Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880432 | Process for preparing colored particles and liquid developer compositions thereof | Luke S. Egan, Mitchell A. Winnik | 1989-11-14 |
| 4877451 | Ink jet inks containing colored silica particles | Barkev Keoshkerian | 1989-10-31 |
| 4795794 | Processes for colored particles from polymerizable dyes | Christopher K. Ober, Melvin D. Croucher | 1989-01-03 |