Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283163 | Photographic material and process employing a development inhibitor releasing compound containing a fluorinated carbon alpha to an amide group | David T. Southby, Wojciech K. Slusarek, David A. Steele, Teh-Hsuan Chen | 1994-02-01 |
| 5118594 | Photographic elements containing removable couplers | Jon D. Bass, John W. Harder, Stephen P. Singer | 1992-06-02 |
| 5051343 | Photographic elements containing removable couplers | Jon D. Bass, John W. Harder, Stephen P. Singer | 1991-09-24 |
| T105702 | Nondiffusible photographic couplers and photographic elements and processes employing same | — | 1985-08-06 |
| 4443536 | Nondiffusible photographic couplers and photographic elements and processes employing same | — | 1984-04-17 |
| 4234672 | Shifted photographic dyes and compositions, elements and processes employing them | John A. Ford | 1980-11-18 |
| T999003 | Shifted photographic dyes and compositions, elements and processes employing them | John A. Ford | 1980-10-07 |