| Patents for C01B 31 - Carbon; Compounds thereof (38,010) |
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| 06/05/1991 | CN1051870A Dry purifying method with furnace gas |
| 06/04/1991 | US5021368 Novel ceramic-metal compounds |
| 06/04/1991 | US5021230 Method of making silicon carbide |
| 05/31/1991 | CA2004280A1 Process for producing silicon carbide platelets and the platelets so-produced |
| 05/29/1991 | EP0429154A1 Method for the fixation of carbon dioxide and apparatus for the treatment of carbon dioxide |
| 05/29/1991 | EP0428991A2 Composite material of carbon fibers and method for producing the same |
| 05/29/1991 | EP0428977A1 Process for producing carbonaceous material |
| 05/29/1991 | EP0428806A1 A process and apparatus for producing synthesis gas |
| 05/28/1991 | US5019426 High Temperature Polymerizable Liquid Resin |
| 05/28/1991 | US5018667 Phase change injection nozzle |
| 05/22/1991 | EP0428458A1 Multilayer material containing soft graphite, said material being mechanically, electrically and thermally reinforced by a metal and method of producing it |
| 05/22/1991 | EP0428148A2 Process for producing calcium carbide |
| 05/21/1991 | US5017640 Controlled polymerization of silazane monomers |
| 05/21/1991 | US5017525 Organometallic or other polymer |
| 05/21/1991 | US5017444 Lithium cell |
| 05/21/1991 | US5017358 Preparation of elastic graphite materials |
| 05/21/1991 | CA2030323A1 Gasifier adapted to destroy toxic material |
| 05/15/1991 | EP0427620A1 Process for the separation of a gas from a gas mixture using metal complexes of cyclic polynitrogenated derivatives |
| 05/14/1991 | US5015528 Fluidized bed diamond particle growth |
| 05/10/1991 | CA2029455A1 Process for the separation of a gas from a gas mixture using metal complexes of cyclic polynitrogenated derivatives |
| 05/08/1991 | EP0426121A1 Process for the production of silicon carbide abrasive-water-jet nozzle |
| 05/08/1991 | EP0425668A1 Method and reactor for obtaining powdered refractory material |
| 05/08/1991 | CN1051154A Method for making refined grahite with dilute alkaline solution |
| 05/07/1991 | US5013698 Method of reducing carbon loss in regeneration process |
| 05/02/1991 | WO1991005735A2 Active carbon |
| 05/02/1991 | WO1991005734A1 Process for the conversion of carbonaceous feedstocks to particulate carbon and methanol |
| 05/02/1991 | EP0424870A2 Conductive resin composite |
| 05/02/1991 | EP0424537A1 Process for preparation of carbonaceous molded body having excellent compressive elasticity |
| 05/01/1991 | CN1012503B Hydrogenation catalyst for coal tar, a method of hydrogenation of coal tar with use of such catalyst, and a method of producing super needle coke, from the hydrogenation product of coal tar |
| 04/30/1991 | US5011706 Method of forming coatings containing amorphous silicon carbide |
| 04/24/1991 | EP0423967A2 A method of producing granular activated carbon |
| 04/24/1991 | EP0423259A1 Phase change injection nozzle |
| 04/24/1991 | EP0308409B1 Process for producing carbon molecular sieves |
| 04/24/1991 | CN1012419B Integrated pressure swing adsorption / membrane separation |
| 04/18/1991 | WO1991005030A1 Method and apparatus for refinement or treatment of material |
| 04/17/1991 | EP0422435A2 Diamond compacts for rock drilling and machining |
| 04/17/1991 | CN1012374B Method for continuous chemical reduction and removal of mineral matter contained in carbon structures |
| 04/16/1991 | US5007243 Vessel for making high-purity fine particles of active metals |
| 04/16/1991 | CA1283038C Two phase co _storage tank |
| 04/16/1991 | CA1282939C Process for producing graphite |
| 04/13/1991 | CA2021607A1 Diamond compacts for rock drilling and machining |
| 04/10/1991 | EP0421686A2 Electrode plate for plasma etching |
| 04/10/1991 | EP0421314A1 Carbide products and method and apparatus for their production |
| 04/10/1991 | EP0421313A1 Method for producing carbide products |
| 04/10/1991 | EP0421169A1 Catalyst for the oxidation of carbon monoxide |
| 04/10/1991 | EP0395692A4 Low temperature kiln |
| 04/10/1991 | CN1050530A Griding technology for electric carbon graphite production |
| 04/03/1991 | WO1991004944A1 Tetrathiocarbonate process |
| 04/03/1991 | CN1050338A Method of and apparatus for utilizing and recovering co2 in combustion exhaust gas |
| 04/03/1991 | CA2067125A1 Tetrathiocarbonate process |
| 04/03/1991 | CA2020510A1 Method for producing carbide products |
| 04/02/1991 | USH907 Process for producing conductive graphite fiber |
