Invention Grant
- Patent Title: Bis-phosphaguanidine and poly-phosphaguanidine ligands with group IV metal catalysts produced therefrom
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Application No.: US16337602Application Date: 2017-09-28
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Publication No.: US11028190B2Publication Date: 2021-06-08
- Inventor: Andrew M. Camelio , Arkady L. Krasovskiy , Matthew D. Christianson , Robert D J Froese
- 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/US2017/054023 WO 20170928
- International Announcement: WO2018/064339 WO 20180405
- Main IPC: C07F9/02
- IPC: C07F9/02 ; C07F9/28 ; C08F4/64 ; C08F210/16
Abstract:
Embodiments are directed to bis- and poly-phosphaguanidine compounds, and the metal-ligand complexes formed therefrom, wherein the metal complexes can be used as procatalysts in polyolefin polymerization. Formulas (I) (II) and (III).
Information query
