Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750354 | Process for the alkylation of 3,4-dihydroxythiophene-2,5-dicarboxylic esters | Gunter Rauchschwalbe, Alexander Klausener, Ralf-Ingo Schenkel, Adolf Winkler | 2004-06-15 |
| 5976324 | Removal of water from reaction mixtures | Andreas Groschl, Adolf Winkler | 1999-11-02 |
| 4695652 | Process for the preparation of .beta.-aminoethyl ketones | Florin Seng | 1987-09-22 |
| 4271293 | Benzofuranyl-benzimidazoles | Bernhard Wehling, Carl-Wolfgang Schellhammer | 1981-06-02 |
| 4268670 | Process for the preparation of benzimidazolylbenzofuranes | Bernhard Wehling | 1981-05-19 |