Issued Patents 1994
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362880 | Method of preparing a magenta development inhibitor releasing coupler | — | 1994-11-08 |
| 5358828 | Photographic element and process comprising a bleach accelerator releasing compound | Stephen P. Singer, David T. Southby, Donald Singleton, Jr. | 1994-10-25 |
| 5352570 | Method and photographic material and process comprising a benzotriazole compound | — | 1994-10-04 |
| 5334490 | Magenta development inhibitor releasing coupler | Teh-Hsuan Chen, David S. Bailey | 1994-08-02 |
| 5318879 | Photographic element comprising a bleach accelerator releasing compound | Stephen P. Singer, David T. Southby, Donald Singleton, Jr. | 1994-06-07 |
| 5306607 | Photographic material and process comprising a pyrazolotriazole moiety | Teh-Hsuan Chen, Frank D. Coms, Donald Singleton, Jr. | 1994-04-26 |
| 5300406 | Photographic element comprising a combination of a development inhibiting releasing coupler and a bleach accelerator releasing compound | Stephen P. Singer, David T. Southby, Donald, Jr. Singleton | 1994-04-05 |
| 5288593 | Photographic material and process comprising a coupler capable of forming a wash-out dye (Q/Q) | Drake M. Michno, Hans G. Ling, Teh-Hsuan Chen | 1994-02-22 |
| 5286859 | Method of forming a photographic washout coupler (BARC) using a strong base | Donald Singleton, Jr. | 1994-02-15 |
| 5286613 | Photographic material comprising a combination of couplers forming washout and non-washout dyes | Hans G. Ling, Drake M. Michno | 1994-02-15 |
| 5283340 | Photographic material and process comprising wash-out naphtholic coupler | Teh-Hsuan Chen, Hans G. Ling, John W. Harder, Arlyce T. Bowne | 1994-02-01 |
| 5279929 | Photographic material and process comprising a coupler capable of forming a wash-out dye (C/C) | Drake M. Michno, Hans G. Ling, Teh-Hsuan Chen | 1994-01-18 |