Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674432 | Photochromic naphthopyran compounds | Barry Van Gemert | 1997-10-07 |
| 5658500 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-08-19 |
| 5658501 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-08-19 |
| 5656206 | Substituted naphthopyrans | Barry Van Gemert, Anil Kumar | 1997-08-12 |
| 5651923 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-07-29 |
| 5650098 | Substituted naphthopyrans | Anil Kumar, Barry Van Gemert | 1997-07-22 |