Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420308 | Process for the production of reserve effects on polyester textiles and polyester/cellulose mixed fibre textiles: discharge printing with disperse azo dye with alkyl or alkoxy carbonyl, cyand and hydroxy phenyl group | Ulrich Buhler, Horst Kindler, Maria Kallay, Uwe Kosubek, Rudolf Lowenfeld +1 more | 1983-12-13 |
| 4386935 | Process for producing discharge reserve prints on textile materials with amino-azo-benzene dyes | Ulrich Buhler, Theo Stahl, Horst Tappe, Kurt Roth | 1983-06-07 |
| 4329503 | Process for the preparation of 2-amino-4-nitrophenol | Wolfgang Bauer | 1982-05-11 |