Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900831 | Novel benzofuran dyes | John L. Fox | 1990-02-13 |
| 4876175 | Dye sensitized photographic imaging systems | John L. Fox, Donald P. Specht, Samir Y. Farid | 1989-10-24 |
| 4812393 | Fluorescent dyes and biological and analytical uses thereof | Ramanuj Goswami | 1989-03-14 |
| 4794184 | Novel benzopyrano[6,7,8-i,j]quinolizine-11-one lasing dyes | John L. Fox | 1988-12-27 |
| 4769292 | Electroluminescent device with modified thin film luminescent zone | Ching W. Tang, Ramanuj Goswami | 1988-09-06 |
| 4736032 | Benzopyrano[6,7,8-i,j]quinolizine-11-one lasing dyes and intermediates for their preparation | John L. Fox | 1988-04-05 |
| 4727144 | Certain intracyclic or extracyclic phosphorous containing coumarins useful as laser dyes | John L. Fox | 1988-02-23 |
| 4552825 | Phosphorous diketonate electron accepting ring compounds as sensitizers for electron donating photoconductive compositions | Thomas E. Goliber, Jerome H. Perlstein, George A. Reynolds | 1985-11-12 |
| 4514481 | 4H-Thiopyran-1,1-dioxide and electrophotographic layers and elements comprising same | Michael Scozzafava, George A. Reynolds, Jerome H. Perlstein | 1985-04-30 |
| 4496730 | Phosphorous diketonate electron accepting ring compounds as sensitizers for electron donating photoconductive compositions | Thomas E. Goliber, Jerome H. Perlstein, George A. Reynolds | 1985-01-29 |
| 4442193 | Photoconductive compositions and elements containing naphthalene bis-dicarboximide compounds | Ralph H. Young, Michael Scozzafava | 1984-04-10 |
| 4410618 | Blocked photographic reagents | James VANMETER | 1983-10-18 |
| 4263393 | Novel electron donor precursors and photographic element containing them | — | 1981-04-21 |