Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677384 | Grafted polyamidoamines and grafted polyethyleneimines, preparation thereof, and use thereof as detergent additives | Juergen Detering, Christian Schade, Knut Oppenlaender, Michael Zirnstein, Guenter Scherr +1 more | 1997-10-14 |
| 5652283 | Preparation of finely divided mixtures of amphiphilic polymers and polycarboxylates and use thereof | Dieter Boeckh, Hans-Ulrich Jager, Alexander Kud, Wolfgang Buhler | 1997-07-29 |
| 5627151 | Use of vinylpyrrolidone copolymers as detergent additives, novel polymers of vinylpyrrolidone, and preparation thereof | Juergen Detering, Christian Schade, Juergen Tropsch | 1997-05-06 |
| 5622926 | Vinylpyrrolidone and vinylimidazole copolymers, their preparation and their use in detergents | Christian Schade, Juergen Detering | 1997-04-22 |