Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658993 | Water-soluble or water-dispersible graft copolymers, the preparation thereof and the use thereof | Walter Denzinger, Axel Kistenmacher, Johannes Perner, Angelika Funhoff, Hans-Jurgen Raubenheimer | 1997-08-19 |
| 5639832 | Preparation of products of the reaction of polyaspartimide and amino acids and the use thereof | Matthias Kroner, Gunnar Schornick, Dieter Boeckh, Richard Baur, Volker Schwendemann +2 more | 1997-06-17 |