Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690913 | Multilayer bicarbonate/peroxide dentifrice | Donald P. Hsu, Richard J. Crawford, Nagarj S. Dixit, Michael Collins, David Viscio | 1997-11-25 |
| 5599525 | Stabilized dentifrice compositions containing reactive ingredients | Donald P. Hsu, Richard J. Crawford, Nagaraj S. Dixit, Michael Collins, David Viscio | 1997-02-04 |
| 5599527 | Dentifrice compositions having improved anticalculus properties | Donald P. Hsu, Michael Prencipe | 1997-02-04 |