Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533499 | Process for the production of triaryl methane compounds | John Barry Henshall, Derrick A. Hart | 1985-08-06 |
| 4362565 | Color former composition | Reginald N. Pineger | 1982-12-07 |
| 4348330 | Process for the production of sulphinates of benzhydrol compounds | John Barry Henshall | 1982-09-07 |
| 4300901 | Liquid form of dyestuffs | Brian L. Yates | 1981-11-17 |