Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842272 | Process for the regeneration of sulfuric acid | Klaus Kaeppler, Reinhold Iretzberger | 2010-11-30 |
| 7816569 | Process for the preparation of chloromethane using recycled hydrogen chloride | Klaus Kaeppler | 2010-10-19 |
| 5683671 | Process for purifying sulfuric acid | Konrad Mautner, Martin Kankowsky | 1997-11-04 |
| 5476916 | Process for preparing polydimethylsiloxanes | Bernd Pachaly, Wolfgang Jacques, Robert Christa | 1995-12-19 |