Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025767 | Wet strength enhancers for paper | Ellen Krueger, Martin Wendker, Stefan Frenzel | 2011-09-27 |
CB
Claus Boettcher
Overall (All Time): #3,264,271 of 4,157,543Top 80%
1
Patents All Time