Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527886 | Dyes containing 5-cyano-2,4 or 4,6-dichloropyrimidyl fiber-reactive groups | Markus Dorr, Paul Doswald, Markus Gisler, Werner Koch, Helmut Moser +1 more | 1996-06-18 |
| 5227477 | Dyes having one or two 2,4- or 4,6-dichloro-5-cyanopyrimidyl groups linked through bridging radicals containing at least two nitrogen atoms to chloro-1,3,5-triazinyl groups | Kurt Brenneisen, Markus Doerr, Paul Doswald, Markus Gisler, Werner Koch +2 more | 1993-07-13 |
| 4840642 | Monoazo compounds having a 6-(5'-chloro-2',4'-difluoropyrimid-6'-ylamino)-1-hydroxy-3-sulfonaphthal ene group and their use as dyes | Helmut Moser | 1989-06-20 |