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Class Information
Number: 502/432
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Solid sorbent > Free carbon containing > Process utilizing solid or liquid source carbonizable material, or product thereof > Treating with gas > Specified atmosphere
Description: Process in which the composition of the gas is recited.

Sub-classes under this class:

Class Number Class Name Patents
502/435 Exposure to hot flue or exhaust gas 25
502/433 Including free oxygen 37

Patents under this class:
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Patent Number Title Of Patent Date Issued
5482915 Transition metal salt impregnated carbon Jan. 9, 1996
5461023 Storage of natural gas Oct. 24, 1995
5447624 Packings for liquid chromatography and process for producing the same Sep. 5, 1995
5438029 Activated carbon and production thereof Aug. 1, 1995
5287383 Method and apparatus for producing active carbon using carbon-containing material Feb. 15, 1994
5272126 Adsorption type packing for gas chromatography and process for producing the same Dec. 21, 1993
5270279 Production process of formed activated coke for SOx and NOx removal having high NOx-removing ability Dec. 14, 1993
5254521 Leonardite char adsorbents Oct. 19, 1993
5248651 Process for the production of carbon molecular sieves Sep. 28, 1993
5238888 Carbon molecular sieve Aug. 24, 1993
5190901 Method for producing active carbon using carbon-containing material Mar. 2, 1993
5187141 Process for the manufacture of activated carbon from coal by mild gasification and hydrogenation Feb. 16, 1993
5179058 Process for manufacturing a carbonaceous catalyst for the reduction of nitrogen oxides in exhaust gases Jan. 12, 1993
5173921 Apparatus and process for activation of carbon by electrical resistance heating in the presence of steam Dec. 22, 1992
5171774 PTC compositions Dec. 15, 1992
5166123 Carbonaceous adsorbent for removal of pyrogen from water Nov. 24, 1992
5164355 High capacity coconut shell char for carbon molecular sieves Nov. 17, 1992
5098880 Modified carbon molecular sieves for gas separation Mar. 24, 1992
5089457 Process for activation of carbon by electrical resistance heating in the presence of steam Feb. 18, 1992
5086033 Use of helium and argon diluent gases in modification of carbon molecular sieves Feb. 4, 1992
5071450 Modified carbon molecular sieve adsorbents Dec. 10, 1991
5064801 Process for manufacturing a carbon catalyst Nov. 12, 1991
5059578 Process for the production of molecular sieving carbon Oct. 22, 1991
5021391 Carbonaceous adsorbent for removal of pyrogen and method of producing pure water using same Jun. 4, 1991
4978649 Porous carbonaceous material Dec. 18, 1990
4978650 Desensitizing activated carbon sorbents to the effects of humidity Dec. 18, 1990
4957897 Carbonaceous adsorbents from pyrolyzed polysulfonated polymers Sep. 18, 1990
4954469 Granulated activated carbon for water treatment Sep. 4, 1990
4933314 Molecular sieving carbon Jun. 12, 1990
4916001 Unitized catalyst panel Apr. 10, 1990
4880765 Process for producing carbon molecular sieves Nov. 14, 1989
4742040 Process for manufacturing a carbon molecular sieve May. 3, 1988
4617035 Gas adsorbent and process for producing same Oct. 14, 1986
4616001 Activated carbon Oct. 7, 1986
4552863 Process for the production of activated carbon using wood as a carbon source Nov. 12, 1985
4540678 Carbon molecular sieves and a process for their preparation and use Sep. 10, 1985
4529717 Partially calcined carbonaceous material as a reductant Jul. 16, 1985
4471072 Preparation of carbonaceous pyropolymers Sep. 11, 1984
4329260 Integral shaped replication supports May. 11, 1982
4292285 Method for removing compounds with offensive odor from a gas containing the same Sep. 29, 1981
4259304 Activation of coal Mar. 31, 1981
4219537 Desulfurization and low temperature regeneration of carbonaceous adsorbent Aug. 26, 1980
4154704 Activated reticulated or unreticulated carbon structures May. 15, 1979
4124529 Carbonaceous adsorbents and process for making same Nov. 7, 1978
4082661 Activated carbon and preparation thereof Apr. 4, 1978
T965002 Steam treatment of vulcanized-scrap-rubber pyrolysis char Dec. 6, 1977
4050900 Incineration apparatus Sep. 27, 1977
4038100 Char composition and a method for making a char composition Jul. 26, 1977
4025689 Method for manufacture of graphitized hollow spheres and hollow spheres manufactured thereby May. 24, 1977
3994829 Process for production of activated carbon Nov. 30, 1976

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