Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730766 | Organopolysiloxanes having quaternary ammonium groups and processes for the preparation thereof | Wolfgang Schattenmann, Renate Minigshofer, Evelyn Richter | 2004-05-04 |