Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372020 | Preparation of SCR catalyst comprising Cu and Fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such | Wen-Mei Xue, Stanley A. Roth | 2025-07-29 |
| 12163454 | Catalytic washcoat with added alumina for NOx abatement | Wen-Mei Xue, Ivan Petrovic, Stanley A. Roth, Yuejin Li | 2024-12-10 |
| 11931729 | Iron-promoted zeolite and catalyst made therefrom | Stanley A. Roth, Robin M. Huff | 2024-03-19 |
| 11724248 | Selective catalytic reduction articles and systems | Wen-Mei Xue, Xiaofan Yang, Haiyang Zhu, Stanley A. Roth, Subramanian Prasad +1 more | 2023-08-15 |
| 11448110 | Selective catalytic reduction articles and systems | Wen-Mei Xue, Stanley A. Roth, Kenneth E. Voss, Sandip D. Shah, Jaya L. Mohanan | 2022-09-20 |
| 11344868 | Selective catalytic reduction articles and systems | Wen-Mei Xue, Stanley A. Roth, Kenneth E. Voss, Qi Fu, Subramanian Prasad +3 more | 2022-05-31 |
| 10792648 | Mixed metal large crystal molecular sieve catalyst compositions, catalytic articles, systems and methods | Jaya L. Mohanan, Patrick Burk, Kenneth E. Voss | 2020-10-06 |
| 10315924 | CHA type zeolitic materials and methods for their preparation using combinations of cycloalkyl-and tetraalkylammonium compounds | Mathias Feyen, Roger Ruetz, Ulrich Müller | 2019-06-11 |
| 10179741 | Post-treatment of deboronated zeolite beta | Andrei-Nicolae Parvulescu, Stefan Maurer, Manuela Gaab, Karsten Seidel, Olga Gerlach +1 more | 2019-01-15 |
| 10099933 | Post-treatment of deboronated MWW zeolite | Andrei-Nicolae Parvulescu, Stefan Maurer, Manuela Gaab, Karsten Seidel, Olga Gerlach +1 more | 2018-10-16 |
| 10000387 | Post-treatment of a zeolitic material | Stefan Maurer, Faruk Oezkirim, Andrei-Nicolae Parvulescu, Ulrich Mueller | 2018-06-19 |
| 9878311 | Process for preparation of zeolitic material | Ulrich Mueller, Andrei-Nicolae Parvulescu, Hans-Juergen Luetzel, Georg Uhl, Stefan Dumser | 2018-01-30 |
| 9527751 | Organotemplate-free synthetic process for the production of a zeolitic material of the CHA-type structure | Stefan Maurer, Hanpeng Jin, Ulrich Müller | 2016-12-27 |
| 9168513 | Process for preparation of zeolitic material | Ulrich Mueller, Andrei-Nicolae Parvulescu, Hans-Juergen Luetzel, Georg Uhl, Stefan Dumser | 2015-10-27 |