Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9079122 | Distillation column and method for distilling acrylic acid | Jochen Bauer, Frank Castillo-Welter, Markus Kreich, Klaus Kirsten, Dominic Walter | 2015-07-14 |
| 8974584 | Gas scrubber having an integrated heat exchanger | Frank Castillo-Welter, Dominic Walter, Georg Ehring, Martin Müller-Hasky | 2015-03-10 |
| 8431696 | Method for continuously producing melamine | Frank Castillo-Welter, Dominic Walter, Georg Ehring, Martin Müller-Hasky | 2013-04-30 |