Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440209 | Composite pigments comprising in-situ precipitated metal carbonate crystals | S. A. Ravishankar, Richard Berube | 2002-08-27 |
| 6378703 | Flotation method for removing colored impurities from kaolin clay | Sharad Mathur, Ronnie E. Brooks | 2002-04-30 |