Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667057 | Halogen substituted amidoglycolic acids | Jean-Marie Adam | 1987-05-19 |
| 4617382 | 8-hydroxyquinoline sulfonic acid-azo chromium complexes | Gerhard Back, Fabio Beffa | 1986-10-14 |
| 4558121 | Sulfoethylaminosulfonyl substituted disazo dyes | Alfred Fasciati | 1985-12-10 |
| 4544739 | Fibre-reactive chromium complex Azo-azomethine dyes | Hans U. Schutz | 1985-10-01 |
| 4436659 | Metalized dyes, their manufacture and use | Hans U. Schutz | 1984-03-13 |
| 4426328 | Reactive dyes, their preparation and use | Jean-Marie Adam | 1984-01-17 |
| 4416815 | Fiber-reactive unsymmetrical 1:2 chromium complex azo dyes | Hans U. Schutz | 1983-11-22 |
| 4328220 | Non-dusty pulverulent and granulated organic dye preparations | Heinz Abel, Beat Bruttel | 1982-05-04 |
| 4322415 | Stable concentrated liquid preparations of metal complex dyes | Heinz Abel, Paul Hugelshofer | 1982-03-30 |
| 4318849 | Novel metallized dyes, their manufacture and use | Hans U. Schutz | 1982-03-09 |
| 4224025 | Process for the dyeing and printing of paper materials in different hues using a single coupling component | Franz H. Nedwed | 1980-09-23 |
| 4215042 | Copper, and nickel complexes of azo dyestuffs | Hans U. Schutz | 1980-07-29 |