Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683680 | Dentifrice compositions containing reactive ingredients stabilized with alkali metal compounds | John Santalucia, Richard J. Crawford, David Viscio, Michael Collins | 1997-11-04 |
| 5661221 | Process for the preparation of cross-linked maleic anhydride copolymers | Mahmoud Hassan, Marcus Bentley, David Viscio | 1997-08-26 |
| 5599525 | Stabilized dentifrice compositions containing reactive ingredients | Donald P. Hsu, Rajnish Kohli, Richard J. Crawford, Michael Collins, David Viscio | 1997-02-04 |