Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7608140 | Inkjet inks containing azo pyrazolobenzopyrimidineone class of colorants | Steven G. Link, Paul A. Loncle, Donald R. Diehl, Shari L. Eiff | 2009-10-27 |
| 7582149 | Monoazo colorants from pyrazolobenzodiazinedioxides | Steven G. Link, Ann L. Carroll-Lee | 2009-09-01 |
| 7160933 | Stable ink jet ink composition and printing method | Charles E. Heckler, Xiaoru Wang, Huijuan Chen | 2007-01-09 |
| 7125446 | Yellow dyes for ink jet inks | Steven Evans, Ellen J. Pyszczek | 2006-10-24 |
| 7066992 | Solubilized yellow dyes for inks with improved ozone and light stability | Marcel Madaras, Hans F. Schmitthenner, David T. Southby, Mihaela Madaras | 2006-06-27 |
| 7056375 | Solubilized dyes for inks | Marcel Madaras, Hans F. Schmitthenner, David T. Southby | 2006-06-06 |
| 7033425 | Ink jet ink set | James W. Blease, Steven Evans | 2006-04-25 |
| 6140036 | Photographic material having improved color reproduction | Richard L. Parton, Steven G. Link, Lois A. Buitano | 2000-10-31 |
| 5985532 | Photographic element containing an improved pyrozolotriazole coupler | Judith A. Bose, Louis E. Friedrich, David Hoke, Robert F. Romanet, Stephen P. Singer +1 more | 1999-11-16 |
| 5981760 | Intermediates for the preparation of pyrazoloazole photographic couplers, processes of making and adjusting them | Chang-Kyu Kim, Francesco DeBellis, David Hoke, Robert F. Romanet | 1999-11-09 |
| 5719292 | Process for preparing a thioether compound | — | 1998-02-17 |
| 5681691 | Photographic element containing an improved pyrazolotriazole coupler | Judith A. Bose, Louis E. Friedrich, David Hoke, Robert F. Romanet, Stephen P. Singer +1 more | 1997-10-28 |
| 5565572 | Intermediates for the preparation of pyrazoloazole photographic couplers, processes of making and using them | Chang-Kyu Kim, David Hoke, Robert F. Romanet | 1996-10-15 |
| 5457210 | Intermediates for the preparation of pyrazoloazole photographic couplers, processes of making and using them | Chang-Kyu Kim, Francesco DeBellis, David Hoke, Robert F. Romanet | 1995-10-10 |
| 5405969 | Manufacture of thioether compounds | Charles W. Wright, John E. Leary, Jr., Chang K. Kim | 1995-04-11 |