| |
 |
|
Class Information
Number: 502/82
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Zeolite or clay, including gallium analogs > Clay > Acid treating > Plural acid treatment
Description: Process in which the clay is treated with a second acid or product of such process.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7579299 |
Semi-synthetic bleaching earth |
Aug. 25, 2009 |
| 6660172 |
Precoat filtration media and methods of making and using |
Dec. 9, 2003 |
| 6316647 |
Cation-exchanged clay mineral, packing material for chromatography using the same and method of producing the same |
Nov. 13, 2001 |
| 5958818 |
Alkaline phosphate-activated clay/zeolite catalysts |
Sep. 28, 1999 |
| 5955049 |
Mesopore material and method for producing the same |
Sep. 21, 1999 |
| 5639492 |
Method and composition for achieving animal weight gain with mycotoxin-contaminated animal food |
Jun. 17, 1997 |
| 5330946 |
Process of acid binding fine smectite clay particles into granules |
Jul. 19, 1994 |
| 5260456 |
Process for producing itaconic anhydride |
Nov. 9, 1993 |
| 4753908 |
Method for production of microporous separating material from smectite type mineral |
Jun. 28, 1988 |
| 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 |
| 4329257 |
Method of producing a catalyst from clay minerals for the hydration of olefins |
May. 11, 1982 |
|
|
|
