Class 502/420 - Temperature vs. time factor

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Process in which a relationship between the amount and the
No. of patents: 32
Last issue date: 03/27/2007

Number	Title	Issue Date
7195713	Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ...	03/27/2007
7060766	Methods of forming a supported activated catalyst composition Processes of forming a supported activated catalyst composition and method of polymerization are disclosed, the process of forming the composition including combining a halogenated aromatic aluminum activator compound with a fluorinated support and a catalyst to for...	06/13/2006
7008534	Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ...	03/07/2006
6967014	Method of obtaining a carbon fiber fabric by continuously carbonizing a cellulose fiber fabric The carbonization of cellulose fiber fabric comprises an initial stage of heat treatment up to 250° C. to 350° C., with a relatively high mean temperature rise speed of 10° C./min to 60° C./min, an intermediate stage up to 350° C. to 500° C. with a lower mean ...	11/22/2005
6916358	Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen An adsorbent for separating nitrogen from a mixed gas of oxygen and nitrogen is MSC wherein an oxygen and nitrogen separation ratio α and a ratio (t95/t50) of a time t50 required for adsorbing 50% of the oxygen equilibrium adsorptio...	07/12/2005
6626981	Microporous carbons for gas storage A method for producing high capacity gas-storage microporous sorbents involves precursor carbonization under relatively severe heat-treatment conditions, normally followed by activation using a cyclic chemisorption-desorption process....	09/30/2003
6503655	Gas diffusion electrode and its production A thin, flat, and porous carbon gas diffusion electrode having a side in contact with a supply of gas and a side in contact with an electrolyte, comprises a pyrolysis product of a composite of an organic aerogel or xerogel and a reinforcing skeleton consi...	01/07/2003
6500401	Carbon foams and methods of making the same A method of making carbon foam is described which involves pyrolizing a mixture containing at least one pyrolizable substance and at least one unpyrolizable material and then removing the unpyrolizable material to obtain the carbon foam. Carbon foam made ...	12/31/2002
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
5789338	Process for producing carbon foams for energy storage devices A high energy density capacitor incorporating a variety of carbon foam electrodes is described. The foams, derived from the pyrolysis of resorcinol-formaldehyde and related polymers, are high density (0.1 g/cc-1.0 g/cc) electrically conductive and have hi...	08/04/1998
5614460	Microporous carbons for fuel gas storage A method of making a microporous carbon material which includes providing a precursor selected from the group consisting of crystalline salts of aromatic sulfonates and nonporous polymeric salts. Heat treatment of such precursors in the temperature range ...	03/25/1997
5599764	Size selective hydrophobic adsorbent for organic molecules The present invention relates to an adsorbent formed by the pyrolysis of a hydrophobic silica with a pore size greater than 5 Å, such as SILICALITE™, with a molecular sieving polymer precursor such as polyfurfuryl alcohol, polyacrylonitrile, polyvinyli...	02/04/1997
5374608	Compositions containing adducts and surfactants Compositions containing one or more surfactants in combination with sulfuric acid and one or more of certain chalcogen-containing compounds in which the chalcogen compound/H2 SO4 molar ratio is below 2. These compositions contain the...	12/20/1994
5261948	Carbon molecular sieve for the kinetic separation of acid gases and fluorocarbons A method for the preparation of a carbon molecular sieve capable of separating acid gases and fluorocarbons of the formula Ca Hb Xc Fd, wherein a is from 1 to about 6, b is from 0 to about 13, c is from 0 to abo...	11/16/1993
5190901	Method for producing active carbon using carbon-containing material A method and an apparatus for producing an active carbon using a carbon-containing material inclusive of an used active carbon as a raw material wherein the carbon-containing raw material is carbonized in a carbonizing unit to produce a carbonized materia...	03/02/1993
5164355	High capacity coconut shell char for carbon molecular sieves A coconut shell char having a high oxygen volumetric capacity is provided by crushing and sizing coconut shells to form granules which are then heated in flowing inert gas at a temperature ramp rate of about 2° to 12° C. per minute to a peak temperature...	11/17/1992
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
4880765	Process for producing carbon molecular sieves Process for producing carbon molecular sieves for separating oxygen and nitrogen by treating a carbonaceous product with inert gas and steam in a vibrating oven and further treating said product with benzene at a high temperature in a vibrating oven to th...	11/14/1989
4656153	Active carbon containing a dispersion of a metal component and method for making same A high surface area, porous active carbon containing a substantially uniform dispersion of a metal or metal-containing material and a method for making the same are disclosed....	04/07/1987
4552863	Process for the production of activated carbon using wood as a carbon source A process for producing granular activated carbon using wood as a carbon source is described. The process comprises pulverizing wood to produce a wood powder in a fine granular form, drying the wood powder to produce a dry wood powder having a water conte...	11/12/1985
4540678	Carbon molecular sieves and a process for their preparation and use The instant invention is directed to a process for the continuous manufacturing of carbon molecular sieves having average effective pore diameters of from 2 to 15 Angstroms which comprises continuously feeding a charred naturally occurring substrate to a ...	09/10/1985
4526887	Carbon molecular sieves and a process for their preparation and use The instant invention is directed to carbon molecular sieves which are capable of separating gas or liquid mixtures containing components of at least two different molecular diameters, molecular weights or molecular shapes, said molecular sieve having an ...	07/02/1985
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
4490160	Method for enrichment of nitrogen in air by the method of adsorption and a carbonaceous adsorbent suitable therefor The invention provides an improvement in the method for the enrichment of nitrogen in air by the method of selective adsorption of oxygen in air on a carbonaceous adsorbent material. The improvement comprises the use of an adsorbent material prepared in a...	12/25/1984
4274979	Manufacture of activated carbon Activated carbon is made by pre-treating a fibrous cellulose material with a Lewis acid comprising one or more selected halides, drying and softening the treated material, suspending the material from a frame in a tensionless manner, heating the suspended...	06/23/1981
4261832	Membranes with preselected pore types for separation processes A membrane having a preselected pore type which is suited for separating processes comprising a shaped body formed by heating a mixture of finely ground carbonaceous material with a binder composed of about 5 to 20% by weight natural or synthetic elastome...	04/14/1981
4221695	Adsorbent for artificial organs An absorbant for use in artificial organs which is obtained by mixing and dissolving pitch with an aromatic compound and a polymer or copolymer of a chain hydrocarbon, dispersing the resultant mixture in water giving rise to beads and subjecting these bea...	09/09/1980
4124529	Carbonaceous adsorbents and process for making same A carbonaceous adsorbent in the form of a shaped body which has been heated to about 400 to 1400° C in an inert atmosphere is composed essentially of a mixture of finely divided carbonaceous material of a grain size below 50 and up to below 100 microns w...	11/07/1978
4105588	Preparation of copper and silver particles for ethylene purification Process for the purification of olefins by removing oxygen and acetylene from them which comprises passing the olefins over a contact material consisting essentially of a metallic element from the first B group of the period system which element is homoge...	08/08/1978
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
3960768	Production of carbon by eliminating hydrogen halide from polymerized halohydrocarbons Hard abrasion-resistant carbon is obtained from polymerized halohydrocarbons by elimination of hydrogen halide in a two-stage process carried out so that in the first decomposition stage, which is carried out at temperatures within the range from 140° to...	06/01/1976
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 502/420 - Temperature vs. time factor