Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7112398 | Imaging element containing a blocked photographically useful compound | Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, James J. Seifert +2 more | 2006-09-26 |
| 6759187 | Imaging element containing a blocked photographically useful compound | Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, James J. Seifert +2 more | 2004-07-06 |
| 6756192 | Imaging element containing a blocked photographically useful compound | Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, James J. Seifert +2 more | 2004-06-29 |
| 6569612 | Photographic element containing a high-dye-yield coupler for producing a yellow hue | Lelia Cosimbescu, David T. Southby, Louis E. Friedrich | 2003-05-27 |
| 6537712 | Color photothermographic elements comprising blocked developing agents | Wojciech K. Slusarek, Xiqiang Yang, Mark E. Irving, David H. Levy, James J. Seifert +4 more | 2003-03-25 |
| 6513212 | Scannable photographic element containing high extinction high-dye-yield cyan couplers | Wojciech K. Slusarek, David T. Southby, David H. Levy, Xiqiang Yang | 2003-02-04 |
| 6365334 | Photographic elements containing aryloxypyrazolone couplers and sulfur containing stabilizers | Jerrold N. Poslusny, Paul B. Merkel, Lawrence G. Anderson, David Hales Bown | 2002-04-02 |
| 6172260 | Preparation of high dye-yield couplers and intermediates useful therein | Chang-Kyu Kim, David Hoke, James J. Seifert | 2001-01-09 |
| 6132944 | Photographic element containing high dye-yield couplers | Steven M. Bonser, Kevin P. Dockery, David Hoke, Chang-Kyu Kim, James J. Seifert +2 more | 2000-10-17 |
| 6124503 | Processes for making and using alkylaminoarylcarbonyl compounds | Chang-Kyu Kim, David Hoke, James J. Seifert | 2000-09-26 |
| 6120981 | Photographic element containing sulfon amido compounds that boost dye formation from photographic couplers | David Hoke, Kathleen M. Yahn, Kevin P. Dockery, David T. Southby | 2000-09-19 |
| 5959120 | Acetate ester compounds | Thomas E. Gompf, Brian H. Johnston | 1999-09-28 |
| 5670306 | Photographic element containing pyrazolone pug releasing coupler and imaging process employing same | Jerrold N. Poslusny, Lawrence G. Anderson, Wojciech K. Slusarek, Zheng Z. Wu | 1997-09-23 |
| 5576167 | Photographic element containing a stable aryloxypyrazolone coupler and process employing same | Jerrold N. Poslusny, Lawrence G. Anderson, Zheng Z. Wu | 1996-11-19 |
| 5538834 | Blocked photographically useful compounds for use with peroxide-containing processes | J. Michael Buchanan, John Texter | 1996-07-23 |
| 5532117 | Photographic element containing certain azoaniline dyes | Paul B. Merkel, James P. Merrill, Jeffrey Walter Schmoeger | 1996-07-02 |
| 5512410 | Heat image separation with phenolic thermal solvents and dye releasing couplers | John Texter, Thomas R. Welter, David T. Southby, David S. Bailey | 1996-04-30 |
| 5470688 | Heat development of elements containing methine-dye releasing couplers | John Texter, Thomas R. Welter, David T. Southby | 1995-11-28 |
| 5457004 | Photographic element containing a high dye-yield coupler with methine dye chromophore | James J. Seifert, David Hoke, Zheng Z. Wu, David T. Southby, Frank D. Coms | 1995-10-10 |
| 5455140 | Methine-dye releasing couplers for heat image separation systems | John Texter, Thomas R. Welter, David T. Southby | 1995-10-03 |
| 5455150 | Color photographic negative elements with enhanced printer compatibility | Paul B. Merkel, Stephen P. Singer | 1995-10-03 |
| 5447831 | Photographic element employing hue correction couplers | Stephen P. Singer | 1995-09-05 |
| 5447819 | Photographic element containing high dye-yield couplers having improved reactivity | James J. Seifert, David Hoke, Zheng Z. Wu, David T. Southby, Frank D. Coms | 1995-09-05 |
| 5364745 | Azoaniline masking couplers for photographic materials | Stephen P. Singer, James J. Seifert, Robert J. Ross, Daniel L. Kapp | 1994-11-15 |
| 5356750 | Dye releasing couplers for heat image separation systems | John Texter, Thomas R. Welter, David T. Southby | 1994-10-18 |