Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674670 | 2-hydroxyphenyl benzotriazole based UV absorbing polymers with particular substituents and photographic elements containing them | Lal C. Vishwakarma, Tienteh Chen | 1997-10-07 |
| 5620838 | Photographic elements containing directly dispersible UV absorbing polymers and method of making such elements and polymers | Tienteh Chen, Edward Schofield | 1997-04-15 |
| 5610000 | 2'-hydroxyphenyl benzotriazole based UV absorbing polymers and photographic elements containing them | Lal C. Vishwakarma, Tienteh Chen | 1997-03-11 |
| 5594047 | Method for forming photographic dispersions comprising loaded latex polymers | Ralph B. Nielsen, Thomas A. Rosiek, David Francis Bates, James S. Honan | 1997-01-14 |