Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536630 | Use of acid processed ossein gelatin and chain-extended acid processed ossein gelatin as peptizers in the preparation of photographic elements | Pranab Bagchi, Melvin D. Sterman | 1996-07-16 |
| 5391468 | Reversal photographic elements containing tabular grain emulsions | Bradley K. Jensen, Carl Kotlarchik, Jr. | 1995-02-21 |
| 5378598 | Use of acid processed ossein gelatin and chain-extened acid processed ossein gelatin as peptizers in the preparation of photographic emulsions | Pranab Bagchi, Melvin D. Sterman | 1995-01-03 |
| 5318889 | Use of chain-extended acid processed ossein gelatin in the preparation of photographic elements | Pranab Bagchi, Melvin D. Sterman | 1994-06-07 |
| 5272048 | Reversal photographic elements containing tabular grain emulsions | Sang H. Kim, Mamie Kam-Ng, Allen K. Tsaur, Richard A. Demauriac, George H. Hawks, III +1 more | 1993-12-21 |
| 5236817 | Tabular grain emulsion containing reversal photographic elements exhibiting improved sharpness in underlying layers | Sang H. Kim, Mamie Kam-Ng, Allen K. Tsaur, Richard A. Demauriac, George H. Hawks, III +1 more | 1993-08-17 |