Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7316881 | Method of producing a custom color toner | Donald S. Rimai, William K. Goebel, Matthew Ezenyilimba, Peter S. Alexandrovich, Dinesh Tyagi | 2008-01-08 |
| 7314696 | Electrophotographic toner and development process with improved charge to mass stability | Robert D. Fields, Patrick M. Lambert, Dinesh Tyagi | 2008-01-01 |
| 7016632 | Electrophotographic toner and development process using chemically prepared toner | Jan Bares, Matthew Ezenyilimba, William K. Goebel | 2006-03-21 |
| 6627370 | Hard carrier particles coated with a polymer resin and a conductive material | Dinesh Tyagi, Donna A. DiPrima | 2003-09-30 |
| 5705307 | Method of developing electrostatic images | Dinesh Tyagi, Dennis E. DeMeyer | 1998-01-06 |
| 5547929 | Insulin analog formulations | Michael R. De Felippis, Bruce H. Frank, Henry Havel | 1996-08-20 |
| 5516615 | Stabilized carriers with .beta. phase poly(vinylidenefluoride) | Dinesh Tyagi, Dennis E. DeMeyer | 1996-05-14 |
| 5332645 | Low dusting carriers | Bijay S. Saha | 1994-07-26 |
| 4840864 | New electrostatographic toners and developers containing new charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. DeMejo, Robert A. Guistina | 1989-06-20 |
| 4837391 | Dry electrostatographic developer containing toner particles comprising a vinyl addition polymer containing a covalently bound quaternary phosphonium salt | Douglas E. Bugner | 1989-06-06 |
| 4837392 | Dry electrostatographic developer containing toner particles comprising a vinyl addition polymer containing a covalently bound quaternary phosphonium salt | Douglas E. Bugner, Lawrence P. DeMejo, Richard C. Sutton, John C. Wilson | 1989-06-06 |
| 4834920 | New quaternary ammonium salts | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. DeMejo, Robert A. Guistina | 1989-05-30 |
| 4812378 | Electrostatographic toners and developers containing charge-control agents | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. DeMejo, Robert A. Guistina | 1989-03-14 |
| 4806284 | New quaternary ammonium salts | Douglas E. Bugner, Peter S. Alexandrovich, Lawrence P. De Mejo, Robert A. Guistina | 1989-02-21 |