Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716252 | Process for the preparation of bis-hydroxyphenyl-n-alkanes, new bis-hydroxyphenyl-n-alkanes and new alkanediones | Rudolf Wagner, Hans-Rudolf Dicke, Volker Eckhardt | 1987-12-29 |
| 4681892 | Isoxazolidine insecticides and fungicides | Axel Ingendoh, Wolfgang Scheinert, Benedikt Becker, Wilhelm Stendel | 1987-07-21 |
| 4490487 | SO.sub.3 /Imide adducts, process for their preparation and their use as sulphonating agents | Peter M. Lange, Rudolf Wagner | 1984-12-25 |
| 4244877 | Process for the preparation of hexahydrophthalic acid anhydride | Helmut Waldmann, Wulf Schwerdtel | 1981-01-13 |