Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730766 | Organopolysiloxanes having quaternary ammonium groups and processes for the preparation thereof | Wolfgang Schattenmann, Michael Messner, Renate Minigshofer | 2004-05-04 |
| 6547981 | Process for treating organic fibers | Michael Messner, Wolfgang Schattenmann, Renate Minigshofer | 2003-04-15 |