Inventor
XUE WEN-MEI
US31 patents
⚠️ This page may combine multiple inventors who share the name “XUE WEN-MEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF CORP
25 patentsUS8735311B2May 27, 2014
Copper CHA zeolite catalysts
BASF CORP27 citations96
US11260372B2Mar 1, 2022
Catalyst system for lean gasoline direct injection engines
BASF CORP21 citations94
US9610564B2Apr 4, 2017
NOx storage catalyst with improved hydrothermal stability and NOx conversion
BASF CORP26 citations94
US9981258B2May 29, 2018
Integrated LNT-TWC catalyst
BASF CORP20 citations92
US9744529B2Aug 29, 2017
Integrated LNT-TWC catalyst
BASF CORP21 citations92
US9656254B2May 23, 2017
Copper CHA zeolite catalysts
BASF CORP7 citations92
US9162218B2Oct 20, 2015
Copper CHA zeolite catalysts
BASF CORP20 citations92
US9138732B2Sep 22, 2015
Copper CHA zeolite catalysts
BASF CORP14 citations92
US7722845B2May 25, 2010
Bifunctional catalysts for selective ammonia oxidation
BASF CORP33 citations89
US9839905B2Dec 12, 2017
Copper CHA zeolite catalysts
BASF CORP4 citations84
US9611774B2Apr 4, 2017
Catalyst with improved hydrothermal stability
BASF CORP14 citations84
US9931596B2Apr 3, 2018
Emissions treatment systems with TWC catalysts and SCR-HCT catalysts
BASF CORP11 citations83
US11473471B2Oct 18, 2022
Exhaust gas treatment system
BASF CORP4 citations73
US10450918B2Oct 22, 2019
Exhaust gas treatment system
BASF CORP4 citations73
US10253667B2Apr 9, 2019
Exhaust gas treatment system
BASF CORP3 citations71
US11845067B2Dec 19, 2023
Copper CHA zeolite catalysts
BASF CORP0 citations62
US11529619B2Dec 20, 2022
Copper CHA zeolite catalysts
BASF CORP0 citations62
US12372020B2Jul 29, 2025
Preparation of SCR catalyst comprising Cu and Fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such
BASF CORP0 citations60
US11344868B2May 31, 2022
Selective catalytic reduction articles and systems
BASF CORP0 citations58
US11660586B2May 30, 2023
In-situ copper ion-exchange on pre-exchanged copper zeolitic material
BASF CORP0 citations57
US10654031B2May 19, 2020
Copper CHA zeolite catalysts
BASF CORP0 citations52
US10850265B2Dec 1, 2020
Molecular sieve catalyst compositions, catalytic composites, systems, and methods
BASF CORP0 citations51
US12491502B2Dec 9, 2025
Preparation of SCR catalyst comprising Cu and Fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such
BASF CORP0 citations50
US11724248B2Aug 15, 2023
Selective catalytic reduction articles and systems
BASF CORP0 citations50
US11448110B2Sep 20, 2022
Selective catalytic reduction articles and systems
BASF CORP0 citations50