Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433219 | Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate) | Eckhard Ströfer, Wilfried Seyfert, Hans Volkmar Schwarz, Olaf Schweers, Volker Scharr +1 more | 2002-08-13 |