Class 502/433 - Including free oxygen

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Process in which uncombined element number 8 is recited,
No. of patents: 34
Last issue date: 11/27/2007

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Number	Title	Issue Date
7300586	pH stable activated carbon An activated carbon composition is disclosed, which includes an activated carbon and a carboxylic acid containing compound. The activated carbon composition is prepared by immersing an activated carbon in an aqueous solution of a carboxylic acid containing compound....	11/27/2007
7250067	Gas and odour treatment The present invention relates to a product for, and a method of, treating gases, fumes and vapors with fragments of crustacean shell so as to extract one or more components/pollutants from the gases. ...	07/31/2007
6537947	Activated carbons from low-density agricultural waste Activated carbons derived from low-density lignocellulosic agricultural waste, and for use in absorption of metals, are prepared utilizing carbon dioxide or steam activation at 800° C. to 950° C. for 3 to 12 hours and subsequent oxidation with air at 26...	03/25/2003
6337302	Method for producing activated carbon from carbon black Purified carbon black carried by a screw conveyer, while being subject to preheating treatment, is transported to a microwave heating zone where it is heated to a temperature between 250° C. and 400° C. and subsequently, it is sent into a flow-type stea...	01/08/2002
6184177	Method of producing activated carbon particles from spent granular organic ion-exchange resin A method of processing spent ion-exchange resins contaminated with suspended particles, inorganic residues and/or organic foreign matter so as to render the resin ineffective for continued use, by which method this waste material can be processed to produ...	02/06/2001
6060424	High energy density carbons for use in double layer energy storage devices The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials (particularly wood-based lignocellulosic materials) which are useful f...	05/09/2000
6043183	High power density carbons for use in double layer energy storage devices The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials (particularly wood-based lignocellulosic materials) which are useful f...	03/28/2000
5990041	Mesoporous activated carbon filaments This invention relates to a mesoporous carbon material in the form of filaments having a high surface area. A process is also provided to produce mesoporous carbon material of high surface area. The process comprises drying a carbon material, surface oxid...	11/23/1999
5888928	Process for producing activated carbon fiber molding and activated carbon fiber molding A process for producing an activated carbon fiber molding is disclosed which comprises spinning an isotropic pitch to thereby obtain pitch fibers, infusibilizing the pitch fibers to thereby obtain infusibilized fibers, heating the infusibilized fibers und...	03/30/1999
5840651	Process for the production of activated coke for simultaneous desulfurization and denitrification Disclosed is a process for the production of high-strength activated coke for desulfurization and denitrification. The process comprises forming a mixture of plural coals of different caking properties and a binder, said mixture containing said coal of hi...	11/24/1998
5714433	Activated carbon treated by carbon dioxide for the stabilization of treated water pH Treatment of a wet activated carbon with carbon dioxide or with carbon dioxide followed by air results in a carbon having a reduced contact pH. The activated carbon is characterized by a modified contact pH less than about 9.0 and typically between about ...	02/03/1998
5498589	Process for the production of carbon molecular sieves A process is disclosed for preparing a carbon molecular sieve used for the separation of oxygen from nitrogen, which comprises the steps of: (a) milling hard coal to a grain size of 95%	03/12/1996
5482915	Transition metal salt impregnated carbon The present invention is a synthesis, product and process for activated carbon and preferably carbon molecular sieve separation of air to produce a nitrogen product wherein a carbon is partially pyrolyzed, impregnated with a transition metal salt and furt...	01/09/1996
5446005	Pitch-based activated carbon fiber There is disclosed an optically isotropic pitch-based activated carbon fiber which has a proportion of the number of ultramicropores with a pore diameter of 0.5 nm or smaller to the total number of pores with a pore diameter of 4 nm or smaller being at le...	08/29/1995
5124292	Process for the regeneration of activated carbon product by reverse burn gasification Process for the regeneration of an activated carbon or activated coke product comprising loading the activated product into a reaction vessel having two ends, initiating a flame front at one end of the vessel, introducing an oxidant to the other end of th...	06/23/1992
5071820	Carbonaceous material with high micropore and low macropore volume and process for producing same A method which minimizes macropore formation while producing microporous carbon comprises a two stage process. Firstly, the carbon is heated to a temperature in the range of about 150° to about 200° C. in the presence of oxygen for a time in the range o...	12/10/1991
5037791	Porous metal oxide supported carbon-coated catalysts and method for producing same Supported carbon-coated catalyst material and a method for producing and using same in catalytic reaction processes, preferably in ebullated or fluidized catalyst beds. The catalyst materials are prepared by depositing a porous carbon layer on a support m...	08/06/1991
