Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
12/1993
12/14/1993US5270279 Production process of formed activated coke for SOx and NOx removal having high NOx-removing ability
12/14/1993US5270114 High thermal conductivity diamond/non-diamond composite materials
12/14/1993US5270017 Apparatus for making chemically activated carbon
12/14/1993US5269953 Synthetic carbon allotropes: graphite intercalated with buckminsterfullerenes
12/09/1993WO1993024687A1 Improved methods and catalysts for the manufacture of carbon fibrils
12/09/1993WO1993024558A1 Method to synthesize carbon-carbon composites
12/09/1993WO1993024408A1 Method of producing active carbon from waste tires
12/09/1993DE4318193A1 Material contg. 60-95 vol.% graphite plus aluminium@ alloy - used for piston mfr., obtd. by impregnation of graphite with molten alloy under high pressure
12/09/1993CA2364075A1 Improved methods and catalysts for the manufacture of carbon fibrils
12/08/1993EP0573315A1 Improved process and furnace for making chemically activated charbon
12/08/1993CN1023040C Hard magnetic material and magnet manufactured from such hard magnetic material
12/07/1993CA1324978C Electrochemical method of surface treating carbon; carbon, in particular carbon fibers, treated by the method, and composite material including such fibers
12/02/1993DE4317905A1 Durable reactor for high temp. hydrogeneration of chloro-silane cpds. - consists of carbon@ fibre composite coated with silicon carbide, pref. with heating element of same material insulated with silicon nitride
11/1993
11/30/1993US5266540 Removal of adsorbed organics, semiconductor redox catalysts, photodegration, UV rad
11/30/1993US5266409 Hard film for magnetic recording media
11/25/1993WO1993023332A1 Carbon dispersion composition and method of obtaining it
11/25/1993WO1993023331A1 Plasma method for the production of fullerenes
11/25/1993WO1993023189A1 Method of obtaining materials in dispersed state with cluster structure of particles
11/24/1993EP0570720A1 Stabilized carbon cluster conducting or superconducting material, its production, and use thereof
11/24/1993CN1078727A Production of carbon black
11/23/1993CA1324469C Process for producing carbon materials
11/18/1993EP0569765A1 Apparatus for manufacturing fine metal and ceramic powder
11/18/1993DE4215845A1 Jewellery grade diamond synthesis - by carbon@ compression using reaction vol. increase of reagent (mixt.)
11/18/1993DE4215562A1 Release of pollution load on active carbon granules - by applying barometric pressure, lowering voltage and time required when conducting electrical current
11/17/1993CN2146477Y Carbon dioxide gas generator
11/16/1993US5261936 Gas treating apparatus
11/11/1993WO1993022239A1 Selective process for making metallofullerenes and uranofullerene compositions
11/11/1993DE4314461A1 Sulphur-contg. activated carbon prodn. for gas extn. adsorbent - by reacting aromatic hydrocarbon(s), tar oil or pitch with sulphur, heating prod. to produce coke, and heating coke in oxidising atmos.
11/11/1993DE4214719A1 Metallic and/or ceramic powders - produced by gas phase reaction (CVR) of metallic cpds. plus other named reactants in tubular reactor have narrow, predetermined size range and high purity
11/10/1993EP0569084A1 Metal carbides, process for making the same, and catalytic end-use
11/10/1993EP0568918A1 Separation of fullerenes
11/10/1993EP0568861A1 Finely divided non-oxide ceramic powders
11/10/1993CN1078213A Method for prodn. of decolour activated carbon from uncoking coal
11/09/1993CA2015909C Cogeneration of electricity and liquid carbon dioxide by combustion of methane-rich gas
11/09/1993CA1323976C Production of ceramic materials by pyrolyzing the reaction mixture containing an aluminum compound
11/07/1993CA2095573A1 Isolation of fullerenes
11/03/1993CN1077934A Activation stove for producing activated carbon by chemical method and operating method thereof
11/02/1993US5258170 Process for producing silicon carbide platelets
11/02/1993US5257503 Method and apparatus for automatic production of blocks of solid carbon dioxide at low pressure
10/1993
10/28/1993DE4214631A1 Fine ceramic powder prodn. with good sintering properties - by impregnating starter material with precursor and heating to decompose using microwave beam
10/27/1993EP0398954B1 Hydroformylation process for producing aldehydes
10/26/1993US5256448 Sol-gel method of making silicon carbide and of protecting a substrate
10/19/1993US5254521 Leonardite char adsorbents
10/19/1993US5254409 Conductive resin composite
10/19/1993US5254370 Method for forming a silicon carbide film
10/19/1993CA1323252C Fluorinated, carbonaceous articles
10/19/1993CA1323150C Air dried cellulose acetate membranes
