Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196031 | Exhaust dyeing process for mixed fibre substrate in single bath: disperse dye, copper complex dye, complexing agent and oxidizing agent | — | 1993-03-23 |
| 4752299 | Dyeing of mixed-fiber substrates with a disperse dye and a metal-complex direct or reactive dye | Oskar Annen | 1988-06-21 |
| 4532065 | Method and composition for cleaning anodized aluminum | Leon E. Cohen | 1985-07-30 |