Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685899 | Process for conditioning kaolin clays prior to removing impurities | Joseph Allen Norris | 1997-11-11 |
| 5593490 | Kaolin clay slurries having reduced viscosities and process for the manufacture thereof | Owen E. Etheridge, Jr., Robert A. Lowe | 1997-01-14 |