Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132944 | Photographic element containing high dye-yield couplers | Jared B. Mooberry, Kevin P. Dockery, David Hoke, Chang-Kyu Kim, James J. Seifert +2 more | 2000-10-17 |
| 5616797 | N-(carbonyl, carbonimidoyl, carbonothioyl)sulfonamide charge control agents and toners and developers | John C. Wilson, Peter S. Alexandrovich | 1997-04-01 |
| 5405727 | N-(carbonyl, carbonimidoyl, carbonothioyl) sulfonamide charge control agents and toners and developers | John C. Wilson, Peter S. Alexandrovich | 1995-04-11 |
| 5364725 | Toner and developer containing acyloxy-t-alkylated benzoic acids as charge-control agent | John C. Wilson, Thomas A. Jadwin | 1994-11-15 |
| 5358815 | Toner compositions containing negative charge-controlling additive | John C. Wilson, Hans W. Osterhoudt | 1994-10-25 |
| 5358814 | Toner compositions containing as a negative charge-controlling agent a mixture of ortho-benzoic sulfimide and para-anisic acid | Hans W. Osterhoudt, John C. Wilson | 1994-10-25 |
| 5358816 | Zinc salt of ortho-benzoic sulfimide as negative charge-controlling additive for toner and developer compositions | John C. Wilson, Hans W. Osterhoudt | 1994-10-25 |
| 5358817 | Toner compositions containing as a negative charge-controlling agent the calcium salt of ortho-benzoic sulfimide | John C. Wilson, Hans W. Osterhoudt | 1994-10-25 |
| 5358818 | Ortho-benzoic sulfimide as charge-controlling agent | John C. Wilson, Hans W. Osterhoudt | 1994-10-25 |
| 5332637 | Electrostatographic dry toner and developer compositions with hydroxyphthalimide | John C. Wilson, Hans W. Osterhoudt | 1994-07-26 |
| 5330869 | Electrostatographic toner and developer compositions with phthalimide derivatives | John C. Wilson, Hans W. Osterhoudt | 1994-07-19 |
| 5232808 | Electrostatographic toner and developer containing a fluorinated .beta.-diketone metal complex charge-control agent | John C. Wilson | 1993-08-03 |
| 4684596 | Electrographic toner and developer composition containing quaternary ammonium salt charge-control agent | Douglas E. Bugner, Lawrence P. DeMejo | 1987-08-04 |