Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578684 | Preparation of polyvinylpyridine N-oxides | Dieter Boeckh, Juergen Detering | 1996-11-26 |
| 5565527 | Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups | Bernd Bruchmann, Roland Minges, Konrad Stiefenhoefer | 1996-10-15 |
| 5484916 | Process for the preparation of isocyanates containing uretdione groups by using imidazole group containing polymeric catalysts | Bernd Bruchmann, Roland Minges | 1996-01-16 |
| 5449775 | Imidazole group containing polymeric catalysts their preparation, and their use in the preparation of isocyanates containing uretdione groups | Bernd Bruchmann, Roland Minges, Konrad Stiefenhoefer | 1995-09-12 |