Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447510 | Processes for the production of chlorine from hydrogen chloride and oxygen | Rainer Weber, Jürgen Kintrup, Andreas Bulan | 2016-09-20 |
| 8153838 | Process for producing isocyanates | Andreas Bulan, Rainer Weber, Wolfgang Lorenz, Gerhard Moormann, Berthold Keggenhoff | 2012-04-10 |
| 6720455 | Process for the production of polyisocyanates of the diphenylmethane series with a reduced color value | Torsten Hagen, Daniel Koch, Heinz Muller | 2004-04-13 |
| 6639102 | Process for producing polyisocyanates of the diphenyl methane series having a reduced color value | Torsten Hagen, Daniel Koch, Rudolf Uchdorf, Stefan Wershofen | 2003-10-28 |