Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871373 | Continuous preparation of solutions of low viscosity solvents and high viscosity, pasty products | Volker Kiener, Guenther Nonn, Bernhard Seid, Harald Schewski | 1989-10-03 |