Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8361689 | Negative charge control agents and their preparation | Dinesh Tyagi, Jason Morgan | 2013-01-29 |
| 7541130 | Sulfone charge control agents for electrostatographic toners | Dinesh Tyagi, Jason Morgan | 2009-06-02 |
| 7501218 | Electrostatographic toner containing organometallic dimethyl sulfoxide complex charge control agent | Jason Morgan, Dinesh Tyagi | 2009-03-10 |
| 6692880 | Electrophotographic toner with stable triboelectric properties | Robert D. Fields, Dinesh Tyagi, John C. Wilson, Peter S. Alexandrovich | 2004-02-17 |
| 6532354 | Cleaning brush for electrostatographic imaging apparatus and apparatus containing same | James C. Maher, Douglas C. Anderson, Theodore H. Morse, Jiann-Hsing Chen | 2003-03-11 |
| 6291127 | Water-borne polyester coated imaging member | Sandra J. Dagan, Suresh Sunderrajan, Charles E. Romano, Jr. | 2001-09-18 |
| 6281268 | Process for making an ink jet ink | Charles E. Romano, Jr., Karen E. Maskasky | 2001-08-28 |
| 6258155 | Ink jet ink | Charles E. Romano, Jr., Karen E. Maskasky | 2001-07-10 |
| 6210474 | Process for preparing an ink jet ink | Charles E. Romano, Jr., Douglas E. Bugner, Richard C. VanHanehem, James R. Bennett, Dennis E. Smith | 2001-04-03 |
| 6057072 | Toner compositions containing activated carbons | Dinesh Tyagi | 2000-05-02 |
| 6020032 | Method for preparing an ink jet recording element | Charles E. Romano, Jr., Eric L. Boyle | 2000-02-01 |
| 5928990 | Assemblage for thermal dye transfer | Elizabeth G. Burns, Teh-Ming Kung, Kristine B. Lawrence, Richard C. VanHanehem | 1999-07-27 |
| 5789143 | Thioethers in photographic elements | George J. Burgmaier, David A. Dickinson | 1998-08-04 |
| 5789343 | Assemblage for thermal dye transfer | Wayne A. Bowman, Elizabeth G. Burns, Susan L. Dawson, Kristine B. Lawrence, Richard C. VanHanehem | 1998-08-04 |
| 5789342 | Thermal dye transfer assemblage | Steven Evans, Kristine B. Lawrence, Helmut Weber | 1998-08-04 |
| 5786300 | Assemblage for thermal dye transfer | Wayne A. Bowman, Kristine B. Lawrence | 1998-07-28 |
| 5780545 | Stable release agents | Jiann-Hsing Chen, William B. Vreeland | 1998-07-14 |
| 5744422 | Assemblage for thermal dye transfer | Steven Evans, Helmut Weber, Kristine B. Lawrence | 1998-04-28 |
| 5723247 | Toner and developer compositions with organosiloxane copolymers | Peter S. Alexandrovich | 1998-03-03 |
| 5674655 | Electrostatographic toners containing metal oxides | Dinesh Tyagi | 1997-10-07 |
| 5611847 | Aqueous pigment dispersions containing sequestering agents for use as ink jet printing inks | Domenic Santilli, Douglas E. Bugner | 1997-03-18 |
| 4840864 | New electrostatographic toners and developers containing new charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. DeMejo, James H. Anderson | 1989-06-20 |
| 4834920 | New quaternary ammonium salts | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. DeMejo, James H. Anderson | 1989-05-30 |
| 4834921 | Quaternary ammonium salts | Douglas E. Eugner, Peter S. Alexandrovich, Lawrence P. DeMejo | 1989-05-30 |
| 4812378 | Electrostatographic toners and developers containing charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. DeMejo, James H. Anderson | 1989-03-14 |