Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620838 | Photographic elements containing directly dispersible UV absorbing polymers and method of making such elements and polymers | Tienteh Chen, Hwei-Ling Yau | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620838 | Photographic elements containing directly dispersible UV absorbing polymers and method of making such elements and polymers | Tienteh Chen, Hwei-Ling Yau | 1997-04-15 |