Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462848 | Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods | Stephen P. Singer | 1995-10-31 |
| 5460930 | Photographic elements containing indoaniline dummy dyes | Jerrold N. Poslusny, Robert J. Ross | 1995-10-24 |
| 5455150 | Color photographic negative elements with enhanced printer compatibility | Jared B. Mooberry, Stephen P. Singer | 1995-10-03 |
| 5451496 | Color photographic materials and methods containing DIR or DIAR couplers and phenolic coupler solvents | Melvin M. Kestner, Paul L. Zengerle | 1995-09-19 |
| 5451493 | Photographic element containing a certain sulfonated acylacetanilide coupler in combination with a development inhibitor releasing coupler | Jerrold N. Poslusny, James P. Merrill, Bernard A. Clark, Paul L. Stanley, Hugh M. Williamson | 1995-09-19 |
| 5451492 | Photographic elements containing certain acylacetanilide couplers in combination with development inhibitor releasing couplers | Jerrold N. Poslusny, James P. Merrill, Bernard A. Clark, Paul L. Stanley | 1995-09-19 |
| 5447830 | 3-anilino pyrazolone magenta couplers and process | John L. Pawlak, David S. Bailey, William R. Schleigh, Charles E. Romano, Jr., Sundaram Krishnamurthy | 1995-09-05 |
| 5441856 | Photographic elements containing indoaniline dummy dyes | David Hoke | 1995-08-15 |
| 5441851 | Use of heterocyclic nitrogen addenda to reduce continued coupling of magenta dye-forming couplers | Stephen P. Singer | 1995-08-15 |
| 5429913 | Photographic coupler compositions containing ballasted alcohols and methods | Edward Schofield | 1995-07-04 |
| 5411841 | Photographic elements containing magenta couplers and process for using same | Stephen P. Singer, Bernard A. Clark, Paul L. Stanley | 1995-05-02 |
| 5378593 | Color photographic materials and methods containing DIR or DIAR couplers and carbonamide coupler solvents | Melvin M. Kestner, Paul L. Zengerle | 1995-01-03 |
| 5376519 | Photographic material containing a coupler composition comprising magenta coupler, phenolic solvent, and at least one aniline or amine | Stephen P. Singer | 1994-12-27 |
| 5350667 | Photographic elements containing magenta couplers and process for using same | Stephen P. Singer, Bernard A. Clark, Paul L. Stanley | 1994-09-27 |
| 5298368 | Photographic coupler compositions and methods for reducing continued coupling | Edward Schofield, Stephen P. Singer | 1994-03-29 |
| 5256528 | Magenta image-dye couplers of improved hue | Stephen P. Singer, Bernard A. Clark, Paul L. Stanley | 1993-10-26 |
| 5250405 | Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods | Stephen P. Singer | 1993-10-05 |
| 5232821 | Photographic coupler compositions containing ballasted sulfoxides and sulfones and methods | Edward Schofield | 1993-08-03 |
| 5200309 | Color photographic materials including magenta coupler, carbonamide compound and aniline or amine compound, and methods | Stephen P. Singer | 1993-04-06 |
| 5192646 | Photographic elements having sulfoxide coupler solvents and addenda to reduce sensitizing dye stain | Edward Schofield, Tienteh Chen | 1993-03-09 |
| 5188926 | Photographic elements having carbonamide coupler solvents and addenda to reduce sensitizing dye stain | Edward Schofield, Tienteh Chen | 1993-02-23 |
| 5047350 | Material and method for oxygen sensing | Steven C. Switalski, Hsue-Yang Liu, Bradley K. Coltrain | 1991-09-10 |
| 5008180 | Photographic recording material containing a cyan dye-forming coupler | David Hoke | 1991-04-16 |
| 4973535 | Photographic recording material comprising a dye image-forming coupler compound | David J. Giacherio | 1990-11-27 |
| 4935321 | Photographic recording material comprising a dye image-forming compound | — | 1990-06-19 |