Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344966 | Hydrogenation of phenylphosphonic acid | — | 1994-09-06 |
| 5010192 | Pyridazinone manufacture | John Kelshaw Conway | 1991-04-23 |
| 5003067 | Pyridazinone manufacture | — | 1991-03-26 |
| 4330468 | Water soluble monoazo dyes for nylon | David Brierley, Denis Robert Annesley Ridyard | 1982-05-18 |
| 4257977 | 2-Nitro-4'-aminodiphenylamine-2',4-disulfonic acid and process for its preparation | — | 1981-03-24 |
| 4238400 | Anthraquinone dyes | — | 1980-12-09 |