Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9737886 | Method and device for producing shell catalysts | Guido Walther, Sigrid Evert, Andreas Martin | 2017-08-22 |
| 9181149 | Regeneration of catalysts for dehydrating alkanes | Helmut Gehrke, Max Heinritz-Adrian, Muhammad Iqbal Mian, Rolf Schwass, Sascha Wenzel | 2015-11-10 |
| 8536397 | Recovery of benzene and benzene derivatives from gasoline fraction and refinery streams | Helmut Gehrke, Christian Luebbecke, Baerbel Kolbe | 2013-09-17 |
| 8227052 | Method and device for plasma-assisted chemical vapour deposition on the inner wall of a hollow body | — | 2012-07-24 |