Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4549995 | Process for making alkanephosphonous acid esters | Klaus Gehrmann, Alexander Ohorodnik, Johannes Rosenthal | 1985-10-29 |
| 4261923 | Process permitting the deposition of solid matter in mixtures containing methyldichlorophosphane to be inhibited | Alexander Ohorodnik, Klaus Gehrmann, Stefan Schafer | 1981-04-14 |
| 4209460 | Production of pure acetyl chloride | Alexander Ohorodnik, Klaus Gehrmann | 1980-06-24 |