| 04/02/1991 | CA1282533C Organopolysilazane composition containing free radicals and curable by heat supply |
| 03/27/1991 | EP0419087A1 A process for the production of abrasives |
| 03/27/1991 | EP0418864A2 Method of and apparatus for utilizing and recovering carbondioxide in combustion exhaust gas |
| 03/27/1991 | EP0418573A1 Process for treating new or aged graphite powder to improve its effectiveness as a support for metal catalysts |
| 03/26/1991 | US5002905 Reinforced matrix for high temperature thermal insulation, shock resistance, electrical properties |
| 03/20/1991 | EP0418122A1 Oxidation reactor with differential pressure drop and its application . |
| 03/20/1991 | EP0417924A1 Synthetic diamond articles and their method of manufacture |
| 03/20/1991 | EP0417922A1 Producing pure carbon dioxide |
| 03/20/1991 | EP0417253A1 Low temperature method of forming materials using one or more metal reactants and a halogen-containing reactant to form one or more reactive intermediates |
| 03/19/1991 | US5000925 Hydrogen and carbon dioxide coproduction apparatus |
| 03/19/1991 | CA1281838C Cross-linked organosilazane polymers |
| 03/19/1991 | CA1281744C Fluorinated carbons and methods of manufacture |
| 03/12/1991 | US4999177 Process for the preparation of high purity carbon monoxide |
| 03/12/1991 | CA1281477C Method for converting si-h containing polysiloxanes to new and useful preceramic polymers and ceramic materials |
| 03/06/1991 | CN1011878B Method for purifying and crashing scale-shaped graphite |
| 03/05/1991 | US4998267 X-ray lithography carbon mask and method of manufacturing the same |
| 03/05/1991 | US4997632 Semiconductor chemisorption, hydrolysis |
| 02/26/1991 | US4996174 Production of ceramic materials |
| 02/26/1991 | US4996079 Method of depositing thin films consisting mainly of carbon |
| 02/26/1991 | US4996009 Preparation of carbon microballoons |
| 02/26/1991 | CA2023221A1 Synthetic diamond articles and their method of manufacture |
| 02/20/1991 | CN1049428A Metal-filled graphite brush for miniature motors and method of making same |
| 02/20/1991 | CN1011690B Active carbon fluid discharge drying method and unit thereof |
| 02/19/1991 | US4994107 Varying temperature, homogeneous nucleation |
| 02/13/1991 | EP0412501A1 Oxidation of carbon monoxide and catalyst therefor |
| 02/13/1991 | CN1049138A Green silicon carbide smelted method by anthracite and arenaceous quartz |
| 02/12/1991 | US4992200 Recovery of precious metals |
| 02/07/1991 | WO1991001270A1 Method for obtaining silicon carbide powder |
| 02/07/1991 | WO1991001269A1 Method for obtaining molybdenum carbide |
| 02/07/1991 | CA2019136A1 Oxidation of carbon monoxide and catalyst therefor |
| 02/06/1991 | EP0411506A2 Production of hydrogen, carbon monoxide and mixtures thereof |
| 02/06/1991 | EP0411412A1 Process and apparatus for regenerating active carbon loaded with heavy metals |
| 02/05/1991 | US4991181 Platinum group metal, reducible metal oxide and compound which can bind water to its structure |
| 02/05/1991 | US4990168 Recycling to feed gas stream; passive process |
| 02/05/1991 | US4990081 Apparatus for shaping carbonaceous blocks by multiaxial compacting |
| 01/31/1991 | DE3924908A1 Freezing dried carbon di:oxide from fossil fuel combustion - for sinking as dry ice into deep sea to counter greenhouse effect |
| 01/30/1991 | EP0410845A1 Recovery of carbon dioxide plant vent gas using membranes |
| 01/30/1991 | EP0410781A1 Process for preparing carbon material |
| 01/30/1991 | EP0410269A1 Membrane consisting of silicon carbide and silicon nitride, method for the preparation thereof and mask for X-ray lithography utilizing the same |
| 01/30/1991 | EP0409888A1 Method and apparatus for refinement of organic material. |
| 01/30/1991 | EP0409853A1 Production of manganese carbide and ferrous alloys. |
| 01/30/1991 | CN1048834A Producing method for carbon materials |
| 01/23/1991 | EP0409733A1 Carbonaceous material protected against oxidation by boron carbonitrides |
| 01/23/1991 | EP0409144A1 Speaker diaphragm and process for producing the same |
| 01/23/1991 | EP0409015A2 Method for the production of raw material moulded bodies and raw material moulded bodies so produced |
| 01/23/1991 | EP0408979A1 Method and system for throwing carbon dioxide into the deep sea |
| 01/22/1991 | US4987116 Method of preparing a coarse-pored formed carbon |
| 01/22/1991 | US4987115 Method for producing generator gas and activated carbon from solid fuels |