Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433219 | Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate) | Eckhard Ströfer, Jan Jacobs, Wilfried Seyfert, Olaf Schweers, Volker Scharr +1 more | 2002-08-13 |
| 6410778 | Method of producing organic diurethanes and/or polyurethanes and their use in the production of di and/or polyisocyanates | Gerhard Laqua, Ulrich Schoner, Andreas Otterbach | 2002-06-25 |
| 6350911 | Method for producing amines | Michael Sander, Ulrich Penzel, Eckhard Ströfer, Dieter Stützer, Jörn Müller +5 more | 2002-02-26 |