Invention Grant
- Patent Title: Catalyst for olefin polymerization and production method for polar group-containing olefin-based polymers
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Application No.: US16762595Application Date: 2018-11-07
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Publication No.: US11352453B2Publication Date: 2022-06-07
- Inventor: Kyoko Nozaki , Shingo Ito , Junichi Kuroda , Yoshikuni Okumura , Shinya Hayashi , Yumiko Minami , Minoru Kobayashi , Yuichiro Yasukawa
- Applicant: THE UNIVERSITY OF TOKYO , SHOWA DENKO K. K. , JAPAN POLYETHYLENE CORPORATION
- Applicant Address: JP Tokyo; JP Tokyo; JP Tokyo
- Assignee: THE UNIVERSITY OF TOKYO,SHOWA DENKO K. K.,JAPAN POLYETHYLENE CORPORATION
- Current Assignee: THE UNIVERSITY OF TOKYO,SHOWA DENKO K. K.,JAPAN POLYETHYLENE CORPORATION
- Current Assignee Address: JP Tokyo; JP Tokyo; JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JPJP2017-216585 20171109
- International Application: PCT/JP2018/041310 WO 20181107
- International Announcement: WO2019/093364 WO 20190516
- Main IPC: C08F4/80
- IPC: C08F4/80 ; C07F15/00 ; C08F16/38 ; C08F4/70 ; C08F218/02
Abstract:
A catalyst for olefin polymerization that contains a metal complex represented by general formula (C1) and a method for producing polyethylene, a copolymer of ethylene and an olefin having a polar group represented by general formula (1), or a copolymer of ethylene, an olefin having a polar group represented by general formula (1) and another monomer, using the aforementioned metal complex as a polymerization catalyst, wherein the symbols in formula (C1) and formula (1) are as defined in the specification.
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