Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746707 | Process for the selective hydrogenation of unsaturated compounds | Paul Fiedler, Hartmuth Buding, Joachim Thormer | 1988-05-24 |
| 4699922 | Tetramethylcyclopropanecarboxylates | Klaus Naumann, Wolfgang Behrenz, Benedikt Becker, Bernhard Homeyer, Wilhelm Stendel | 1987-10-13 |
| 4673757 | Process for selective hydrogenation of C-C double bonds in the presence of reducible, nitrogen-containing groups and new ruthenium complex compounds | Paul Fiedler, Hartmuth Buding | 1987-06-16 |
| 4617255 | Color coupler-containing photographic material | Erich Wolff, Hans Langen | 1986-10-14 |
| 4536344 | Process for formylating aryl halides | Paul Fiedler | 1985-08-20 |
| 4505860 | Cyclic keto-butyraldehydes a process for their preparation, and their use in the preparation of cyclic diisocyanates | Gerhard Klein, Dieter Arlt | 1985-03-19 |
| 4495369 | Process for the preparation of neopentylamine | Friedrich Werner, Heinz U. Blank, Gunther Gramm, Heinz Ziemann | 1985-01-22 |
| 4487966 | 3-Aminomethyl-1-(3-aminopropyl-1-methyl)-4-methylcyclohexane, a process for its preparation and its use | Paul Fiedler | 1984-12-11 |
| 4420433 | Process for the preparation of fluorine-substituted carboxylic acid chlorides and their use | Erich Klauke | 1983-12-13 |
| 4285874 | 1-Isocyanato-anthraquinones | Rutger Neeff | 1981-08-25 |
| 4270998 | Process for the preparation of optionally substituted acetonitriles monohalogenated in the .alpha.-position | Rudiger Schubart | 1981-06-02 |
| 4251462 | Aminomethyl cyclododecanes, a process for their production and their use as corrosion inhibitors | Kuno Wagner | 1981-02-17 |