Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665693 | Use of carboxyl-containing reaction products of proteins or protein hydrolyzates in detergents and cleaners | Matthias Kroner, Gunnar Schornick, Alexander Kud, Volker Schwendemann | 1997-09-09 |
| 5652330 | Preparation of polycondensates of citric acid and use thereof in detergents and cleaners | Dieter Boeckh, Angelika Funhoff, Alexander Kud, Volker Schwendemann, Gunnar Schornick | 1997-07-29 |
| 5639723 | Reaction products of polybasic carboxylic acids and amino-containing compounds, their preparation and their use in detergents and cleaning agents | Matthias Kroner, Heinrich Hartmann, Dieter Boeckh, Alexander Kud, Volker Schwendemann | 1997-06-17 |
| 5639832 | Preparation of products of the reaction of polyaspartimide and amino acids and the use thereof | Matthias Kroner, Gunnar Schornick, Dieter Boeckh, Birgit Potthoff-Karl, Volker Schwendemann +2 more | 1997-06-17 |