Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818247 | Reactive azo dyes carrying two amine-fluoro-triazinyl groups for dyeing and printing cotton | Athanassios Tzikas | 1989-04-04 |
| 4804767 | Process for the preparation of disperse dyes | — | 1989-02-14 |