary batteries
09/10/1997EP0794240A1 Mercury adsorbent
09/10/1997EP0793731A1 Process and apparatus for the manufacture of steel from iron carbide
09/10/1997CN1158877A Active carbong rain surface coating method
09/09/1997US5665435 Photodegrading perfluorinated alkyl iodides to produce free radicals; anchoring, decomposing, chemisorption
09/09/1997US5665319 Method of separating carbon dioxide from carbon dioxide containing gas and combustion apparatus having function to separate carbon dioxide from the combustion gas
09/09/1997US5665277 Nanoparticle synthesis apparatus and method
09/09/1997US5665140 Method for the production of iron carbide
09/09/1997CA2020904C Carbide products and method and apparatus for their production
09/04/1997DE4302211A1 Crystalline silicon carbide fibres from boro-silazane precursors
09/03/1997EP0792958A2 Activated carbon fiber molding and process for producing the same
09/03/1997EP0792837A1 Gas recovery in the production of a chilling medium such as carbon dioxide snow
09/03/1997EP0731909A4 Sensors employing interference of electromagnetic waves passing through waveguides having functionalized surfaces
09/03/1997EP0576684B1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same
09/02/1997US5662876 Elution of fullerene mixtures on carbon columns for separation
08/1997
08/28/1997WO1997030932A1 Phosgene manufacturing process
08/27/1997EP0791668A2 Apparatus and method for depositing diamond film
08/27/1997EP0790964A1 Method for preparing silicon carbide ceramic materials, and starting composition for use with this method
08/27/1997CN1158115A Process for producing molecular-sieve carbon
08/27/1997CN1157808A Method for producing silicon carbide by using electric resistance furnace
08/26/1997US5660603 Using aqueous liquid to selectively absorb one of gases in mixture
08/26/1997CA2124061C Vitreous carbon-active carbon composite material, process for producing said composite material, and polarizable electrode using said composite material for use in electric doublelayer capacitor
08/26/1997CA2028894C Tubular silicon carbide structures and process for production thereof
08/24/1997CA2176423A1 Apparatus and method for depositing diamond film
08/21/1997WO1997029906A1 Monolithic activated carbon
08/20/1997EP0790212A1 Process and apparatus for producing carbon monoxide
08/20/1997EP0644854B1 Purification of fullerenes
08/20/1997CN1157258A CO2 absorption indicator and reagent kit for diagnosing pyloric Helicobacterium
08/19/1997US5658395 Method of preparing powders for hard materials from APT and soluble cobalt salts
08/19/1997US5657642 Apparatus for cooling food products
08/17/1997CA2197529A1 Process and plant for producing carbon monoxide
08/14/1997WO1997029045A1 AN ACTIVATED CARBON TREATED BY CARBON DIOXIDE FOR THE STABILIZATION OF TREATED WATER pH AND THE CONTROL OF ALUMINUM IN THE TREATED WATER
08/13/1997EP0788395A1 Carbonization of halocarbons
08/13/1997EP0713477B1 Method for making submicrometer carbides, submicrometer solid sollution carbides, and the material resulting therefrom
08/07/1997WO1997028570A1 Lithium ion electrochemical cell
08/07/1997WO1997028547A1 Activated carbon electrode and process for producing the same
08/07/1997WO1997028283A1 Process for converting iron oxide to iron carbide
08/07/1997DE19621412A1 Verfahren zum Umwandeln von Eisenoxid in Eisencarbid unter Einsatz eines intern erzeugten Kohlenoxids als Mittel zum Carbidisieren A process for converting iron oxide to iron carbide using a carbon oxide generated internally as a means for Carbidisieren
08/07/1997CA2243639A1 Lithium ion electrochemical cell
08/06/1997EP0787822A1 Process and apparatus for producing SiC by CVD with improved gas consumption
08/06/1997CN1156123A Method for improving non-melting process of asphalt balls
07/1997
07/30/1997EP0786154A1 Lithium battery with electrodes containing carbon fibrils
07/30/1997EP0785818A1 Multiple stage semi-permeable membrane gas separation process
07/30/1997EP0739236A4 Metallo-oxomeric scrubber compositions, and method of gas purification utilizing same
07/30/1997EP0641738B1 Compound-deposited needle-shaped fine particles, method of manufacturing the same, and use of the same
07/29/1997US5651950 Silica gel, coal tar pitch resins
07/24/1997WO1997026660A1 A method of containing radiation using fullerene molecules