Invention Grant
- Patent Title: Carbonyl-containing perfluorohydrocarbyl-N2-phosphinyl amidine compounds, chromium salt complexes and their use to oligomerize ethylene
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Application No.: US15712295Application Date: 2017-09-22
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Publication No.: US10294171B2Publication Date: 2019-05-21
- Inventor: Steven M. Bischof , Uriah J. Kilgore , Orson L. Sydora , Daniel H. Ess , Jack T. Fuller, III , Doo-Hyun Kwon
- Applicant: Chevron Phillips Chemical Company LP
- Applicant Address: US TX The Woodlands
- Assignee: Chevron Phillips Chemical Company LP
- Current Assignee: Chevron Phillips Chemical Company LP
- Current Assignee Address: US TX The Woodlands
- Agency: Conley Rose, P.C.
- Main IPC: C07C2/34
- IPC: C07C2/34 ; C08K5/00 ; C07F9/6584 ; C08F10/02 ; C07C2/24 ; C07F11/00 ; C07F9/653
Abstract:
A composition comprising a perfluoro-N2-phosphinylamidine chromium salt complex having Structure PFAHNPACr I: wherein Rf1 is a substituted phenyl group comprising alkyl groups at the 2 and 6 positions and at least one fluoro group or perfluoroalkyl group at the 3, 4, and/or 5 positions, R2 is a C1 to C30 organyl group, R4 and R5 are each independently a C1 to C30 organyl group, and CrXp is a chromium salt where X is a monoanion, and p is an integer from 2 to 6.
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