Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847383 | Photographic reagent tetrazoles | Roger A. Boggs, Anthony J. Puttick, Nancy M. Sofen | 1989-07-11 |
| 4713313 | Photographic system and novel compounds | Anthony J. Puttick, Lloyd D. Taylor | 1987-12-15 |
| 4526965 | Uracil derivatives of thio- and selenourea compounds | Anthony J. Puttick | 1985-07-02 |
| 4503139 | Photographic products and processes and novel compounds | Roger A. Boggs, Anthony J. Puttick, Nancy M. Sofen | 1985-03-05 |
| 4442290 | Development restrainer release compounds | Anthony J. Puttick | 1984-04-10 |
| 4371603 | Amino hydroxy cyclohexenone developing agents | Eva R. Karger | 1983-02-01 |
| 4365085 | Bicyclic reductone developing agents | Eva R. Karger | 1982-12-21 |
| 4350754 | Blocked development restrainers | Anthony J. Puttick | 1982-09-21 |
| 4304934 | Synthesis of amino hydroxy cyclopentenones | Eva R. Karger, Jean B. Rogers | 1981-12-08 |