Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885360 | Reactive dyes containing a sulfonyl and an aliphatic acyl reactive radical | — | 1989-12-05 |
| 4877413 | Process for the end-to-end dyeing of cellulosic fibres | Jean-Marie Sire | 1989-10-31 |
| 4801694 | Triazinyl reactive dyestuffs in which triazinyl group is further substituted with a beta-chloroethylsulfonyl- or vinylsulfonylbutyrylamino moiety | Karl Seitz, Herbert Seiler, Athanassios Tzikas | 1989-01-31 |