Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354650 | Photographic elements containing release compounds | David T. Southby, Daniel L. Kapp, Louis E. Friedrich, Zbyslaw R. Owczarczyk, Xiqiang Yang | 1994-10-11 |
| 5283163 | Photographic material and process employing a development inhibitor releasing compound containing a fluorinated carbon alpha to an amide group | Gregory J. Lestina, David T. Southby, David A. Steele, Teh-Hsuan Chen | 1994-02-01 |
| 5283162 | Photographic elements containing sulfite releasable release compounds | Daniel L. Kapp, David T. Southby | 1994-02-01 |
| 5262291 | Photographic elements containing release compounds | Daniel L. Kapp | 1993-11-16 |
| 5055385 | Photographic elements containing release compounds-II | John M. Buchanan, Philip T. S. Lau | 1991-10-08 |
| 5034311 | Photographic elements containing release compounds I | John M. Buchanan, Philip T. S. Lau, David T. Southby | 1991-07-23 |
| 5026628 | Photographic material and process comprising a compound capable of forming a wash-out dye | William J. Begley, Teh-Hsuan Chen, Kenneth N. Kilminster, Jerrold N. Poslusny | 1991-06-25 |
| 4962018 | Photographic materials containing DIR compounds and process of imaging | Richard P. Szajewski, Jerrold N. Poslusny | 1990-10-09 |
| 4620002 | 2-pyrimidyl alkanesulfonates | Louise O. Sandefur, Burton D. Wilson, Cataldo A. Maggiulli | 1986-10-28 |
| 4620006 | Acid salts of 1-(cyanoalkyl)-4-guanylpiperazines | Louise O. Sandefur, Burton D. Wilson, Cataldo A. Maggiulli | 1986-10-28 |
| 4515947 | Cyanoalkylpiperazines and methods for their preparation and use | Louise O. Sandefur, Burton D. Wilson, Cataldo A. Maggiulli | 1985-05-07 |