Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433219 | Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate) | Jan Jacobs, Wilfried Seyfert, Hans Volkmar Schwarz, Olaf Schweers, Volker Scharr +1 more | 2002-08-13 |
| 6350911 | Method for producing amines | Michael Sander, Ulrich Penzel, Hans Volkmar Schwarz, Dieter Stützer, Jörn Müller +5 more | 2002-02-26 |