Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366840 | Liquid developer compositions | James R. Larson, Frank J. Bonsignore, Roger N. Ciccarelli, Thomas R. Pickering, Denise R. Bayley | 1994-11-22 |
| 5358821 | Process for producing electrophotographic toners containing passivated pigments | Roger N. Ciccarelli | 1994-10-25 |
| 5346793 | Toner compositions with aluminum charge enhancing additives | Denise R. Bayley, Thomas R. Pickering, Roger N. Ciccarelli | 1994-09-13 |
| 5346795 | Toner and developer compositions | Thomas R. Pickering, Denise R. Bayley, Roger N. Ciccarelli | 1994-09-13 |
| 5326662 | Passivated toner compositions and processes thereof | Don B. Jugle, Roger N. Ciccarelli | 1994-07-05 |
| 5324613 | Toner and developer compositions | Roger N. Ciccarelli, Denise R. Bayley, Thomas R. Pickering | 1994-06-28 |
| 5262268 | Method of pigment dispersion in colored toner | Don B. Jugle | 1993-11-16 |
| 5250380 | Toner compositions with metal complex charge enhancing additives | Denise R. Bayley, Thomas R. Pickering, Roger N. Ciccarelli | 1993-10-05 |
| 5250379 | Toner compositions with metal complex charge enhancing additives | Denise R. Bayley, Thomas R. Pickering, Roger N. Ciccarelli | 1993-10-05 |
| 5250381 | Toner compositions with aluminum charge enhancing additives | Roger N. Ciccarelli, Denise R. Bayley, Thomas R. Pickering | 1993-10-05 |
| 5223368 | Toner and developer compositions comprising aluminum charge control agent | Roger N. Ciccarelli, Denise R. Bayley, Thomas R. Pickering | 1993-06-29 |
| 5120632 | Pigment passivation via polymer encapsulation | Roger N. Ciccarelli | 1992-06-09 |
| 5080995 | Processes for toner pigment dispersion | Carol A. Fox | 1992-01-14 |
| 5075185 | Imaging process comprising tri-level imaging area and an aluminum complex charge enhancing additive | Denise R. Leon-Bayley, Roger N. Ciccarelli, Linda J. Nelson | 1991-12-24 |
| 4789615 | Toner compositions with nicotinate charge enhancing additives | Roger N. Ciccarelli | 1988-12-06 |
| 4569896 | Resistive single component developer composition | Steven R. Perez, Timothy W. Jacobs, Raymond L. Sommers, George W. Vianco | 1986-02-11 |
| 4407922 | Pressure sensitive toner compositions | Bernard Grushkin | 1983-10-04 |