Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560518 | Process for the continuous production of 2-carboxyethyl-alkyl-phosphinic acid dialkylesters | Klaus Gehrmann, Alexander Ohorodnik | 1985-12-24 |
| 4549995 | Process for making alkanephosphonous acid esters | Eberhard Auer, Klaus Gehrmann, Alexander Ohorodnik | 1985-10-29 |
| 4518538 | Process for making methyldichlorophosphane | Klaus Gehrmann, Alexander Ohorodnik, Stefan Schafer | 1985-05-21 |