Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5428430 | Image forming method and apparatus using an intermediate | Muhammad Aslam, Alec N. Mutz, Kevin M. Johnson | 1995-06-27 |
| 5362833 | Phenolic polysiloxane-containing coated articles useful as toner fusing members | Jiann-Hsing Chen, Tsang J. Chen | 1994-11-08 |
| 5330840 | Polysiloxane containing polyurethane and coated articles useful as toner fusing members | Jiann-Hsing Chen, Tsang J. Chen | 1994-07-19 |
| 5258256 | Method of fusing electrostatographic toners to provide enhanced gloss | Muhammed Aslam, Dinesh Tyagi | 1993-11-02 |
| 5256507 | Method of fusing electrostatographic toners to provide differential gloss | Muhammed Aslam, Dinesh Tyagi | 1993-10-26 |
| 5254426 | Method of making a projection viewable transparency | Muhammed Aslam, Dinesh Tyagi | 1993-10-19 |
| 5253021 | Method and apparatus of transferring toner images made up of small dry particles | Muhammad Aslam, Alec N. Mutz, John M. McCabe | 1993-10-12 |
| 5233008 | Polymeric diols, polyurethanes and coated articles useful as toner fusing members | Jiann-Hsing Chen, Tsang J. Chen | 1993-08-03 |
| 5200284 | Melamine-cured polyester-amide coated articles useful as toner fusing members | Jiann-Hsing Chen, Tsang J. Chen | 1993-04-06 |
| 5194472 | Ester-containing quaternary ammonium salts as adhesion improving toner charge agents | John C. Wilson, Alexandra D. Bermel | 1993-03-16 |
| 5147747 | Low fusing temperature tone powder of crosslinked crystalline and amorphous polyesters | John C. Wilson | 1992-09-15 |
| 5112715 | Toner compositions containing a multi-purpose additive | John M. McCabe, John C. Wilson | 1992-05-12 |
| 5110977 | Ester-containing quaternary ammonium salts as adhesion improving toner charge agents | John C. Wilson, Alexandra D. Bermel | 1992-05-05 |
| 5051330 | Fluorinated onium salts as toner electrostatic transfer agents and charge control agents | Peter S. Alexandrovich, Douglas E. Bugner | 1991-09-24 |
| 5032484 | Polyethyleneimine-containing toner compositions | Joseph A. Pavlisko | 1991-07-16 |
| 4840864 | New electrostatographic toners and developers containing new charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Robert A. Guistina, James H. Anderson | 1989-06-20 |
| 4837393 | Electrostatographic toner particle comprising a polyester containing a covalently bound quaternary phosphonium salt | Peter S. Alexandrovich, John C. Wilson | 1989-06-06 |
| 4837394 | electrostatographic toner particle comprising a polyester containing a covalently bound quaternary phosphonium salt | Peter S. Alexandrovich, Thomas A. Jadwin, John C. Wilson | 1989-06-06 |
| 4837392 | Dry electrostatographic developer containing toner particles comprising a vinyl addition polymer containing a covalently bound quaternary phosphonium salt | James H. Anderson, Douglas E. Bugner, Richard C. Sutton, John C. Wilson | 1989-06-06 |
| 4834920 | New quaternary ammonium salts | Douglas E. Bugner, Peter S. Alexandrovich, Robert A. Guistina, James H. Anderson | 1989-05-30 |
| 4834921 | Quaternary ammonium salts | Douglas E. Eugner, Peter S. Alexandrovich, Robert A. Guistina | 1989-05-30 |
| 4812377 | High resolution polyester developers for electrostatography | John C. Wilson, Domenic Santilli | 1989-03-14 |
| 4812378 | Electrostatographic toners and developers containing charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Robert A. Guistina, James H. Anderson | 1989-03-14 |
| 4812381 | Electrostatographic toners and developers containing new charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Robert A. Guistina | 1989-03-14 |
| 4684596 | Electrographic toner and developer composition containing quaternary ammonium salt charge-control agent | Steven M. Bonser, Douglas E. Bugner | 1987-08-04 |