Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783908 | Surface-treated toner particles, process for forming, and electrostatographic developer containing same | Dinesh Tyagi | 2004-08-31 |
| 6358656 | Developer or toner comprising a particle having a treatment | Dinesh Tyagi, William K. Goebel | 2002-03-19 |
| 6265127 | 1, 4-dihydrophyridine charge control agents for electrostatographic toners and developers | John C. Wilson, Gretchen S. McGrath | 2001-07-24 |
| 6221550 | 4H-pyran charge control agents for electrostatographic toners and developers | John C. Wilson, Gretchen S. McGrath | 2001-04-24 |
| 6210851 | Electrophotographic toner surface treated with silica mixtures | Peter S. Alexandrovich | 2001-04-03 |
| 6197466 | Electrophotographic toner surface treated with metal oxide | Robert D. Fields | 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, Robert D. Fields, Gretchen S. McGrath | 2001-02-06 |
| 6120964 | 2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative charge control agents for electrostatographic toners and developers | John C. Wilson, Robert D. Fields, Gretchen S. McGrath | 2000-09-19 |