Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335052 | Method of preparing substituted benzaldehydes | Gunther Bernhardt, Gerhard Daum | 1982-06-15 |
| 4288607 | Bis-carbalkoxy compounds and their preparation | Gerhard Bier, Dagmar Kottek, Hermann Richtzenhain, Norbert Vollkommer | 1981-09-08 |
| 4284732 | Halogen-containing unsaturated bis-esters and polymers and copolymers based on these esters | Norbert Vollkommer, Georg Blumfeld, Hermann Richtzenhain, Wilhelm Vogt | 1981-08-18 |
| 4260803 | Chloromethylbenzoic acid esters of phenols | — | 1981-04-07 |
| 4212996 | Process for the side-chain chlorination of perhalogenated methyl aromatic compounds | Hermann Richtzenhain, Klaus Schrage | 1980-07-15 |
| 4211730 | Acrylate-based polymers and copolymers and their use as flameproofing agents | Norbert Vollkommer, Herbert Klinkenberg, Werner Schmidt | 1980-07-08 |