Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681957 | Process for the preparation of substituted 2-fluoro-pyrimidines | Erich Wolters, Guido Steffan | 1997-10-28 |
| 5648500 | Process for the preparation of substituted 1,2,3,4-tetrahydrocarbazoles | Heinz Landscheidt, Eberhard Zirngiebl, Jorg-Dietrich Jentsch | 1997-07-15 |
| 5648570 | Process for preparing substituted chloroaromatics | Heinz Landscheidt, Witold Broda | 1997-07-15 |
| 5649322 | Process for the preparation of C.sub.1 -C.sub.4 -alkyl nitrites | Heinz Landscheidt, Paul Wagner, Zoltan Kricsfalussy | 1997-07-15 |