Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332564 | Process for production of rhombic shaped precipitated calcium carbonate | Mohan N. Badgujar | 1994-07-26 |
| 5164006 | Method for preparing acid resistant calcium carbonate pigments | Vicente Lasmarias, Vijay Mathur | 1992-11-17 |