Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915364 | Method for producing vinyl chloride-vinyl acetate copolymers in the form of their solid resins | Stephan Kaiser, Franz Zenk | 2011-03-29 |
| 7655741 | Thermostable vinylchloride mixed polymers | Stephan Kaiser, Robert Hohenadel, Karl Weber, Franz Zenk | 2010-02-02 |