Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
07/1994
07/20/1994CN2172154Y Portable CO2 generator
07/19/1994US5330802 Plasma CVD of carbonaceous films on substrate having reduced metal on its surface
07/19/1994US5330680 Foliated fine graphite particles and method for preparing same
07/13/1994EP0605814A1 Diamond-like carbon films from a hydrocarbon helium plasma
07/12/1994US5328676 Vapor deposition fullerenes and energizing to form ions then coating and growing
07/12/1994US5328550 And metalllic impurities that lower the melting point and
07/12/1994CA1330621C Partial oxidation process
07/07/1994WO1994014705A1 Process and apparatus for drying and calcining sodium bicarbonate
07/07/1994WO1994014704A1 Method for obtaining crystalline fullerenes directly from fullerene-vapour/soot mixtures
07/05/1994US5325606 Process and apparatus for drying and calcining sodium bicarbonate
06/1994
06/29/1994EP0603765A1 Process for the manufacture of preformed material for making carbon composite
06/29/1994EP0540655B1 Forming carbon dioxide in multi-phase molten bath
06/28/1994US5324703 Method of preparation of gasoline vapor adsorptive activated carbon
06/28/1994US5324495 Reacting fullerene with metal in inert solvent
06/28/1994US5324494 Pyrolysis of hydrocarbon to coat particles with carbon; heating to form silicon carbide
06/28/1994CA1330387C Preparation of elastic graphite materials
06/23/1994WO1994013580A1 Drying and separating process and plant
06/23/1994WO1994007613A3 Method for synthesizing solids such as diamond and products produced thereby
06/22/1994EP0602865A1 Catalyst
06/22/1994EP0602864A2 Palladium containing metal oxide catalyst
06/22/1994EP0602782A1 Secondary battery
06/21/1994US5322642 Method of manufacturing semiconductors from homogeneous metal oxide powder
06/21/1994US5322595 Manufacture of carbon substrate for magnetic disk
06/21/1994CA1330249C High hardness fine grained tungsten-carbon alloys and process for making same
06/16/1994DE4339053A1 New clathrates of nitrogen-contg. fullerene analogues - contg. active agents releasable by irradiation
06/15/1994EP0601956A2 Process for the preparation of carbon monoxide rich gas
06/15/1994CN1025044C Process of toughing diamond particle surface
06/09/1994WO1994012432A1 Gas purification
06/09/1994DE4241245A1 Calcium carbide prodn. from calcium oxide and carbonaceous cpd. - derived from crushed plastics waste in presence of granular calcium oxide by pyrolysis and calcination
06/09/1994DE4241244A1 Calcium carbide prodn. from calcium oxide and carbonaceous cpd. - derived from crushed plastics waste pyrolysed in presence of calcium oxide
06/09/1994DE4241243A1 Calcium carbide prodn. from calcium oxide and carbon component - obtd. from synthetic waste by pyrolysis and partial combustion of pyrolysis gas
06/07/1994US5318797 Coated particles, hollow particles, and process for manufacturing the same
06/07/1994US5318761 Process for preparing silicon carbide powder for use in semiconductor equipment
06/07/1994US5318423 Device for transformation of the graphite into the diamonds
06/07/1994CA1329965C Substance for forming lustrous carbon residues from phenol synthesis
06/01/1994EP0599468A1 Chemical-vapor-deposition-produced silicon carbide
06/01/1994CN1024819C New method for preparing expending graphite
06/01/1994CN1024818C New method for preparation of expending graphite
05/1994
05/31/1994US5316842 Diamond/non-diamond materials with enhanced thermal conductivity
05/31/1994US5316747 Forming carbon dioxide in catalytic reaction
05/31/1994US5316636 Preferentially producing c70 and higher fullerenes
05/26/1994WO1994011539A1 A method of producing metallic magnesium, magnesium oxide or a refractory material
05/26/1994WO1994011301A1 Carbon fluoride particles, process for producing the same, and use thereof
05/25/1994EP0598318A1 Process for preparing spherical granulates from powdery solids and granulated material prepared using this process
05/25/1994EP0598040A1 CARBOTHERMIC REACTION PROCESS FOR MAKING NANOPHASE WC-Co POWDERS.
