US 11,718,632 B2
Catalyst composition and method for preparing isobutene-based oligomer using the same
Hee Jeong Kim, Daejeon (KR); Gyeong Shin Choi, Daejeon (KR); and Won Hee Kim, Daejeon (KR)
Assigned to LG Chem, Ltd.
Appl. No. 17/630,358
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Mar. 30, 2021, PCT No. PCT/KR2021/003908
§ 371(c)(1), (2) Date Jan. 26, 2022,
PCT Pub. No. WO2021/206345, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 10-2020-0042803 (KR), filed on Apr. 8, 2020.
Prior Publication US 2022/0275006 A1, Sep. 1, 2022
Int. Cl. C07F 5/02 (2006.01); C08F 4/52 (2006.01); C08F 110/10 (2006.01)
CPC C07F 5/027 (2013.01) [C08F 4/52 (2013.01)] 17 Claims
 
1. A catalyst composition comprising a catalyst represented by the following Formula 1 and a cocatalyst represented by the following Formula 2:

OG Complex Work Unit Chemistry
in Formula 1,
R is an alkyl group of 2 to 12 carbon atoms,
R1 to R4 are each independently a halogen group, and
o, p, q and r are each independently an integer of 1 to 5,
(Ra)mAl(Z)3-m  [Formula 2]
in Formula 2,
Ra is each independently a hydrocarbon group of 1 to 20 carbon atoms,
Z is each independently a halogen group, and
m is an integer of 0 to 3.