Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250381 | Toner compositions with aluminum charge enhancing additives | Roger N. Ciccarelli, Jacques C. Bertrand, Thomas R. Pickering | 1993-10-05 |
| 5250379 | Toner compositions with metal complex charge enhancing additives | Thomas R. Pickering, Roger N. Ciccarelli, Jacques C. Bertrand | 1993-10-05 |
| 5250380 | Toner compositions with metal complex charge enhancing additives | Thomas R. Pickering, Roger N. Ciccarelli, Jacques C. Bertrand | 1993-10-05 |
| 5223368 | Toner and developer compositions comprising aluminum charge control agent | Roger N. Ciccarelli, Jacques C. Bertrand, Thomas R. Pickering | 1993-06-29 |
| 5212036 | Passivated green toner compositions comprising positive charge enhancing additive | Roger N. Ciccarelli | 1993-05-18 |
| 5208129 | Passivated toner compositions comprising positive charge enhancing additive | Roger N. Ciccarelli | 1993-05-04 |