Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143847 | Method for preparing (co) polymers by metal-free anionic polymerization in the presence of a phosphonium cation containing at least one annellated aromatic ring | Thieo E. Hogen-Esch, Stephan Jungling, Volker Warzelhan, Hermann Gausepohl | 2000-11-07 |
| 6107424 | Nitrogen-containing metal-free initiators for anionic polymerization of acrylates | Stephan Jungling, Thieo E. Hogen-Esch, Axel Muller, Herbert Königsmann | 2000-08-22 |