Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8153838 | Process for producing isocyanates | Andreas Bulan, Rainer Weber, Wolfgang Lorenz, Friedhelm Kamper, Berthold Keggenhoff | 2012-04-10 |
| 6048508 | Process for obtaining carbon monoxide and hydrogen | Hans-Ulrich Dummersdorf, Hans-Joachim Muller, Dieter Grenner | 2000-04-11 |
| 4921842 | Process for the production of aqueous polyurethane dispersions | Wolfgang Henning, Harald Petersen | 1990-05-01 |