Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649798 | Method for production of diaminodiphenylmethanes | Stephan Klein, Dirk Grotjohann, Christine Mendoza-Frohn, Daniel Koch, Heinz Muller +2 more | 2003-11-18 |
| 6528690 | Adiabatic process for producing dinitrotoluene | Uwe Klingler, Thomas Schieb, Dietmar Wastian | 2003-03-04 |