Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418101 | Photosensitive composition for use in an OPC comprising X-metal free phtholocyamine and a dispersant | Marie Holmes | 1995-05-23 |
| 5234887 | Thermal transfer printing | Peter Gregory, Raymond L. White, Roy Porter | 1993-08-10 |
| 4725284 | Thermal transfer printing with z-alkyl-phenoxy anthraquinone dye mixture | William B. Black, Roy Bradbury, Peter Gregory, Roy Porter | 1988-02-16 |
| 4373930 | Aqueous dispersions of coloring materials: poly-alkyleneoxy naphthalene dispersing agents | — | 1983-02-15 |