Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780542 | Water-emulsifiable polyisocyanates | Hans Renz, Stephan Kothrade, Karl Haberle | 1998-07-14 |
| 5698647 | Preparation of polymers based on basic vinyl monomers | Volker Schehlmann, Axel Sanner, Rainer Blankenburg | 1997-12-16 |
| 5461159 | Binding chemical impurities contained in crude N-vinylpyrrolid-2-one | Rainer Blankenburg, Herbert Helfert | 1995-10-24 |