Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230130 | Process for preparing methylenedianiline and methylenebis (phenylisocyanate) | Eckhard Ströfer, Jan Jacobs, Wilfried Seyfert, Hans Volkmar Schwarz, Volker Scharr +1 more | 2007-06-12 |
| 6831192 | Process for preparing methylenedianiline and methylenebis(phenyl isocyanate) | Eckhard Ströfer, Jan Jacobs, Wilfried Seyfert, Hans Volkmar Schwarz, Volker Scharr +1 more | 2004-12-14 |
| 6433219 | Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate) | Eckhard Ströfer, Jan Jacobs, Wilfried Seyfert, Hans Volkmar Schwarz, Volker Scharr +1 more | 2002-08-13 |