Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825251 | Organo-acid phosphate treated pigments | Robert J. Kostelnik | 2004-11-30 |
| 6765041 | Organo-acid phosphate treated pigments | Robert J. Kostelnik | 2004-07-20 |
| 6713543 | Pigments treated with organo-phosphoric acids and their salts | Robert J. Kostelnik | 2004-03-30 |