Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939960 | Cellulose ethers | Erik-Andreas Klohr, Jörg Neubauer, Wolfgang Koch, Klaus Szablikowski, Wolfgang Wagenknecht +1 more | 2005-09-06 |
| 6872820 | Finely divided polysaccharide derivatives | Gunter Weber, Bernd Klinksiek, Jurgen Hinderer, Benno Ulfik | 2005-03-29 |
| 6482940 | Cellulose ethers and method for producing the same | Erik-Andreas Klohr, Jörg Neubauer, Wolfgang Koch, Klaus Szablikowski, Wolfgang Wagenknecht +1 more | 2002-11-19 |
| 6320043 | Process for preparing fine-particle polysaccharide derivatives | Gunter Weber, Bernd Klinksiek, Jurgen Hinderer, Benno Ulfik | 2001-11-20 |
| 4921792 | Continuous cell dispersion, cultivation and substance recovery process | Jurgen Trawinski | 1990-05-01 |
| 4496340 | Screw centrifuge with a washing device | Dieter Mrotzek | 1985-01-29 |
| 4404370 | Purification of cellulose and starch ethers with counter current washing | Claus-Rudiger Bernert, Volker Hartwig, Christian Kords | 1983-09-13 |
| 4398024 | Process for the purification of cellulose and starch ethers | Claus-Rudiger Bernert, Christian Kords | 1983-08-09 |