Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085668 | Single-step printing of cellulose fibers with triphen-dioxazine reactive dyes and with sodium acetate or sodium trichloro-acetate as alkali | Gerhard Pelster | 1992-02-04 |
| 4722958 | Process for the preparation of copolymers | Josef Sauer, Friedrich Engelhardt, Kerstine Rabas, Ulrich Karsunky, Jochen M. Quack +2 more | 1988-02-02 |
| 4237249 | Process for the preparation of crosslinked copolymers, the process products obtained, and their use in textile printing | Juliane Balzer, Friedrich Engelhardt, Joachim Ribka | 1980-12-02 |