Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9023118 | Azo dyes | Helmut-Martin Meier, Christof Heide, Klaus-Günter Strumpf | 2015-05-05 |
| 8734532 | Azo dyes | Helmut-Martin Meier, Christof Heide, Klaus-Günter Strumpf | 2014-05-27 |
| 8734534 | Azo dyes | Helmut-Martin Meier, Christof Heide, Klaus-Günter Strumpf | 2014-05-27 |
| 8278374 | Processes for manufacture of a dry strength paper and methods for imparting dry strength to paper using a cationic starch graft polymer | Bernd Hauschel, Bernd Thiele, Bernhard Jansen | 2012-10-02 |
| 8088830 | Paper production with modified silica gels as microparticles | Karlheinrich Meisel, Bernd Thiele, Gerd-Friedrich Renner, Johan Kijlstra, Arno Nennemann +1 more | 2012-01-03 |
| 7915340 | Cationic starch graft copolymers and novel process for the preparation of cationic starch graft copolymers | Bernd Hauschel, Bernd Thiele, Bernhard Jansen | 2011-03-29 |
| 7786238 | Cationic starch graft copolymers and novel process for the preparation of cationic starch graft copolymers | Bernd Hauschel, Bernd Thiele, Bernhard Jansen | 2010-08-31 |
| 7708862 | Paper production with modified silica gels as microparticles | Karlheinrich Meisel, Bernd Thiele, Gerd-Friedrich Renner, Johan Kijlstra, Arno Nennemann +1 more | 2010-05-04 |