US 12,466,738 B2
Intramolecular pi-stacking structure directing agents and molecular sieves synthesized therefrom
Allen W. Burton, Stewartsville, NJ (US); Hilda B. Vroman, Piscataway, NJ (US); Joseph M. Falkowski, Hampton, NJ (US); Eugene Terefenko, Center Valley, PA (US); Michael A. Marella, Easton, PA (US); and Ross Mabon, Whitehall, PA (US)
Assigned to EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY, Spring, TX (US)
Appl. No. 17/772,065
Filed by ExxonMobil Technology and Engineering Company, Annandale, NJ (US)
PCT Filed Jul. 22, 2020, PCT No. PCT/US2020/042989
§ 371(c)(1), (2) Date Apr. 26, 2022,
PCT Pub. No. WO2021/086458, PCT Pub. Date Jun. 5, 2021.
Claims priority of provisional application 62/929,524, filed on Nov. 1, 2019.
Prior Publication US 2022/0388853 A1, Dec. 8, 2022
Int. Cl. C01B 39/04 (2006.01); C01B 37/00 (2006.01); C01B 39/14 (2006.01); C01B 39/48 (2006.01); C01B 39/50 (2006.01); C01B 39/54 (2006.01)
CPC C01B 39/04 (2013.01) [C01B 37/005 (2013.01); C01B 37/007 (2013.01); C01B 39/145 (2013.01); C01B 39/48 (2013.01); C01B 39/50 (2013.01); C01B 39/54 (2013.01)] 13 Claims
 
1. A method comprising:
reacting, in a reaction mixture, a source of a tetrahedral element in the presence of a structure directing agent (SDA) selected from the group consisting of: Ar+-L-Ar, Ar+-L-Ar-L-Ar+, and Ar+-L-Ar-L-NR3+, where Ar+ is to a N-containing cationic aromatic ring, Ar is to a non-charged aromatic ring, L is a methylene chain of 3-6 carbon atoms, and NR3+ is to a quaternary ammonium, to produce a molecular sieve.