Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
09/1981
09/29/1981US4292276 Apparatus for producing silicon carbide
09/29/1981US4292176 Use of activated carbon in waste water treating process
09/15/1981US4289822 Light-sensitive film
09/15/1981US4289604 Method of producing an isotropic coke
09/15/1981CA1108971A1 Method for minimizing carbon formation on methanation catalysts
09/15/1981CA1108807A1 Neomesophase formation
09/09/1981EP0035011A1 Graphite composition.
09/08/1981US4287719 Carbon dioxide snow hood with J-horn
09/01/1981US4287089 Method for removal of water from activated carbon
09/01/1981US4287025 For making vitreous carbon
09/01/1981US4286390 By passing 1,2-dichloroethane through the activated carbon
09/01/1981CA1108108A1 Adsorbent for artificial organs
09/01/1981CA1107943A1 Process for the preparation of dry soot
08/1981
08/28/1981EP0022855A4 Making non-puffing petroleum coke by delayed coking.
08/27/1981EP0022854A4 Making non-puffing petroleum coke by delayed coking.
08/26/1981EP0034572A2 A process for producing calcium carbide and acetylene and products obtained therefrom
08/26/1981EP0034410A2 Process for the preparation of a feedstock for carbon artifact manufacture
08/20/1981WO1981002292A1 Improved methods and apparatus for the continuous production of carbides
08/20/1981WO1981002291A1 Method for purifying a gas mixture
08/19/1981EP0033959A1 Unsaturated spiro-compound, its use in perfumes and aromas and process for its preparation
08/18/1981US4284616 Process for recovering carbon black and hydrocarbons from used tires
08/18/1981US4284612 Reacting silica with carbonized fibers
08/11/1981US4283376 From polycarbosilane
08/11/1981US4283375 Production of SiC whiskers
08/11/1981US4283269 Process for the production of a feedstock for carbon artifact manufacture
08/11/1981CA1106581A1 Method for making pure beta silicon carbide
08/04/1981US4282187 Production of synthetic hydrocarbons from air, water and low cost electrical power
08/04/1981US4282074 Electrolytic process utilizing a transition metal-graphite intercalation compound cathode
08/04/1981US4282015 Method of and apparatus for regenerating an adsorption agent
08/04/1981CA1106146A1 Manufacture of finely divided carbon
08/04/1981CA1106115A1 Method for fabricating an electrode substrate
07/1981
07/29/1981EP0032788A1 Method for depositing coatings in a glow discharge
07/21/1981US4279702 Apparatus for making hollow carbon microspheres
07/15/1981EP0032097A1 Process for producing a silicon carbide structure
07/14/1981CA1104995A1 Adsorbent for ethylene and process for preparation thereof
07/14/1981CA1104994A1 Process for production of activated carbon fibers
07/14/1981CA1104830A1 Recovery of molybdenum from uranium liquors
07/14/1981CA1104793A1 Removal of phosphine from phosphine-contaminated carbon monoxide gas streams
07/08/1981EP0031586A2 Functionalised carbonaceous adsorbents, which may be ion exchange materials or precursors thereof,processes of making and using them
07/07/1981USRE30667 Lubricants, stain-resistance, waterproofing, cathodes in high energy primary cells
07/07/1981US4277452 Carbon monoxide absorbing liquid
06/1981
06/30/1981US4276275 Process for preparing ultrafine carbide powder
06/30/1981CA1104112A1 Method of preparing activated graphite and catalysts based thereon
06/30/1981CA1104065A1 Method of processing waste water using an absorbent and regenerating same
06/30/1981CA1103900A1 Process for the catalytic oxidation of carbon monoxide
06/25/1981WO1981001699A1 Process for producing beta-type silicon carbide
06/23/1981US4275050 Production of ultra-hard particles
06/23/1981US4274979 Manufacture of activated carbon
06/16/1981US4273675 Process for the preparation of spherical carbon particles and spherical activated carbon particles
06/16/1981US4273619 Apparatus for continuously carbonizing and activating carbonaceous materials
06/16/1981CA1102962A1 Low molecular weight mesophase pitch
