Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990675 | Process for the production of disulfides | Karl Nutzel, Kurt Schilling | 1991-02-05 |
| 4551505 | Process for crosslinking chlorinated polyethylene | Helfried Ehrend | 1985-11-05 |
| 4524182 | Use of cross-linked epoxidized fatty oils in vulcanizing polymers | Armin Bauer, Helfried Ehrend, Klaus Morche, Karl Nutzel | 1985-06-18 |