Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342928 | Benzisothiazole- and benzothiophene-azo dyes with a coupling component of the aniline series | Helmut Hagen, Helmut Reichelt, Clemens Grund | 1994-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342928 | Benzisothiazole- and benzothiophene-azo dyes with a coupling component of the aniline series | Helmut Hagen, Helmut Reichelt, Clemens Grund | 1994-08-30 |