Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8710267 | Process for preparing MDA via the stage of the aminal | Eckhard Stroefer, Kai Thiele, Michael Zoellinger, Jon S. Speier | 2014-04-29 |
| 7709679 | Process for simultaneously preparing 4,4′-diphenylmethanediamine and diphenylmethane diisocyanate and polyphenylenepolymethylene polyisocyanates | Michael Bock, Hans-Juergen Pallasch, Filip Deberdt | 2010-05-04 |