US 12,330,141 B2
Selective catalytic reduction suspension
Edgar Viktor Huennekes, Hannover (DE); Petra Cordes, Hannover (DE); Jan Martin Becker, Hannover (DE); Ruediger Wolff, Nienburg/Weser (DE); Joseph A. Patchett, Iselin, NJ (US); Nicholas McGuire, Huntsville, AL (US); Edith Schneider, Nienburg/Weser (DE); and Kevin Beard, Iselin, NJ (US)
Assigned to BASF Mobile Emissions Catalysts LLC, Iselin, NJ (US)
Appl. No. 17/594,838
Filed by BASF MOBILE EMISSIONS CATALYSTS LLC, Iselin, NJ (US)
PCT Filed May 5, 2020, PCT No. PCT/EP2020/062375
§ 371(c)(1), (2) Date Nov. 1, 2021,
PCT Pub. No. WO2020/225235, PCT Pub. Date Nov. 12, 2020.
Claims priority of application No. 19172795 (EP), filed on May 6, 2019.
Prior Publication US 2022/0288563 A1, Sep. 15, 2022
Int. Cl. B01J 21/06 (2006.01); B01J 21/08 (2006.01); B01J 23/10 (2006.01); B01J 23/22 (2006.01); B01J 23/30 (2006.01); B01J 35/23 (2024.01); B01J 35/50 (2024.01); B01J 37/02 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01)
CPC B01J 23/22 (2013.01) [B01J 21/08 (2013.01); B01J 23/10 (2013.01); B01J 23/30 (2013.01); B01J 35/23 (2024.01); B01J 35/50 (2024.01); B01J 37/0215 (2013.01); B01J 37/04 (2013.01); B01J 37/08 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An aqueous suspension comprising:
water, a source of one or more of a vanadium oxide and a tungsten oxide, and particles of an oxidic support;
wherein the particles of the aqueous suspension exhibit a polymodal particle size distribution having a particle size distribution curve comprising a first peak with a maximum, M(I), ranging from 0.5 micrometer to 15 micrometers and a second peak with a maximum, M(II), ranging from 1 micrometer to 40 micrometers, wherein M(I):M(II) is less than 1:1.