The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 2025

Filed:

Feb. 09, 2021
Applicant:

Basf Mobile Emissions Catalysts Llc, Iselin, NJ (US);

Inventors:

Ahmad Moini, Iselin, NJ (US);

Eduard L. Kunkes, Iselin, NJ (US);

Jonelle Charmaine Thomas, Charlotte, NC (US);

Vivek Vattipalli, Iselin, NJ (US);

Christopher R. Castellano, Ringoes, NJ (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 39/02 (2006.01); B01D 53/94 (2006.01); B01J 29/72 (2006.01);
U.S. Cl.
CPC ...
C01B 39/02 (2013.01); B01D 53/9418 (2013.01); B01J 29/723 (2013.01); B01D 2255/50 (2013.01); B01D 2257/40 (2013.01); B01D 2258/01 (2013.01);
Abstract

The disclosure provides methods of preparing small pore zeolites, the method including using a first organic structure-directing agent and a second organic structure-directing agent to crystallize the zeolites, wherein the first organic structure-directing agent is bis-quaternary ammonium cations, and the second organic structure-directing agent is mono-quaternary ammonium cations. Further disclosed are small pore zeolites having a controlled framework aluminum distribution, and selective catalytic reduction catalyst compositions, articles, and systems including such zeolites promoted with a metal.


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