Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412837 | Process for resist printing cellulose fibres with reactive or developing dyes | Hans D. Opitz | 1983-11-01 |
| 4400174 | Process for printing on synthetic fibers: reducing agent and alkoxylated amine for discharge | Norbert Grund | 1983-08-23 |
| 4398914 | Process for discharge or reserve printing on synthetic fibers: formaldehyde sulfoxylate and hexamethylene tetramine | Peter Kutschera, Guenther Vogl | 1983-08-16 |
| 4278433 | Resist printing process | Siegmar Lukas, Hermann Schwab, Rolf Strobel | 1981-07-14 |