	US 11,912,638 B2
	Method for producing cumene
Hirofumi Koike, Sodegaura (JP); Tatsuro Uekusa, Ichihara (JP); and Shoko Ikeda, Ichihara (JP)
Assigned to SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo (JP)
Appl. No. 17/633,744
Filed by Sumitomo Chemical Company, Limited, Tokyo (JP)
PCT Filed Aug. 6, 2020, PCT No. PCT/JP2020/030207 § 371(c)(1), (2) Date Feb. 8, 2022, PCT Pub. No. WO2021/029324, PCT Pub. Date Feb. 18, 2021.
Claims priority of application No. 2019-148080 (JP), filed on Aug. 9, 2019.
Prior Publication US 2022/0363611 A1, Nov. 17, 2022
Int. Cl. C07C 1/24 (2006.01); C07C 1/22 (2006.01)

CPC C07C 1/24 (2013.01) [C07C 1/22 (2013.01)]

14 Claims

1. A method for producing cumene

comprising the steps of:

(A) pretreating a catalyst by feeding a liquid stream containing cumene into a reactor containing the catalyst; and

(B) feeding hydrogen and a liquid stream containing cumyl alcohol to the reactor after the step (A);

wherein the step (B) comprises a hydrocracking reaction or a dehydration and subsequent hydrogenation reaction to obtain cumene.