Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607618 | Use of a water-soluble copolymers based on acrylamidoalkylenesulfonic acid as a detergent additive | Martin Hille, Gerd Reinhardt | 1997-03-04 |
| 5542951 | Use of copolymers based on vinyl monomers and carboxylic acid amides as a detergent additive | Hermann Schindler, Gerd Reinhardt | 1996-08-06 |
| 5492995 | Polycondensates containing phosphinic or phosphonic acid groups and siloxane groups | Fritz Engelhardt, Karl-Heinz Keil, Jurgen Kuhlwein, Wilfried Schuler, Willi Steckelberg +1 more | 1996-02-20 |
| 5488123 | Polycondensates containing polysiloxane groups | Fritz Engelhardt, Jurgen Kuhlwein, Wilfried Schuler, Ralf Zerrer | 1996-01-30 |