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Class Information
Number: 502/217
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Sulfur or compound containing same > Sulfate
Description: Composition in which the sulfur is combined with four oxygen atoms to form a divalent ion.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5004718 |
Process for calcining a denitrating catalyst |
Apr. 2, 1991 |
| 4992252 |
Method for production of hydroxylammonium salt |
Feb. 12, 1991 |
| 4952548 |
Catalyst for removing nitrogen oxides |
Aug. 28, 1990 |
| 4929586 |
Catalysts for selective catalytic reduction DeNOx technology |
May. 29, 1990 |
| 4921826 |
Process for producing an active carbon catalyst |
May. 1, 1990 |
| 4918036 |
Cracking catalyst/sulfur oxide gettering agent compositions |
Apr. 17, 1990 |
| 4918041 |
Catalyst for hydrocarbon conversion and conversion process utilizing the same |
Apr. 17, 1990 |
| 4914073 |
Process for the manufacture of catalytic elements and catalytic elements so produced |
Apr. 3, 1990 |
| 4912082 |
Catalyst for carbon monoxide oxidation |
Mar. 27, 1990 |
| 4895821 |
Process for the manufacture of catalytic elements and catalytic elements so produced |
Jan. 23, 1990 |
| 4891348 |
Catalyst for removing nitrogen oxides in exhaust gases |
Jan. 2, 1990 |
| 4853357 |
Olefin oxidation catalyst system |
Aug. 1, 1989 |
| 4831004 |
Impregnated alumina-containing material |
May. 16, 1989 |
| 4820676 |
Treated alumina material for fixed hydrofining beds and process for its preparation |
Apr. 11, 1989 |
| 4798817 |
Selective catalytic reduction catalyst consisting of iron sulfate, ceria and alumina |
Jan. 17, 1989 |
| 4780445 |
Selective catalytic reduction catalyst consisting essentially of nickel and/or manganese sulfate, ceria and alumina |
Oct. 25, 1988 |
| 4778588 |
Hydrotreating process employing an impregnated alumina containing material |
Oct. 18, 1988 |
| 4771026 |
Catalyst in the form of a plate for nitrogen oxide reduction in exhaust gases |
Sep. 13, 1988 |
| 4766103 |
Preparation of 1,4-dichlorobenzene |
Aug. 23, 1988 |
| 4758545 |
Process for the manufacture of catalyst moldings from granular catalyst material such as iron ore or chromium ore with the use of a binder |
Jul. 19, 1988 |
| 4751212 |
Process for the manufacture of a catalyst for the reduction of nitrogen oxides in exhaust gases |
Jun. 14, 1988 |
| 4746483 |
Process for the manufacture of catalyst molding |
May. 24, 1988 |
| 4727201 |
Preparation of 1,4-dichlorobenzene |
Feb. 23, 1988 |
| 4721816 |
Preparation of nonionic surfactants |
Jan. 26, 1988 |
| 4720474 |
Olefin oxidation catalyst system |
Jan. 19, 1988 |
| 4695559 |
Catalyst for the selective reduction of nitrogen oxides in waste gases and process for the manufacture of such a catalyst |
Sep. 22, 1987 |
| 4695438 |
Selective catalytic reduction catalysts |
Sep. 22, 1987 |
| 4695437 |
Selective catalytic reduction catalysts |
Sep. 22, 1987 |
| 4666632 |
Process for the preparation of anthraquinone |
May. 19, 1987 |
| 4659687 |
Hydrogenation catalysts and process of making said catalyst |
Apr. 21, 1987 |
| 4629716 |
Process for producing narrow-pore catalyst supports |
Dec. 16, 1986 |
| 4594335 |
Transition metal aluminates |
Jun. 10, 1986 |
| 4546093 |
Preparation of catalyst system for the synthesis of 2-6-xylenol |
Oct. 8, 1985 |
| 4537867 |
Promoted iron-cobalt spinel catalyst for Fischer-Tropsch processes |
Aug. 27, 1985 |
| 4521529 |
Catalyst for cracking kerosene |
Jun. 4, 1985 |
| 4518707 |
Process for preparing high surface area iron/cobalt Fischer-Tropsch slurry catalysts |
May. 21, 1985 |
| 4507494 |
Process for the production of a diester of oxalic acid |
Mar. 26, 1985 |
| 4485189 |
Catalyst for the desulfurization of industrial waste gases and process for its preparation |
Nov. 27, 1984 |
| 4482635 |
Composition, indicator, process and device for detecting carbon monoxide |
Nov. 13, 1984 |
| 4466947 |
Denitration catalyst and denitrating method |
Aug. 21, 1984 |
| 4465788 |
Olefin oligomerization with an activated catalyst |
Aug. 14, 1984 |
| 4427576 |
Catalyst for oxidation of hydrogen sulfide and/or organosulfur compounds to SO.sub.2 and process for preparing the catalyst |
Jan. 24, 1984 |
| 4422958 |
Catalyst for desulfurization of industrial waste gases and process for preparing the catalyst |
Dec. 27, 1983 |
| 4418005 |
Pressure activation of magnesium oxide catalysts |
Nov. 29, 1983 |
| 4418004 |
Catalysts for gaseous phase fluorination of aliphatic chlorinated and chlorofluorinated derivatives |
Nov. 29, 1983 |
| 4406821 |
Etherification catalyst |
Sep. 27, 1983 |
| 4399058 |
Impregnating solution for hydrogenation catalyst manufacture and production thereof |
Aug. 16, 1983 |
| 4362651 |
High porosity catalysts |
Dec. 7, 1982 |
| 4359408 |
Activated magnesium oxide catalysts |
Nov. 16, 1982 |
| 4358398 |
Hydrodesulfurization and hydrodenitrogenation catalysts obtained from coal mineral matter |
Nov. 9, 1982 |
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