06/10/1981EP0030105A2 Polymetallocarbosilane, process for its production and shaped articles of inorganic carbide derived therefrom
06/10/1981EP0030073A1 Process for preparing carbonated beverages using coated charcoal and process for preparing the coated charcoal
06/10/1981EP0029879A2 Process and apparatus for the thermal recovery of metallic carbides or metals
06/10/1981EP0029867A1 Apparatus for producing dry ice from liquid carbon dioxide
06/09/1981US4272359 Method and apparatus for re-processing waste oil
06/09/1981CA1102528A1 Hydrogen sulfide abatement in geothermal steam
06/03/1981EP0029715A1 Porous spherical carbonaceous product and production thereof
06/02/1981US4271242 Carbon fluoride and lithium
06/02/1981US4271006 Process for production of carbon artifact precursor
06/02/1981US4270952 Process for preparing titanium carbide-tungsten carbide base powder for cemented carbide alloys
06/02/1981US4270937 Absorbing sulfur-containing gases with carbon dioxide
06/02/1981CA1102483A1 Organosilicon high molecular weight compounds
06/02/1981CA1102266A1 Process for removing sulfur from coal
05/1981
05/27/1981EP0029187A1 Improved method of making diamond compacts for rock drilling
05/19/1981US4268417 Method of making activated carbon
05/19/1981US4268358 Method of reducing the sulfur content of coal reduced to dust
05/12/1981US4267069 Using an aqueous copper salt solution
05/12/1981CA1100721A1 Carbon pellets with controlled porosity
05/05/1981US4265768 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles
05/05/1981CA1100286A1 Process for separation of nh.sub.3 and co.sub.2 from mixtures containing them
04/1981
04/28/1981US4264342 Thermally condensed mixture of polyacrylonitrile and ferrous acetate as carbon monoxide adsorbent
04/28/1981CA1100093A1 Properties of crystals
04/28/1981CA1100071A1 Removal of impurities from coal
04/28/1981CA1100069A1 Method of removing ash components from high-ash content coals
04/21/1981CA1099490A1 Process for removing mercury from mercury vapour- containing gases
04/21/1981CA1099482A2 Cemented carbides containing hexagonal molybdenum carbide
04/14/1981US4261857 Method and apparatus for regenerating used active carbon
04/14/1981US4261805 Method for regenerating activated carbon
04/07/1981US4260561 Fluorination of carbonyl chlorides with hydrogen fluoride, acetonitrile
04/07/1981US4260484 Hydroxyaromatic compound adsorption
04/07/1981US4260397 Method for preparing diamond compacts containing single crystal diamond
04/07/1981CA1098851A1 Separation of solids from coal liquids with an additive blend
03/1981
03/31/1981US4259092 Multilayer corrugated board of active carbon fibers
03/31/1981US4259090 Method of making diamond compacts for rock drilling
03/31/1981CA1098319A2 Process for the direct production of steel
03/31/1981CA1098265A1 Fiber reinforced carbon and graphite articles and a method of producing said articles
03/24/1981US4257809 Molybdenum monocarbide-tungsten monocarbide solid solutions
03/24/1981US4257337 Silicon carbide furnace side frames
03/18/1981EP0025099A1 Process for manufacturing hard granular activated carbon from sub-bituminous coal
03/17/1981US4256711 Catalysis
03/17/1981US4256607 Process for production of activated carbon fibers
03/17/1981US4256606 Arrangement for the thermal regeneration of charged active coke or active carbon granulate
03/17/1981US4256571 Recovery of silicon carbide whiskers from coked, converted rice hulls by selective flocculation-liquid extraction
03/17/1981US4256496 Heating ores and carbon to effect carburization of metal values in solid phase; removal of carbon monoxide; separation from unreacted gangue
03/17/1981US4256471 Distillation, desorption
03/17/1981CA1097468A1 Method for the preparation of reticulate thermoset resin structures by thermal reticulation of foams
03/10/1981US4255276 Silicatic complexing agent for alkaline earth ions and method of preparing same
03/10/1981US4255128 Container for baking carbon products
03/10/1981CA1097252A1 Process for calcining coke