Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416921 | Method for forming toner particles having controlled morphology and containing a quaternary ammonium tetraphenylborate and a polymeric phosphonium salt | John C. Wilson, Matthew Ezenyilimba | 2002-07-09 |
| 6365311 | 2,4-dicyanoglutarimides negative charge control agents for electrostatographic toners and developers | John C. Wilson, Satyanarayan Srinivsan | 2002-04-02 |