Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677118 | Photographic element containing a recrystallizable 5-pyrazolone photographic coupler | Paul P. Spara, Sundaram Krishnamurthy, Stanley W. Cowan | 1997-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677118 | Photographic element containing a recrystallizable 5-pyrazolone photographic coupler | Paul P. Spara, Sundaram Krishnamurthy, Stanley W. Cowan | 1997-10-14 |