Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186335 | Process for beneficiating kaolin clays | Robert A. Lowe, Chris B. Maxwell, Prakash B. Malla, Amy C. Semratedu, Cesar I. Basilio | 2001-02-13 |
| 5810998 | Process for improving the brightness of fine-grained kaolin clays | Chris B. Maxwell, Prakash B. Malla, Amy C. Semratedu | 1998-09-22 |
| 5584924 | Opacifying kaolin clay pigments having improved rheology and process for the manufacture thereof | Prakash B. Malla | 1996-12-17 |