Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728464 | 1-amino-4-(3'-phenylsulphonyl-aminophenylamino) anthraquinone-2-sulphonic acids useful as anionic dyestuffs | — | 1988-03-01 |
| 4685934 | Mono- and di-sulfo group containing compound having a substituted pyrazolyl diazo component radical and their use | Francois Benguerel | 1987-08-11 |
| 4377517 | 2-(C.sub.1-4 Alkoxy)carbonylamino-4-(2'-C.sub.1-4 alkoxy-4'-halo-1',3',5'-triazinyl-6'-amino)phenylazonaphthalenedisulfoni c acids | Hanspeter Uehlinger, Max Oppliger | 1983-03-22 |
| 4237284 | Anthraquinone reactive dyes | — | 1980-12-02 |
| 4188187 | Dyeing of polyamide textiles and anthraquinone dyestuffs therefor | Karl-Ulrich Steiner | 1980-02-12 |