Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10029976 | Process and plant for the purification of acrylic acid | Thomas Gutermuth, Frank Castillo-Welter | 2018-07-24 |
| 9079122 | Distillation column and method for distilling acrylic acid | Jochen Bauer, Frank Castillo-Welter, Klaus Kirsten, Christoph Steden, Dominic Walter | 2015-07-14 |