Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811214 | Monocomponent developer comprising surface treated toners | Robert C. Storey, Dinesh Tyagi | 1998-09-22 |
| 5480757 | Two component electrophotographic developers and preparation method | Thomas A. Jadwin, John M. Spence, Dinesh Tyagi | 1996-01-02 |
| 5358817 | Toner compositions containing as a negative charge-controlling agent the calcium salt of ortho-benzoic sulfimide | John C. Wilson, Steven M. Bonser | 1994-10-25 |
| 5358814 | Toner compositions containing as a negative charge-controlling agent a mixture of ortho-benzoic sulfimide and para-anisic acid | John C. Wilson, Steven M. Bonser | 1994-10-25 |
| 5358815 | Toner compositions containing negative charge-controlling additive | John C. Wilson, Steven M. Bonser | 1994-10-25 |
| 5358816 | Zinc salt of ortho-benzoic sulfimide as negative charge-controlling additive for toner and developer compositions | John C. Wilson, Steven M. Bonser | 1994-10-25 |
| 5358818 | Ortho-benzoic sulfimide as charge-controlling agent | John C. Wilson, Steven M. Bonser | 1994-10-25 |
| 5347345 | Method and apparatus of creating two-color images in a single pass | — | 1994-09-13 |
| 5332637 | Electrostatographic dry toner and developer compositions with hydroxyphthalimide | John C. Wilson, Steven M. Bonser | 1994-07-26 |
| 5330869 | Electrostatographic toner and developer compositions with phthalimide derivatives | John C. Wilson, Steven M. Bonser | 1994-07-19 |
| 5149416 | Polymeric electrophoresis media | Ignazio S. Ponticello, Kenneth G. Christy, Jr., David B. LaTart | 1992-09-22 |
| 5066376 | Electrophoresis media comprising active methylene groups | Ignazio S. Ponticello, Kenneth G. Christy, Jr., Wayne A. Bowman, Jon N. Eikenberry | 1991-11-19 |
| 4956181 | Nitrate therapy for angina pectoris | Gerald W. Bayer, Paul A. Diamantopoulos, Paul F. Schmit | 1990-09-11 |
| 4948480 | Kit for electrophoresis gel medium | Kenneth G. Christy, Jr., Ignazio S. Ponticello | 1990-08-14 |
| 4741979 | Battery separator assembly | Marilyn A. Faust, Mary R. Suchanski | 1988-05-03 |
| 4565751 | Cathode for high current density and high power density electrochemical cells | Marilyn A. Faust | 1986-01-21 |