US 12,319,773 B2
Carrier for olefin polymerization catalyst, and preparation method therefor and application thereof
Yongtai Ling, Beijing (CN); Xianzhi Xia, Beijing (CN); Yuexiang Liu, Beijing (CN); Weili Li, Beijing (CN); Jin Zhao, Beijing (CN); Futang Gao, Beijing (CN); Chunhong Ren, Beijing (CN); Yang Tan, Beijing (CN); Tao Liu, Beijing (CN); and Long Chen, Beijing (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN)
Appl. No. 17/286,765
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN)
PCT Filed Oct. 15, 2019, PCT No. PCT/CN2019/111253
§ 371(c)(1), (2) Date Apr. 19, 2021,
PCT Pub. No. WO2020/078353, PCT Pub. Date Apr. 23, 2020.
Claims priority of application No. 201811224586.4 (CN), filed on Oct. 19, 2018.
Prior Publication US 2021/0371552 A1, Dec. 2, 2021
Int. Cl. C08F 4/00 (2006.01); C08F 4/659 (2006.01); C08F 10/06 (2006.01)
CPC C08F 4/65916 (2013.01) [C08F 10/06 (2013.01); C08F 2410/01 (2013.01); C08F 2410/06 (2021.01); C08F 2410/07 (2021.01)] 23 Claims
OG exemplary drawing
 
1. A carrier for an olefin polymerization catalyst, comprising a magnesium-containing compound and sulfur, wherein the sulfur is an elemental sulfur or 2-mercaptoethanol, and
the magnesium-containing compound is

OG Complex Work Unit Chemistry