	US 11,806,697 B2
	Catalyst composition, method of preparing the composition, method of preparing conjugated diene-based polymer by using the composition, and conjugated diene-based polymer prepared by the method of preparing the polymer
Su Hwa Kim, Daejeon (KR); Hyo Jin Bae, Daejeon (KR); and Kyoung Hwan Oh, Daejeon (KR)
Assigned to LG Chem, Ltd.
Appl. No. 17/053,564
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Dec. 13, 2019, PCT No. PCT/KR2019/017737 § 371(c)(1), (2) Date Nov. 6, 2020, PCT Pub. No. WO2020/122680, PCT Pub. Date Jun. 18, 2020.
Claims priority of application No. 10-2018-0161089 (KR), filed on Dec. 13, 2018.
Prior Publication US 2021/0229083 A1, Jul. 29, 2021
Int. Cl. B01J 31/02 (2006.01); C08F 4/54 (2006.01); C08F 236/04 (2006.01)

CPC B01J 31/0211 (2013.01) [C08F 4/545 (2013.01); C08F 236/04 (2013.01)]

12 Claims

1. A catalyst composition comprising a polymer,

wherein the polymer comprises:

a neodymium compound-derived unit;

an alkylating agent-derived unit; and

a conjugated diene-based monomer-derived unit, and

the polymer has a number-average molecular weight of 3,000 g/mol to 10,000 g/mol.