Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105631 | Preparation of alkylated N- or amino, ammonium or spirobicyclic ammonium group-containing, crosslinked polymers | Michael Stanek, Marion Wagner, Gerhard Schoppel, Georg Haeubl, Walter Raml | 2006-09-12 |
| 6346623 | Method for producing substituted pyridine-carboxylic acids | Gerhard Steinbauer, Curt Zimmermann, Erich Steinwender | 2002-02-12 |