Issued Patents All Time
Showing 26–50 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184387 | 2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative charge control agents for electrostatographic toners and developers | Robert D. Fields, 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 | Robert D. Fields | 2000-12-26 |
| 6120964 | 2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative charge control agents for electrostatographic toners and developers | Robert D. Fields, Gretchen S. McGrath, Satyanarayan A. Srinivasan | 2000-09-19 |
| 6037440 | Cross-linked linear (2-cyanoacetamido) reactive polyurethanes | William B. Vreeland | 2000-03-14 |
| 6027847 | Poly(vinylbenzyl quaternary phoshonium) salt charge control agents | Dinesh Tyagi | 2000-02-22 |
| 5976753 | Electrostatographic toners and developers comprising poly[(2-cyanoacetamido)phenyl acrylate] charge-control agents | Robert D. Fields | 1999-11-02 |
| 5968656 | Electrostatographic intermediate transfer member having a ceramer-containing surface layer | Matthew Ezenyilimba, William B. Vreeland | 1999-10-19 |
| 5929190 | (2-Cyanoacetamido) reactive polyurethanes | William B. Vreeland | 1999-07-27 |
| 5922822 | (2-(sulfonamidomethylene)-2-cyanoacetamido)phenyl acrylate polymers | Robert D. Fields | 1999-07-13 |
| 5922499 | 2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2- cyanoacetamides charge-control agents for electrostatographic toners and developers | Robert D. Fields | 1999-07-13 |
| 5874194 | PolyN-vinylbenzoyl)sulfonamides! charge-control agents for electrostatographic toners and developers | Robert D. Fields | 1999-02-23 |
| 5849450 | (1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminated polymer charge-control agents for electrostatographic toners and developers | Robert D. Fields | 1998-12-15 |
| 5849449 | Electrostatographic developer having toner particles containing polymers of (2-cyanoacetamido)phenyl acrylates polymers | — | 1998-12-15 |
| 5821024 | (1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanomethylene charge-control agents for electrostatotographic toners and developers | Robert D. Fields | 1998-10-13 |
| 5821025 | N-(1,2-benzisothiazol-3(2H)-ylideneacetyl 1,1-dioxide)amides for electrostatographic toners and developers | Robert D. Fields | 1998-10-13 |
| 5804348 | PolyN-(acyl)-4-vinylbenzenesulfonamides! charge-control agents for electrostatographic toners and developers | Robert D. Fields | 1998-09-08 |
| 5788181 | Thermostatic metal actuator for nozzle actuation | — | 1998-08-04 |
| 5766815 | N-(1,2-benzisothiazol-3(2h)-ylideneacetyl 1,1-dioxide)-benzenesulfonamides charge-control agents for electrostatographic toners and developers | Robert D. Fields | 1998-06-16 |
| 5750715 | Bis(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetates! charge-control agents | Robert D. Fields | 1998-05-12 |
| 5750305 | Poly(2-(sulfonamidomethylene)-2-cyanoacetamido)phenyl acrylate! charge-control agents for electrostatographic toners and developers | Robert D. Fields | 1998-05-12 |
| 5744277 | Electrostatographic toners and developers containing (1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminated polymer charge-control agents | Robert D. Fields | 1998-04-28 |
| 5744274 | N-(2-cyanoethenyl)sulfonamides having two functionalities and toner compositions containing them | Peter S. Alexandrovich | 1998-04-28 |
| 5739235 | (2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamido)phenyl acrylate compounds and polymers | Robert D. Fields | 1998-04-14 |
| 5723249 | (1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanoacetate charge-control agents for electrostatographic toners | Robert D. Fields | 1998-03-03 |
| 5723248 | Electrostatographic toners and developers containing bis 1,2-benzisthiazol-3(2h) -ylidene 1,1-dioxide) acetates!charge-control agents | Robert D. Fields | 1998-03-03 |