| Patents for C01B 31 - Carbon; Compounds thereof (38,010) |
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| 05/30/1990 | CN1042522A Process for prepg. carborundum |
| 05/30/1990 | CN1042521A Prepn. for high wear-resistant activated carbon |
| 05/30/1990 | CN1042481A Special purpose drink activated-carbon for removing bitter and unpleasant taste in alcoholic |
| 05/30/1990 | CN1008180B Method for mfg. cyclindric activated carbon from caking coal |
| 05/29/1990 | US4929255 Method for gasifying or combusting solid carbonaceous material |
| 05/23/1990 | CN1042316A Removal of hydrogen sulfide from fluid streams with minimum production of solids |
| 05/23/1990 | CN1042312A Integrated pressure swing adsorption / membrane separation |
| 05/22/1990 | CA2001233A1 Process for producing silicon carbide whiskers |
| 05/17/1990 | WO1990005363A1 Magnetic recording apparatus |
| 05/17/1990 | WO1990005170A1 Multiple metal coated superabrasive grit and methods for their manufacture |
| 05/17/1990 | DE3838338A1 Process and apparatus for recovering CO by fractionation of an H2/CO raw gas mixture by means of multistage partial condensation |
| 05/16/1990 | EP0368490A1 A process for the synthesis of granular diamond |
| 05/15/1990 | US4925459 Using molecular sieve zeolite |
| 05/09/1990 | EP0367618A1 Process for producing carbon monoxide gas |
| 05/09/1990 | EP0366796A1 Activated carbon and process for its production |
| 05/09/1990 | CN1041959A Method of controlled catalytic polymerization of composition polysilazane |
| 05/09/1990 | CN1041886A Method of making carbon adsorbability |
| 05/09/1990 | CN1007869B Product usable for the prepn. of carbonic liquids,preferably carbonic soft drinks for human consumption and the process therefore |
| 05/02/1990 | EP0366539A2 Pitch-based activated carbon fibers and process for preparing the same |
| 05/02/1990 | EP0366237A2 Siloxane-grafted membranes |
| 05/01/1990 | US4921831 Method for preparing active carbons |
| 05/01/1990 | US4921687 Method of making high-orientation sheet-like graphite by using laminar compound |
| 05/01/1990 | US4921685 Method for methane conversion |
| 05/01/1990 | US4921531 Process for forming fine ceramic powders |
| 05/01/1990 | CA2001890A1 Removal of hydrogen sulfide from fluid streams with minimum production of solids |
| 04/25/1990 | EP0365327A2 Method of preparation of porous carbon material and material produced by the method |
| 04/25/1990 | EP0364592A1 Method for obtaining beta -silicon carbide |
| 04/25/1990 | CN1041576A Process of graphitization of carbon elements and background of invention for apparatus |
| 04/25/1990 | CN1041554A Process for making compositions of powdery refractory inorganic compounds and metals |
| 04/25/1990 | CN1007752B Combustion apparatus and process for baking block carbon in chamber |
| 04/24/1990 | US4920088 Catalyst for the oxidation of carbon monoxide |
| 04/24/1990 | US4919860 Manufacture of porous carbon membranes |
| 04/24/1990 | US4919779 Method for producing electrically conductive carbon film |
| 04/21/1990 | CA2000994A1 Method of preparation of porous carbon material and material produced by the method |
| 04/19/1990 | DE3835234A1 Process for producing fused tungsten carbide beads |
| 04/18/1990 | EP0364338A1 Process for controlling the catalytic polymerisation of a polysilazane composition |
| 04/18/1990 | EP0364215A2 Plasma etching apparatus |
| 04/18/1990 | EP0363711A2 Silicon carbide powder, method for the production and use of the same |
| 04/18/1990 | EP0363613A2 Method for the production of active carbon |
| 04/18/1990 | CN1041443A Tunnel kiln for production of artificial graphite electrodes |
| 04/17/1990 | US4917866 Oxidizing silicon powder to monoxide, carbonizing in reducing gas; continuous, high speed |
| 04/17/1990 | CA1267878A1 Process for the production of adsorbent carbon |
| 04/11/1990 | EP0363054A2 Silicon carbide fibre and production thereof |
| 04/11/1990 | EP0362605A2 Process for the preparation of finely divided carbides and nitrides from ceramic precursor compounds |
| 04/10/1990 | US4916028 High strength structure |
| 04/10/1990 | CA2000232A1 Sic powder, a process for its production and its use |
| 04/06/1990 | CA2000221A1 Silicon carbide fibre and production thereof |
| 04/05/1990 | WO1990003458A1 Improvements in and relating to fibrous activated carbons |
| 04/04/1990 | EP0361542A1 Composite articles and process for their production |
| 04/04/1990 | EP0361349A2 Magnetic fine particles of epsilon' iron carbide |
| 04/03/1990 | US4914076 Method of producing an adsorbent for separation and recovery of CO |
