Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677384 | Grafted polyamidoamines and grafted polyethyleneimines, preparation thereof, and use thereof as detergent additives | Juergen Detering, Knut Oppenlaender, Michael Zirnstein, Guenter Scherr, Wolfgang Trieselt +1 more | 1997-10-14 |
| 5639832 | Preparation of products of the reaction of polyaspartimide and amino acids and the use thereof | Matthias Kroner, Gunnar Schornick, Dieter Boeckh, Richard Baur, Birgit Potthoff-Karl +2 more | 1997-06-17 |
| 5637664 | 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 | 1997-06-10 |
| 5627151 | Use of vinylpyrrolidone copolymers as detergent additives, novel polymers of vinylpyrrolidone, and preparation thereof | Juergen Detering, Wolfgang Trieselt, Juergen Tropsch | 1997-05-06 |
| 5622926 | Vinylpyrrolidone and vinylimidazole copolymers, their preparation and their use in detergents | Juergen Detering, Wolfgang Trieselt | 1997-04-22 |