Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683555 | Working up reaction mixtures obtained in addition reactions with acetylene or propyne | Marc Heider, Michael Karcher, Albrecht Dams | 1997-11-04 |
| 5670639 | Preparation of n-vinyllactams | Marc Heider, Albrecht Dams, Harald Rust | 1997-09-23 |