Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336815 | Preparation of vinyl glycols | Rainer Becker, Walter Gramlich, Michael Huellmann | 1994-08-09 |
| 5196609 | Preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals | Werner Aquila, Hartwig Fuchs, Wolfgang Krause, Joachim Paust, Werner Hoffmann | 1993-03-23 |
| 4816606 | Continuous preparation of aldehydes and ketones | Karl Brenner, Manfred Eggersdorfer, Wilhelm Ruppel, Harald Schultheiss | 1989-03-28 |
| 4206153 | Treatment of methanolic-aqueous residues from syntheses employing triphenylphosphonium salts | Paul Grafen, Bernhard Schulz | 1980-06-03 |
| 4182731 | Preparation of aqueous solutions or fine aqueous dispersions of polyenyltriarylphosphonium salts | Bernhard Schulz, Paul Grafen, Hans Grassner, Werner Reif | 1980-01-08 |