Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223581 | Polymers for the release of photographically useful groups | Ralph B. Nielsen, David T. Southby, Katherine Root | 1993-06-29 |
| 5198517 | Polymeric scavengers for oxidized developing agents and photographic elements containing the same | Ralph B. Neilsen, Lan B. Thai | 1993-03-30 |
| 5079139 | Silver halide photographic material | Walter Bolger, John D. Mee, Kenneth G. Harbison | 1992-01-07 |