Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7375173 | Ecofriendly cationic polyelectrolytes | Norbert Steiner, Gregor Herth, Horst Redlof | 2008-05-20 |
| 5792434 | Device and a process for dissolving water-soluble powdery polymers | Friedhelm Ferlings, Uwe Gunther, Hans-Georg Hartan | 1998-08-11 |
| 4367297 | Water-soluble poly(meth)acrylic acid derivatives gels and their manufacture | Wolfgang Hubner | 1983-01-04 |