Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196521 | Azo dyes prepared using 2-alkylamino-3-cyano-4,6-diaminopyridines as coupling components | Angelo D. Casa | 1993-03-23 |
| 4927865 | Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof | Rudolf Duthaler, Jurgen Finter, Walter Fischer | 1990-05-22 |
| 4924015 | Substituted anthraquinones and use thereof in epoxy resins | Frederick H. Howell, Rudolf Duthaler, Jurgen Finter, Konrad Oertle | 1990-05-08 |
| 4855084 | Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof | Rudolf Duthaler, Jurgen Finter, Walter Fischer | 1989-08-08 |
| 4654384 | Basic water-soluble bis-(.beta.-azo-.alpha.-naphtholamino)-triazine compounds | Peter Mockli | 1987-03-31 |
| 4581445 | Cationic benzothiazole disazo compounds | — | 1986-04-08 |
| 4562247 | Disazo compounds containing a 6-acetoacetamide-1-naphthol-3-sulfonic derivative as coupling component | — | 1985-12-31 |
| 4517358 | Disazo bis-benzthiazolyl compounds | — | 1985-05-14 |
| 4208324 | Disperse diaminopyridine-3-azo dyestuffs | — | 1980-06-17 |