Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573219 | Substituted heterocyclyl-2H-chromenes | Karl-Heinz Linker, Roland Andree, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen +2 more | 2003-06-03 |
| 5686392 | Process for preparing substituted N-carbamoyl-Tetrazolinones | Uwe Stelzer, Wolfgang Gau | 1997-11-11 |
| 5118849 | Herbicidal and plant growth-regulating substituted n-aryl nitrogen heterocycles | Otto Schallner, Reiner Fischer, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt +2 more | 1992-06-02 |
| 5076833 | Herbicidal and plant growth-regulating 6-(pent-3-yl)-1,2,4-triazin-5(4H)-ones | Eckart Kranz, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt, Birgit Krauskopf | 1991-12-31 |
| 5039334 | Herbicidal and plant growth-regulating substituted N-aryl nitrogen heterocycles | Otto Schallner, Reiner Fischer, Albrecht Marhold, Hans-Joachim Santel, Robert R. Schmidt +2 more | 1991-08-13 |
| 4719307 | Process for the preparation of .beta.-hydroxyethyl-(1,2,4-triazole) derivatives | Reinhard Lantzsch | 1988-01-12 |
| 4639527 | Process for the preparation of .beta.-hydroxyethyl-(1,2,4-triazole) derivatives | Reinhard Lantzsch | 1987-01-27 |
| 4626594 | Process for the preparation of beta-hydroxyethyl-(1,2,4-triazole) derivatives | Reinhard Lantzsch | 1986-12-02 |
| 4435324 | Process for the preparation of 1-alkylaminoanthraquinones | — | 1984-03-06 |
| 4382034 | Process for the preparation of dianthraquinonylamines | Josef-Walter Stawitz | 1983-05-03 |
| 4213909 | Process for the preparation of 1-amino-4-bromoanthraquinone-2-sulfonic acid II | Gerhard Berg, Walter Hohmann, Klaus Wunderlich | 1980-07-22 |