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Class Information
Number: 502/81
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Zeolite or clay, including gallium analogs > Clay > Acid treating
Description: Process in which the clay is contacted with an acid or the product of such process.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5399538 |
Porous sepiolite, process for producing same and adsorptive decomposition catalyst compostion utilizing such porous sepiolite |
Mar. 21, 1995 |
| 5366948 |
Catalyst and catalytic conversion therewith |
Nov. 22, 1994 |
| 5330946 |
Process of acid binding fine smectite clay particles into granules |
Jul. 19, 1994 |
| 5308812 |
Treated pillared clays and alkylation process using same |
May. 3, 1994 |
| 5260456 |
Process for producing itaconic anhydride |
Nov. 9, 1993 |
| 5220086 |
Catalytic processes in the presence of zeolites of increased internal acid activity and decreased external acid activity |
Jun. 15, 1993 |
| 5210283 |
Synthesis of tetrahydrofuran polymers using calcined silica-alumina or beaching earth catalysts |
May. 11, 1993 |
| 5208195 |
Process for the preparation of a catalyst for the hydration of olefins to give alcohols |
May. 4, 1993 |
| 5190902 |
Method for producing attrition-resistant catalyst binders |
Mar. 2, 1993 |
| 5173463 |
Kaolin containing fluid cracking catalyst |
Dec. 22, 1992 |
| 5146026 |
Alkylation of aromatic hydrocarbons in fixed bed catalytic process |
Sep. 8, 1992 |
| 5137707 |
Removal of organic from pillared layered materials by acid treatment |
Aug. 11, 1992 |
| 5107027 |
Tert-butylamine synthesis over montmorillonite clays |
Apr. 21, 1992 |
| 5081086 |
Solid phosphoric acid catalyst |
Jan. 14, 1992 |
| 5013709 |
Pressure-sensitive recording paper and color developer therefor |
May. 7, 1991 |
| 5008227 |
Process for making acid activated bleaching earth using high susceptibility source clay and novel bleaching earth product |
Apr. 16, 1991 |
| 5008226 |
Process for making acid activated bleaching earth using high susceptibility source clay and novel bleaching earth product |
Apr. 16, 1991 |
| 5004846 |
Process for producing nitrobenzenes |
Apr. 2, 1991 |
| 4954621 |
Process for producing sucrose fatty acid polyester |
Sep. 4, 1990 |
| 4946815 |
Solid phosphoric acid catalyst |
Aug. 7, 1990 |
| 4939301 |
Production of ethanolamine by amination of ethylene oxide over acid activated clays |
Jul. 3, 1990 |
| 4923753 |
Controlled-release compositions for acids |
May. 8, 1990 |
| 4843052 |
Acid-reacted metakaolin catalyst and catalyst support compositions |
Jun. 27, 1989 |
| 4808559 |
Method of manufacturing a catalyst for hydration of olefins to alcohols |
Feb. 28, 1989 |
| 4774213 |
Ferruginous catalyst for decreasing the content of nitrogen oxides in flue gases |
Sep. 27, 1988 |
| 4738690 |
Method of removing entrained particles from flue gas and composition of matter |
Apr. 19, 1988 |
| 4722918 |
Catalyst for decreasing the content of nitrogen oxides in flue gases |
Feb. 2, 1988 |
| 4720476 |
Catalyst for decreasing the content of nitrogen oxides in flue gases |
Jan. 19, 1988 |
| 4717699 |
Process for acid treating clay for improved filtration |
Jan. 5, 1988 |
| 4692425 |
Catalyst for reducing the nitrogen oxide content of flue gases |
Sep. 8, 1987 |
| 4568657 |
Catalyst formed of natural clay for use in the hydrodemetallization and hydroconversion of heavy crudes and residues and method of preparation of same |
Feb. 4, 1986 |
| 4565794 |
Production of silica gel and an adsorbent, absorbent product from sericitic clay |
Jan. 21, 1986 |
| 4531014 |
Process for the conversion of a C.sub.2 to C.sub.10 aliphatic linear olefin to a product comprising hydrocarbons of higher carbon number |
Jul. 23, 1985 |
| 4329257 |
Method of producing a catalyst from clay minerals for the hydration of olefins |
May. 11, 1982 |
| 4299730 |
Process for the production of a catalyst for the hydration of olefins into alcohols |
Nov. 10, 1981 |
| 4271043 |
Pillared interlayered clay products |
Jun. 2, 1981 |
| 4255276 |
Silicatic complexing agent for alkaline earth ions and method of preparing same |
Mar. 10, 1981 |
| 4199477 |
Method for application of porous wash coats to low porosity refractory catalytic monoliths and the resulting support |
Apr. 22, 1980 |
| 4130506 |
Metal powders |
Dec. 19, 1978 |
| 4094919 |
Hydrocarbon conversion processes and catalysts |
Jun. 13, 1978 |
| 3957527 |
Color developing substrates for manifold copy systems and process for producing the same |
May. 18, 1976 |
| 3958058 |
Ultra-low expansion ceramic articles |
May. 18, 1976 |
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