| 04/03/1990 | US4914070 Process for the production of silicon carbide with a large specific surface area and use for high-temperature catalytic reactions |
| 04/03/1990 | US4914063 Reacting high purity silicon particles and amines in liquid phase |
| 03/29/1990 | DE3929684A1 Active carbon prodn. |
| 03/28/1990 | EP0360606A2 Preparation of elastic graphite materials |
| 03/28/1990 | EP0360305A2 Process for producing particles of a composite material, and their use |
| 03/28/1990 | EP0360247A2 Method for preparation of active carbon |
| 03/27/1990 | US4912082 Platinum group metal, reducible metal oxide and compound which bind water |
| 03/27/1990 | US4911904 Catalytic oxidation of carbon monoxide |
| 03/27/1990 | US4911362 Method and apparatus for making carbon dioxide snow |
| 03/21/1990 | EP0359020A1 Process for the recovery of wastes containing sodium sulfate |
| 03/20/1990 | US4909973 Method for refining non-oxide ceramic powders |
| 03/14/1990 | EP0358551A1 Method and apparatus for separating a constituent from a mixture of gases |
| 03/14/1990 | EP0358064A1 Method of making high-purity fine particles of reactive metals and maufacturing vessel therefor |
| 03/14/1990 | EP0357885A2 Precursor of pyrolytic carbon |
| 03/14/1990 | CN2054452U Heating power supply device for synthetizing diamond |
| 03/14/1990 | CN1040354A Pressure-gradient adsorption method for extracting of carbon dioxide from gaseous mixture |
| 03/14/1990 | CN1040353A Modified process for selecting of artifical diamond |
| 03/13/1990 | US4908200 Treating carbon material with nitric acid or nitric-sulfuric acid mixture, treating with basic aqueous solution to precipitate carbon component, graphitizing |
| 03/13/1990 | US4908198 Fluorinated carbons and methods of manufacture |
| 03/08/1990 | WO1990002042A1 Fluorinated, carbonaceous articles |
| 03/07/1990 | EP0357001A1 Organic electrolyte secondary cell |
| 03/07/1990 | EP0356658A2 Process for the desorption of adsorbents containing harmful substances, and apparatus for carrying out the process |
| 03/07/1990 | CN1040185A Method for production of active carbon |
| 03/06/1990 | US4906493 Method of preparing coatings of metal carbides and the like |
| 03/01/1990 | DE3934808A1 Carbon recovery from flue gas - comprises using complex of furnace and reactive carbon di:oxide decomposition vessel energised by DC potential |
| 02/28/1990 | EP0355932A2 Fluorinated, carbonaceous articles |
| 02/28/1990 | EP0355875A1 Method of preparing a gas hydrate clathrate, and sublimation method |
| 02/28/1990 | EP0355615A2 Elastomermodified, carbon containing polyphenylenesulfide compositions |
| 02/21/1990 | EP0355045A2 Composition comprising a macrocyclic compound and an organic acid and its use in metal extraction |
| 02/20/1990 | US4902312 Carbon molecular sieves for purification of chlorofluorocarbons |
| 02/15/1990 | DE3827516A1 Process for manufacturing a carbon furnace for atomic absorption spectroscopic analysis |
| 02/14/1990 | CN1039574A Method and apparatus for making carbon electrodes |
| 02/13/1990 | US4900483 Method of producing isotropically reinforced net-shape microcomposites |
| 02/13/1990 | US4900464 Particles containing iron carbide |
| 02/08/1990 | WO1990001016A1 Mecanochemical preparation of carbides and silicides |
| 02/08/1990 | WO1989008609A3 Production of silicon carbide, manganese carbide and ferrous alloys |
| 02/07/1990 | EP0354203A2 Process and apparatus for graphitizing shaped carbon articles |
| 02/07/1990 | CN1039364A Drying method and equipments for activiated carbon fluidity by electrical discharge |
| 02/07/1990 | CN1006719B Granular desulfuring agent of melting iron and process for desulfuration of melting iron |
| 02/06/1990 | US4898778 Multilayer; core with silicon carbide bulk exterior |
| 02/06/1990 | US4898533 Fluidized-bed activation furnace for activated carbon |
| 02/06/1990 | CA1265515A1 Carbonation agent |
| 02/06/1990 | CA1265473A1 Automatic method for separating and cleaning silicon carbide furnace materials |
| 02/06/1990 | CA1265314A1 Method for preparing organopolysilanes and their uses |
| 02/01/1990 | DE3924965A1 Prodn. of coke - by dispersing carbonised prod. with high aspect ratio in oil and coking mixt. |
| 02/01/1990 | DE3824916A1 Fluidised-bed reactor for producing activated carbon |
| 01/31/1990 | EP0353052A2 Process for producing fibres composed of or coated with carbides or nitrides |
| 01/31/1990 | EP0352829A1 Frozen product and method of making it |
| 01/31/1990 | EP0352473A2 Process and apparatus for the production of carbon electrodes |