Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130032 | Photographic elements containing improved yellow dye-forming couplers | Ping-Wah Tang, Daniel E. Corcoran | 2000-10-10 |
| 6083677 | Photographic element containing yellow dye-forming photographic coupler | Thomas R. Welter | 2000-07-04 |
| 6057087 | Photographic element containing yellow coupler | Thomas R. Welter | 2000-05-02 |
| 6015658 | Photographic element comprising yellow dye-forming photographic coupler | Thomas R. Welter | 2000-01-18 |
| 5981158 | Photographic element containing a DIR coupler | Paul B. Merkel, Jerrold N. Poslusny, Bernard A. Clark, Robert Gourley | 1999-11-09 |
| 5773208 | Latent image keeping improvement with a hexose reductone and green sensitized epitaxially-finished tabular grain emulsions | Jeffrey L. Hall | 1998-06-30 |
| 5763146 | Photographic materials containing water soluble amino hexose reductones | Steven P. Szatynski, Jeffrey L. Hall, Norma B. Platt | 1998-06-09 |
| 4804338 | Backshell assembly and method | Gary L. Dibble, Susan L. Stene | 1989-02-14 |
| 4340489 | Wastewater treatment process with pH adjustment | V. Dean Adams | 1982-07-20 |
| 4304673 | Wastewater treatment process | V. Dean Adams | 1981-12-08 |