Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632632 | Color photographic materials with magenta minimum density dyes | Paul L. Zengerle, John W. Harder, James H. Reynolds, Steven P. Szatynski | 2009-12-15 |
| 7629112 | Color photographic materials with yellow minimum density colorants | Paul L. Zengerle, James H. Reynolds, Steven P. Szatynski, John W. Harder | 2009-12-08 |
| 6811963 | Color photographic material with improved sensitivity | Sharon Johnston, Stephen P. Singer, James A. Friday, David Foster | 2004-11-02 |
| 6699652 | Color photographic material with improved sensitivity comprising a pyrazolotriazole coupler | Sharon Johnston, Stephen P. Singer, James A. Friday, David Foster | 2004-03-02 |
| 6680165 | Cyan coupler dispersion with increased activity | Jerrold N. Poslusny, Paul B. Merkel, David A. Steele, David S. Ross, Richard K. Rothrock +1 more | 2004-01-20 |
| 6620580 | Color negative element containing triple-coated blue record and method of imaging using same | Norma B. Platt | 2003-09-16 |
| 6043016 | Photographic element containing a malonanilide DIR coupler | Paul B. Merkel, Jerrold N. Poslusny, Robert C. Stewart | 2000-03-28 |
| 5851746 | Photographic silver halide element having polyethylene naphthalate support and thin non-imaging bottom layers | John B. Rieger | 1998-12-22 |
| 5599656 | Photographic materials having releasable compounds | Richard P. Szajewski, Stephen P. Singer | 1997-02-04 |
| 5460928 | Photographic element containing particular blue sensitized tabular grain emulsion | Mamie Kam-Ng, John D. Buhr | 1995-10-24 |
| 5389504 | Color photographic elements containing a combination of pyrazolone and pyrazoloazole couplers | Hans G. Ling, Stephen P. Singer | 1995-02-14 |
| 5387500 | Color photographic elements containing a combination of pyrazoloazole couplers | Hans G. Ling | 1995-02-07 |
| 5288593 | Photographic material and process comprising a coupler capable of forming a wash-out dye (Q/Q) | William J. Begley, Hans G. Ling, Teh-Hsuan Chen | 1994-02-22 |
| 5286613 | Photographic material comprising a combination of couplers forming washout and non-washout dyes | William J. Begley, Hans G. Ling | 1994-02-15 |
| 5279929 | Photographic material and process comprising a coupler capable of forming a wash-out dye (C/C) | William J. Begley, Hans G. Ling, Teh-Hsuan Chen | 1994-01-18 |
| 5093239 | Reagents for detecting oxidase positive microorganisms | Robert T. Belly, Lee J. Fleckenstein, William N. Washburn | 1992-03-03 |
| 4912024 | Photographic material having releasable compound | Richard P. Szajewski, Stephen P. Singer | 1990-03-27 |
| 4912025 | Photographic recording material for accelerated development | Norma B. Platt, David A. Steele, David T. Southby | 1990-03-27 |
| 4859578 | Photographic recording material providing improved granularity properties | Norma B. Platt, David A. Steele, David T. Southby | 1989-08-22 |
| 4481287 | 4-Hydroxyalkyl-substituted 3-pyrazolidinone electron transfer agents | George B. Bodem | 1984-11-06 |
| 4471045 | 4-Hydroxyalkyl-substituted 3-pyrazolidinone electron transfer agents | George B. Bodem | 1984-09-11 |
| 4471046 | 4-Hydroxyalkyl-substituted 3-pyrazolidinone electron transfer agents | — | 1984-09-11 |
| 4463081 | 4-Hydroxyalkyl-substituted 3-pyrazolidinone electron transfer agents | — | 1984-07-31 |