Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939960 | Cellulose ethers | Erik-Andreas Klohr, Wolfgang Koch, Klaus Szablikowski, Detmar Redeker, Wolfgang Wagenknecht +1 more | 2005-09-06 |
| 6482940 | Cellulose ethers and method for producing the same | Erik-Andreas Klohr, Wolfgang Koch, Klaus Szablikowski, Detmar Redeker, Wolfgang Wagenknecht +1 more | 2002-11-19 |
| 6146858 | Method for producing cellulose derivatives | Rainhardt Koch, Frank Berendes, John J. Foster, Hans-Georg Rast, Jurgen Engelhardt +2 more | 2000-11-14 |