4988656	Olefin polymerization catalyst A solid hydrocarbon-insoluble, alpha-olefin polymerization catalyst component with superior activity, stereospecificity and morphology characteristics comprises the product formed by (A) forming a solution of a magnesium-containing species from a magnesiu...	01/29/1991
4985150	Water treatment using oxidized coal Oxidized coal is used to remove dissolved or suspended matter from aqueous mediums. It is particularly effective in removing metal ions dissolved in aqueous mediums and/or bacteria from aqueous mediums....	01/15/1991
4978649	Porous carbonaceous material The present invention relates to physical chemistry. The material is made as a three-dimensional matrix with a pore volume of from 0.2 to 1.7 cm3 /g. The matrix is formed by bent layers of carbon of 100-10,000 Å thickness and 100-10000 Å radius of...	12/18/1990
4957897	Carbonaceous adsorbents from pyrolyzed polysulfonated polymers Carbonaceous adsorbent particles having multimodal pore size, including micropores and macropores, with improved adsorptive and separative properties, are prepared by partial pyrolysis of polysulfonated macroporous precursor resins, said resins being in t...	09/18/1990
4883499	Process adapted to produce synthesis gas and activated carbon from organic input material An improved gasification system, in which synthesis gas is produced through the operation of a fuel gas production bed comprising an upper layer (66) of organic input material, typically in the form of pellets or briquettes of substantially uniform size a...	11/28/1989
4734394	Process for producing molecular sieve carbon fibers Molecular sieve carbon fibers capable of separating and purifying nitrogen from air in large quantities are provided. The carbon fibers have diameters of 5 to 50 μm and micropores opening directly at the surface of the carbon fibers with pore sizes of 0....	03/29/1988
4616001	Activated carbon The present invention is directed to an activated carbon made from macadamia nuts. The macadamia nuts each comprise an outer husk, a shell and a kernel. The shell is used as a material of the activated carbon. The shell is separated from the husk and the ...	10/07/1986
4529717	Partially calcined carbonaceous material as a reductant An improved solid carbon reductant comprising partially calcined carbonaceous materials such as petroleum coke, containing relatively low amounts of residual hydrocarbons and a relatively high surface area and thus increased activity as compared to known ...	07/16/1985
4492771	Process for producing carbon material for de-sulfurization from a binder with a blend of noncoking and coking coal Carbon material for de-sulfurization excellent in adsorptibility and mechanical strength can be produced from coal by controlling the physical properties of the raw material coal before its shaping to particular ranges, and subjecting the shaped coal to c...	01/08/1985
4313849	Process for the production of activated carbon from a moist organic substance Coke or activated carbon is produced from a moist organic substance, for example from a residue from the production of furfural. Initially the moist organic substance is introduced together with hot flue gases into a drying zone of a cylinder furnace and ...	02/02/1982
4204979	Method of processing activated carbon A method for processing of sewage sludge from wastewater treating plants and the initial activation and regeneration of activated carbon granules or powder used for adsorption in wastewater treatment and the like. The method is carried out by supporting t...	05/27/1980
4154704	Activated reticulated or unreticulated carbon structures Novel activated carbon reticulated or unreticulated structures with interconnected cells are described. The carbon skeletal structures which are activated are derived from the carbonization of a parent homogeneous alloy of a furan resin with a polyurethan...	05/15/1979
4118341	Activated carbon A method for the manufacture of an activated carbon by subjecting an acrylonitrile polymer to thermal condensation and activating the resultant condensation product and an activated carbon manufactured by said method. The activated carbon obtained is char...	10/03/1978
4107084	Process for activating carbonaceous material There is disclosed an improved process for activating carbon in a fluidized bed system which includes continuous activation at a temperature between 1,000° F. and 2,200° F. using a specific composition of fluidizing gases. The thermal energy required to...	08/15/1978
4049395	Method for treating raw material with a treating gas A method for treating raw material comprises mixing fuel and air in a mixing chamber to produce a combustible mixture, ejecting the combustible mixture into a combustion chamber and burning it therein to evolve hot products of combustion which are fed dir...	09/20/1977
3979330	Carbon containing molecular sieves Process for preparing carbon containing molecular sieves adapted for separating small molecular gases in particular oxygen from nitrogen which comprises treating coke having a content of volatile components of up to 5% at 600°-900°C with a hydrocarbon s...	09/07/1976
3960761	Production of strong active carbon moldings In the production of break-resistant and abrasion-resistant shaped structures of active carbon, comprising the steps of molding a finely divided, carbon-containing starting material with a binder, hardening the molding, eliminating volatile constituents f...	06/01/1976

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Class 502/433 - Including free oxygen