Invention Grant
- Patent Title: Monobidentate, bis-bidentate, and tetrabidentate guanidine Group IV transition metal olefin copolymerization catalysts
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Application No.: US17615440Application Date: 2020-05-28
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Publication No.: US12221507B2Publication Date: 2025-02-11
- Inventor: Andrew M. Camelio , Brad C. Bailey , Robert D. J. Froese , Sukrit Mukhopadhyay
- Applicant: Dow Global Technologies LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- Agency: Dinsmore & Shohl LLP
- International Application: PCT/US2020/034832 WO 20200528
- International Announcement: WO2020/243241 WO 20201203
- Main IPC: C08F4/64
- IPC: C08F4/64 ; C08F4/659 ; C08F210/14 ; C08F210/16
Abstract:
Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)α-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I).
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