Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7052775 | Method for producing cellulose shaped bodies with super-absorbent properties | Waldemar Dohrn, Reiner Buettner, Ingo Notz, Carmen Knobelsdorf, Edgar Herrmann +1 more | 2006-05-30 |
| 6958429 | Water-absorbing polymers with supramolecular hollow molecules, method for producing them and use of the same | Christoph Bruhn, Edgar Herrmann, Jörg Issberner, Dagmar Kersten, Richard Mertens | 2005-10-25 |
| 6911572 | Water-absorbing polymers having supramolecular hollow molecules, method for producing them and use of the same | Christoph Bruhn, Edgar Herrmann, Jörg Issberner, Dagmar Kersten, Richard Mertens | 2005-06-28 |
| RE33839 | Absorbents for blood and serous body fluids | Miroslav Chmelir, Kurt Dahmen, Georg Hoffman | 1992-03-03 |
| 4693713 | Absorbents for blood and serous body fluids | Miroslav Chmelir, Kurt Dahmen, Georg Hoffman | 1987-09-15 |
| 4415295 | Mineral mining installations | Paul J. Wisniewski | 1983-11-15 |