Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914963 | Toner composition | Charles T. Havens, Peter S. Alexandrovich, Dinesh Tyagi | 2011-03-29 |
| 7314696 | Electrophotographic toner and development process with improved charge to mass stability | Patrick M. Lambert, Dinesh Tyagi, James H. Anderson | 2008-01-01 |
| 7087355 | Electrophotographic toner containing polyalkylene wax or high crystallinity wax | Dinesh Tyagi | 2006-08-08 |
| 7056637 | Electrophotographic toner with uniformly dispersed wax | Dinesh Tyagi | 2006-06-06 |
| 7033720 | Development systems for magnetic toners and toners having reduced magnetic loadings | Thomas A. Jadwin, John F. Crichton, Eric C. Stelter | 2006-04-25 |
| 6797448 | Electrophotographic toner and development process with improved image and fusing quality | Thomas Foster, Paul L. Nielsen, Thomas A. Jadwin, Dinesh Tyagi | 2004-09-28 |
| 6766136 | Development systems for magnetic toners and toners having reduced magnetic loadings | Thomas A. Jadwin, John F. Crichton, Eric C. Stelter | 2004-07-20 |
| 6692880 | Electrophotographic toner with stable triboelectric properties | Dinesh Tyagi, John C. Wilson, Peter S. Alexandrovich, Robert A. Guistina | 2004-02-17 |
| 6610451 | Development systems for magnetic toners having reduced magnetic loadings | Thomas A. Jadwin, John F. Crichton, Eric C. Stelter | 2003-08-26 |
| 6589703 | Electrographic methods using hard magnetic carrier particles | Eric C. Stelter, Thomas A. Jadwin | 2003-07-08 |
| 6200722 | Method of making an electrophotographic toner surface treated with metal oxide | Satyanarayan A. Srinivaan | 2001-03-13 |
| 6197466 | Electrophotographic toner surface treated with metal oxide | Satyanarayan A. Srinivasan | 2001-03-06 |
| 6184387 | 2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative charge control agents for electrostatographic toners and developers | John C. Wilson, Gretchen S. McGrath, Satyanarayan A. Srinivasan | 2001-02-06 |
| 6165668 | N-[2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetyl]benzenesulfonamide charge control agents for electrostatographic toners and developers | John C. Wilson | 2000-12-26 |
| 6120964 | 2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative charge control agents for electrostatographic toners and developers | John C. Wilson, Gretchen S. McGrath, Satyanarayan A. Srinivasan | 2000-09-19 |
| 5976753 | Electrostatographic toners and developers comprising poly[(2-cyanoacetamido)phenyl acrylate] charge-control agents | John C. Wilson | 1999-11-02 |
| 5922499 | 2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2- cyanoacetamides charge-control agents for electrostatographic toners and developers | John C. Wilson | 1999-07-13 |
| 5922822 | (2-(sulfonamidomethylene)-2-cyanoacetamido)phenyl acrylate polymers | John C. Wilson | 1999-07-13 |
| 5874194 | PolyN-vinylbenzoyl)sulfonamides! charge-control agents for electrostatographic toners and developers | John C. Wilson | 1999-02-23 |
| 5849450 | (1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminated polymer charge-control agents for electrostatographic toners and developers | John C. Wilson | 1998-12-15 |
| 5821025 | N-(1,2-benzisothiazol-3(2H)-ylideneacetyl 1,1-dioxide)amides for electrostatographic toners and developers | John C. Wilson | 1998-10-13 |
| 5821024 | (1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanomethylene charge-control agents for electrostatotographic toners and developers | John C. Wilson | 1998-10-13 |
| 5804348 | PolyN-(acyl)-4-vinylbenzenesulfonamides! charge-control agents for electrostatographic toners and developers | John C. Wilson | 1998-09-08 |
| 5766815 | N-(1,2-benzisothiazol-3(2h)-ylideneacetyl 1,1-dioxide)-benzenesulfonamides charge-control agents for electrostatographic toners and developers | John C. Wilson | 1998-06-16 |
| 5750715 | Bis(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetates! charge-control agents | John C. Wilson | 1998-05-12 |