Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783875 | Cast iron material and motor vehicle part made of the cast iron material | Uemit Ursavas, Matthias Warkentin, Maik Broda, Dirk Radebach, Frank Ungerbuehler | 2017-10-10 |
| 6887409 | Method and device for the production of cellulose fibers and cellulose filament yarns | Birgit Kosan | 2005-05-03 |
| 6875756 | Method and device for the continuous, single-step production of a homogeneous solution of cellulose in hydrous tertiary aminoxides | Andreas Diener | 2005-04-05 |
| 6676739 | Method for producing a cellulose solution in an aqueous amine oxide, said solution having an increased thermal stability | Birgit Kosan, Ralf Bauer, Michael Mooz, Frank-Günter Niemz | 2004-01-13 |
| 6670469 | Method for producing regular porous cellulose pearls, corresponding cellulose pearls and use thereof | Christine Beyer, Frank Meister, Bernd Riedel, Eberhard Taeger | 2003-12-30 |
| 5792399 | Formed shape made of regenerated cellulose and process for its production | Frank Meister, Horst Krämer | 1998-08-11 |
| 5417909 | Process for manufacturing molded articles of cellulose | Reinhard Maron, Klaus Berghof | 1995-05-23 |
| 4855089 | Distributor for distributing liquid in an exchange column | — | 1989-08-08 |