Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547451 | Hydrolyzable diffusion control layers in photographic products | Stanley J. Jasne, William C. Schwarzel, Lloyd D. Taylor | 1985-10-15 |
| 4426481 | Polymeric matrix containing .beta.-eliminating polymer and process for preparing same | — | 1984-01-17 |
| 4297431 | Diffusion control layers in diffusion transfer photographic products | — | 1981-10-27 |
| 4232099 | Novel battery assembly | — | 1980-11-04 |
| 4201587 | Graft copolymers as diffusion control layers in photographic diffusion transfer products | Stanley F. Bedell, Lloyd D. Taylor | 1980-05-06 |