	US 12,187,671 B2
	Methods of etherification
Wen-Sheng Lee, Midland, MI (US); Sung-Yu Ku, Freeport, TX (US); and Stephen W. King, League City, TX (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/637,610
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Sep. 23, 2020, PCT No. PCT/US2020/052139 § 371(c)(1), (2) Date Feb. 23, 2022, PCT Pub. No. WO2021/067087, PCT Pub. Date Apr. 8, 2021.
Claims priority of provisional application 62/907,911, filed on Sep. 30, 2019.
Prior Publication US 2022/0281792 A1, Sep. 8, 2022
Int. Cl. C07C 41/06 (2006.01); B01J 29/70 (2006.01); B01J 37/08 (2006.01); C07C 41/09 (2006.01)

CPC C07C 41/06 (2013.01) [B01J 29/7007 (2013.01); B01J 37/08 (2013.01); C07C 41/09 (2013.01); B01J 2229/16 (2013.01); B01J 2229/32 (2013.01)]

8 Claims

1. A method of etherification, the method comprising:

producing a monoalkyl ether by contacting a silica modified zeolite catalyst with an olefin and an alcohol having two or more hydroxyl groups,

wherein the silica modified zeolite catalyst is modified by impregnation of a zeolite catalyst with a solution comprising a silicon compound to a silica loading from 15 to 50 weight percent based upon a total weight of the zeolite catalyst.