| |
 |
|
Class Information
Number: 502/83
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Zeolite or clay, including gallium analogs > Clay > Acid treating > Sulfuric or hydrochloric acid
Description: Process in which the treatment is effected by either hydrochloric or sulfuric acid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6762144 |
Processes for producing a blended bleaching clay product and blended bleaching clay products produced by those processes |
Jul. 13, 2004 |
| 6602816 |
Activated clay particles having similar shapes, method for production thereof and use thereof |
Aug. 5, 2003 |
| 6569798 |
Processes for producing a blended bleaching clay product and blended bleaching clay products produced by those processes |
May. 27, 2003 |
| 6531552 |
Olefin polymerization catalyst and method for polymerizing olefin using the same |
Mar. 11, 2003 |
| 6379436 |
Macroporaus aluminosilicate desiccant, preparation from sodalite and use in enthalpy energy wheels |
Apr. 30, 2002 |
| 6365536 |
Method of making bleaching clay |
Apr. 2, 2002 |
| 6359108 |
Method for polymerizing cyclic ether |
Mar. 19, 2002 |
| 6315816 |
Adsorbents, method for the preparation and method for the separation of unsaturated hydrocarbons for gas mixtures |
Nov. 13, 2001 |
| 6235859 |
Production process for polyvinyl ether and catalyst used for the process |
May. 22, 2001 |
| 6093669 |
Method for selecting raw material for bleaching clay |
Jul. 25, 2000 |
| 5955049 |
Mesopore material and method for producing the same |
Sep. 21, 1999 |
| 5883035 |
Mesoporous silicoaluminate products and production thereof by controlled acid extraction of aluminum from calcium bentonite clay |
Mar. 16, 1999 |
| 5869415 |
Process for activating layered silicates |
Feb. 9, 1999 |
| 5866744 |
Process for converting a c.sub.9 + hydrocarbon to a C.sub.6 to C.sub.8 aromatic using a steamed, acid-leached, impregnated zeolite |
Feb. 2, 1999 |
| 5783511 |
Process for selecting raw material and making a bleaching clay |
Jul. 21, 1998 |
| 5756415 |
Method of making a enzyme immobilizing carrier |
May. 26, 1998 |
| 5639492 |
Method and composition for achieving animal weight gain with mycotoxin-contaminated animal food |
Jun. 17, 1997 |
| 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 |
| 5173463 |
Kaolin containing fluid cracking catalyst |
Dec. 22, 1992 |
| 5082815 |
Kaolin containing fluid cracking catalyst |
Jan. 21, 1992 |
| 5008226 |
Process for making acid activated bleaching earth using high susceptibility source clay and novel bleaching earth product |
Apr. 16, 1991 |
| 5008227 |
Process for making acid activated bleaching earth using high susceptibility source clay and novel bleaching earth product |
Apr. 16, 1991 |
| 4919818 |
Process for extruding and treating clay for improved filtration |
Apr. 24, 1990 |
| 4847226 |
Process for extruding and acid treating clay for improved filtration |
Jul. 11, 1989 |
| 4738690 |
Method of removing entrained particles from flue gas and composition of matter |
Apr. 19, 1988 |
| 4717699 |
Process for acid treating clay for improved filtration |
Jan. 5, 1988 |
| 4656150 |
Treatment of sericitic clays to produce an adsorbent, absorbent product |
Apr. 7, 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 |
| 4529416 |
Gas separation kinetics in commercial pellets |
Jul. 16, 1985 |
| 4520222 |
Polymerization catalyst and deodorizing agent and process of use |
May. 28, 1985 |
| 4511752 |
Process for the hydroisomerization of paraffins |
Apr. 16, 1985 |
| 4493762 |
Method for reducing the nitrogen content of shale oil with spent oil shale and sulfuric acid |
Jan. 15, 1985 |
| 4468476 |
Color precursor removal from detergent alkyl benzenes |
Aug. 28, 1984 |
| 4329257 |
Method of producing a catalyst from clay minerals for the hydration of olefins |
May. 11, 1982 |
| 4235751 |
Modified montmorillonite clay catalyst |
Nov. 25, 1980 |
| 4147521 |
Acid washed montmorillonite clays for improving electrostatic precipitation of dust particles |
Apr. 3, 1979 |
| 3958058 |
Ultra-low expansion ceramic articles |
May. 18, 1976 |
|
|
|
