Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931065 | Aftertreatment of reactive dyeings on cellulose fibers | Rolf Fikentscher, Sigismund Heimann, Heinrich Mertens, Siegfried Schneider, Michele Vescia | 1990-06-05 |
| 4240792 | After-treatment of dyed or printed synthetic fibers | Sigismund Heimann, Michele Vescia, Johannes Winkler | 1980-12-23 |
| 4239491 | Dyeing and printing of textiles with disperse dyes | Knut Oppenlaender, Harald Schlueter, Harro Petersen, Norbert Greif, Rainer Strickler | 1980-12-16 |