Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451486 | Photographic contrast promoting agents | John F. Pilot, Syeda Husain, Penny M. Mullen | 1995-09-19 |
| 5330875 | Process for producing negative and positive original images on a bilevel printing plate utilizing non-silver halide layer and silver halide overlayer | Michael W. Adelman, Robert W. Hallman, Suck-Ju Hong, Ken-ichi Shimazu | 1994-07-19 |
| 4882261 | High contrast dot enhancing compositions and photographic products and methods for their use | Yasuhiko Kojima, John F. Pilot | 1989-11-21 |
| 4567035 | Low molecular weight hair spray | I. Sioun Lin | 1986-01-28 |
| 4189319 | Arginine or salt thereof as a development accelerator of color development of color photographic materials | — | 1980-02-19 |