Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288294 | Process for dyeing paper with disazo dyes | — | 1994-02-22 |
| 5211719 | Concentrated acqueous solutions of anionic disazo dyes with polyglycol-amine | — | 1993-05-18 |
| 5203876 | Process for dyeing paper | — | 1993-04-20 |
| 5049238 | Method of dyeing paper utilizing trisazo dyes | — | 1991-09-17 |
| 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 |
| 4515599 | Process for dyeing paper | — | 1985-05-07 |