Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348592 | Method of making dihydroperimidine squaraine compounds | William D. Ramsden, Lori S. Bernard | 2002-02-19 |
| 5675015 | Process for the preparation of benzotriazole derivatives | Lal C. Vishwakarma, Victor LaVonne Mylroie, Barry F. Briffa | 1997-10-07 |
| 5041605 | Method of synthesizing phenolic cyan-dye-forming photographic couplers | James J. Huson | 1991-08-20 |