Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099534 | Continuous dyeing process | Oskar Annen, Ernst Schnider | 1992-03-31 |
| 4286961 | Reduction clearing of disperse dyes | Rolf Buser, Francis Palacin, Georg Robert | 1981-09-01 |
| 4264323 | Aqueous concentrates of cold-dyeing fibre reactive dyes | Miro Capponi, Urs Ruf | 1981-04-28 |
| 4185962 | Dyeing with organic dyestuffs dispersed in an organic liquid | Hans Gerber, Erwin Grueninger, Werner Koch | 1980-01-29 |