Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732975 | Disazo compounds | — | 1988-03-22 |
| 4504416 | Azo compounds deriving from amino benzoic acid anilides and acetoacetylamino-benzimidazolone | Klaus Hunger | 1985-03-12 |
| 4368155 | Monoazo compounds derived from meta-amino-benzoic acid anilides and acetoacetylamino-benzimidazolone | Klaus Hunger | 1983-01-11 |
| 4302388 | Monoazo compounds deriving from meta-amino-benzoic acid anilides and acetoacetyl amino-benzimidazolone | Klaus Hunger | 1981-11-24 |
| 4302389 | Azo compounds deriving from amino benzoic acid anilides and acetoacetylamino-benzimidazolone | Klaus Hunger | 1981-11-24 |