Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6195111 | Cassette casing for thermal transfer printing dye ribbon | Terence J Burch, Jeffrey B Orton, Richard A. Hann | 2001-02-27 |
| 5254695 | Substituted triazoles | Peter M. Quan, David Stewart | 1993-10-19 |
| 5071825 | Thermal transfer receiver | Kiyotaka Iiyama | 1991-12-10 |
| 4879388 | Extraction of metal values | Peter M. Quan, David Stewart | 1989-11-07 |
| 4822880 | Process for the extraction of metal values and novel metal extractants | David P. Devonald, Peter M. Quan, David Stewart | 1989-04-18 |
| 4800145 | Substituted phthaloayanine photoconductor and charge transport phase | Peter J. Duggan | 1989-01-24 |
| 4739054 | Triazolopyrimidine extractants | Peter M. Ouan | 1988-04-19 |
| 4696801 | Process for the extraction of metal values with bisimidazole metal extractants | David P. Devonald, Peter M. Quan, David Stewart | 1987-09-29 |
| 4675172 | Triazolopyrimidine extractants | Peter M. Quan | 1987-06-23 |
| 4581220 | Process for the extraction of metal values and novel metal extractants | Peter M. Quan, David Stewart | 1986-04-08 |