Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272048 | Reversal photographic elements containing tabular grain emulsions | Sang H. Kim, Mamie Kam-Ng, Allen K. Tsaur, Jacob I. Cohen, Richard A. Demauriac +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, Jacob I. Cohen, Richard A. Demauriac +1 more | 1993-08-17 |
| 4288511 | Photographic elements containing encapsulated polymers coordinated with metal ions | Drewfus Y. Myers, Jr. | 1981-09-08 |
| 4241163 | Photographic elements containing encapsulated polymers coordinated with metal ions | Drewfus Y. Myers, Jr. | 1980-12-23 |