Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629821 | Photovoltaic cell | Alan Fischer | 1986-12-16 |
| 4621156 | Optical filter agents and photographic products and processes containing same | Derek H. R. Barton, Lloyd D. Taylor | 1986-11-04 |
| 4563411 | Copolymeric mordants and photographic products and processes containing same | — | 1986-01-07 |
| 4546062 | Polymeric pH-sensitive optical filter agents and articles including same | Edward P. Lindholm | 1985-10-08 |
| 4503138 | Image-receiving element with unitary image-receiving and decolorizing layer | Edward P. Lindholm, Richard J. Murphy | 1985-03-05 |
| 4468494 | Polymeric pH-sensitive optical filter agents having hydrazone moieties attached thereto | Derek H. R. Barton, Lloyd D. Taylor | 1984-08-28 |
| 4424326 | Copolymeric mordants | Edwin H. Land, Lloyd D. Taylor | 1984-01-03 |
| 4340522 | Process for preparing cationic polymers | Edward P. Lindholm | 1982-07-20 |
| 4322489 | Copolymeric mordants and photographic products and processes utilizing same | Edwin H. Land, Lloyd D. Taylor | 1982-03-30 |
| 4298676 | Optical filter agents and photographic products and processes containing same | Derek H. R. Barton, Lloyd D. Taylor | 1981-11-03 |
| 4294907 | Image-receiving elements | Edward P. Lindholm, Lloyd D. Taylor | 1981-10-13 |
| 4269925 | Polymeric optical filter agents and photographic products and processes containing same | Derek H. R. Barton, Lloyd D. Taylor | 1981-05-26 |