10/14/1993WO1993020154A1 Production of carbon black
10/14/1993WO1993020022A1 Process for producing carbonaceous composition
10/13/1993EP0565275A1 Process for the synthesis of fullerenes
10/13/1993EP0565273A1 Secondary battery and manufacturing method therefor
10/13/1993EP0564733A1 Adsorption type packings for gas chromatography and process for producing the same
10/13/1993EP0564644A1 Method for the production of hydrogen peroxide using fullerenes
10/06/1993EP0564024A1 Process for producing activated charcoal
10/06/1993EP0563702A2 Process for recovering high-purity hydrogen and high-purity carbon monoxide
10/06/1993CN1022312C Carbon dioxide removal from gaseous mixture
10/05/1993US5250646 Reacting disilane with organometallic compound
10/05/1993US5250491 Preparation of high activity, high density activated carbon
10/05/1993US5250451 Passivation of substrate by hydrogenated amorphous carbon layer
10/05/1993US5250278 Combustion of fuel and oxygen to produce silicon carbide, and of silicon carbide and nitrogen to produce silicon nitride
10/05/1993US5249426 Apparatus for making and delivering sublimable pellets
10/05/1993CA1322648C Transition metal carbon composites and methods for making
10/05/1993CA1322634C Process for producing high density carbon and graphite articles
10/05/1993CA1322633C Composites of flexible graphite particles and amorphous carbon
10/03/1993CA2092230A1 Process for producing activated charcoal
10/01/1993CA2088413A1 Process for obtaining high-purity hydrogen and high-purity carbon monoxide
09/1993
09/30/1993WO1993019007A1 Metastable fullerenes
09/29/1993EP0562665A2 Installation and process for the crystallisation of a mineral and installation and process for the crystallisation of sodium carbonate monohydrate
09/29/1993EP0562248A1 Polymer precursor for silicon carbide/aluminum nitride ceramics
09/29/1993EP0552249A4 Flame or plasma synthesis of diamond under turbulent and transition flow conditions
09/28/1993US5248651 Process for the production of carbon molecular sieves
09/28/1993US5248483 Apparatus and methods for producing ceramic products
09/28/1993US5247949 Method for producing metal carbide heat sources
09/28/1993CA1322443C Semi-permeable membranes comprising predominantly of polycarbonates derived from tetrahalobisphenols
09/22/1993CN1076380A Removing carbon dioxide from mixed gas by compound activator
09/22/1993CN1022180C Process for preparing solid decolorizer
09/21/1993US5246685 Group VIB metal carbides from metal salicylate precursors
09/21/1993US5246550 Carbiding with magnesium oxide; hydrolyzing magnesium carbide to produce higher hydrocarbons
09/16/1993DE4307926A1 Granulating coal powder in presence of thermal cracking residue - giving spherical granules of sufficient density, high mechanical strength and uniform particle size
09/15/1993EP0559747A1 Mould to be used for compacting pellets
09/15/1993CN1076222A Solid metal-carbon matrix of metallofullerites and method of forming same
09/15/1993CN1076206A A method of decomposition of hydrocarbons
09/15/1993CN1076173A Impregnation active carbon for removing phosphine and hydrogen arsenide from hydrogen stream
09/15/1993CN1022104C Process for separation of carbon dioxide
09/14/1993US5244712 Laminated diamond substrate
09/09/1993DE4206891A1 Processing spent active carbon@ filter elements - by first heating to destroy adhesive binder followed by reactivation of released carbon@ spheres
09/08/1993CN1075932A Continuously producing method for fibre active carbon and producing furnace
09/07/1993US5242879 Active carbon materials, process for the preparation thereof and the use thereof
09/07/1993CA1321863C Carbon fibrils, method for producing the same, and compositions containing same
09/02/1993DE4304026A1 Exhausted granular organic ion exchange resins disposal for useful active carbon - by converting to carbon@ pellets by carbonising in mainly inert atmos. and activating in oxidising atmos. for cation exchange styrene] acrylic] acid resin
09/01/1993EP0558131A2 Method for deciding the reactivity and soot index of carbon products and equipment therefor
09/01/1993EP0558130A2 Apparatus for analysing carbon products
08/1993
08/31/1993US5241115 Carbonyl difluoride preparation
08/31/1993US5240794 Electrochemical cell
08/31/1993US5240474 Air separation by pressure swing adsorption with a high capacity carbon molecular sieve
08/31/1993US5240014 Catalytic conversion of carbon monoxide from carbonaceous heat sources
08/31/1993US5239746 Method of fabricating electronic circuits
08/31/1993CA1321782C Method for preparing active carbons
08/29/1993CA2089859A1 Apparatus for analysing carbon products
08/29/1993CA2089857A1 Method for deciding the reactivity and soot index of carbon products and equipment therefor