Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739167 | Process for producing aqueous polyacrylamide solutions | Faissal-Ali El-Toufaili | 2023-08-29 |
| 8951363 | Anti-corrosive treatment for surfaces made of zinc and zinc alloys | Udo Hofmann, Hermann Donsbach, Volker Krenzel | 2015-02-10 |
| 8764916 | Agent for the production of anti-corrosion layers on metal surfaces | Hermann Donsbach, Udo Hofmann | 2014-07-01 |
| 7652183 | Method for producing alkyl aromatic compounds | Ulrich Steinbrenner, Thomas Narbeshuber, Peter Zehner, Soeren Zimdahl, Regina Benfer | 2010-01-26 |