05/25/1994CN1087029A Manufacture of carbon molecular sieve with walnut shell for air separation nitrogen-enriching
05/24/1994US5314726 Process for forming a mixed layer of a plasma sprayed material and diamond
05/24/1994US5314638 Ion exchange materials produced from hydrolyzed, debituminized, sulfonated peat
05/24/1994CA1329791C Process for making diamond, doped diamond, diamond-cubic boron nitride composite films
05/24/1994CA1329768C Wound dressing with activated carbon
05/18/1994CN1086791A Method for producing high quality brown coal base active carbon
05/18/1994CN1024611C Metal-filled graphite brush for miniature motors and method of making same
05/17/1994US5312599 Rotary furnace apparatus for making chemically activated carbon
05/17/1994CA1329582C Acid gas absorbent composition
05/11/1994WO1994010496A1 Apparatus for bending plastic pipe
05/11/1994EP0596801A2 Expandable graphite compositions for absorption of liquids and method for the manufacture thereof
05/11/1994EP0596572A1 Process for producing activated charcoal
05/11/1994DE4337689A1 Polycrystalline material contg. boron@, carbon@ and nitrogen@ - used in prodn. of grinding materials, cutting tools and semiconductors
05/10/1994US5310553 Intercalation compounds; nonshort circuiting; efficiency
05/10/1994US5310532 Purification of fullerenes
05/10/1994US5310447 Single-crystal diamond of very high thermal conductivity
05/10/1994US5310296 Plunge router with an elastically mounted bushing
05/10/1994CA2056613C Heat exchanger
05/07/1994CA2102559A1 Process for producing activated charcoal
05/04/1994EP0595674A1 Process for pH and fire control in pulp balers
05/04/1994EP0595100A1 Process for producing highly pure streams of hydrogen and carbon monoxide
05/04/1994EP0594738A1 Charge transfer complexes.
05/04/1994EP0594696A1 Process for preparing a dispersion and for preparing polymer particles.
05/03/1994US5308597 Production of heavy metal carbides of high specific surface area
04/1994
04/28/1994WO1994009523A1 Method and apparatus for the selective oxidation of carbon monoxide in a hydrogen-containing gas mixture
04/28/1994DE4235957A1 Separate removal of sulphur cpds. and carbon di:oxide from gas - by desulphurisation catalytically then with doped activated charcoal and pressure swing adsorption to remove carbon di:oxide
04/27/1994CN1024339C Horizontal sealing activated carbon fiber activator
04/26/1994CA1328727C Particles containing an iron carbide, process and use thereof
04/20/1994EP0425579B1 Mecanochemical preparation of carbides and silicides
04/20/1994CN1024270C Process and apparatus for graphitizing carbon bodies
04/20/1994CN1024269C Process & apparatus for graphitizing carbon bodies
04/20/1994CA2108311A1 Process for ph and fire control in pulp balers
04/19/1994US5304527 Preparation for high activity, high density carbon
04/19/1994US5304424 High thermal conductivity diamond/non-diamond composite materials
04/19/1994US5304366 Process and apparatus for producing and separating fullerenes
04/19/1994US5304356 System of pipes, compressor, nozzles, reactor vessel and dispersing propeller for low temperature reaction of carbon dioxide and water to form crystalline hydrate which is then dispersed onto ocean floor
04/19/1994US5304234 Gas separation process and unit therefor
04/14/1994WO1994007794A1 Storage of hydrogen
04/14/1994WO1994007613A2 Method for synthesizing solids such as diamond and products produced thereby
04/14/1994CA2146111A1 A method for synthesizing solids such as diamond and products produced thereby
04/14/1994CA2145648A1 Storage of hydrogen
04/13/1994EP0591202A1 Method for manufacturing activated carbon from cellulosic material
04/13/1994CN1085311A Manufacture of chemicals
04/13/1994CN1085185A Process for preparation of CS2
04/13/1994CN1085184A Method and apparatus for producing edible CO2 gas
04/12/1994US5301509 Method and apparatus for producing carbon dioxide pellets
04/06/1994EP0590871A1 Thinning a diamond body by means of molten rare-earth-containing alloys
04/05/1994US5300553 Method of producing electrically conductive composite
04/05/1994US5300203 Using inert gas stream to carry carbon vapor from vaporization zone to growth and formation zone
03/1994
03/31/1994WO1994006715A1 Process for separating fullerenes
03/31/1994DE4231525C1 Continuous one-step prepn. of powdered activated charcoal - suitable for use as a decolourising agent in prepn. of pharmaceuticals.
03/31/1994CA2144746A1 Process for separating fullerenes
03/30/1994EP0589705A1 Apparatus and method for supplying dissolved carbon dioxide
03/30/1994CN1084489A Preparation of diamond from graphite or carbonaceous solid matter
03/29/1994US5299225 Graphitization furnace