Chevron Phillips Chemical Company LP

Jack T Fuller, Iii

Orson L Sydora

Steven M Bischof

Uriah J Kilgore

Daniel Halsell Ess

Doo-Hyun Kwon

A composition comprising an N-phosphinylamidine chromium salt complex having Structure FNPACr I:  

Fluorinated N-phosphinyl amidine compounds, chromium salt complexes, catalyst systems, and their use to oligomerize ethylene

A composition comprising a perfluoro-N-phosphinylamidine chromium salt complex having Structure PFAHNPACr I: wherein Ris 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, Ris a Cto Corganyl group, Rand Rare each independently a Cto Corganyl group, and CrXis a chromium salt where X is a monoanion, and p is an integer from 2 to 6.

[object Object]

A catalyst system comprising an N-phosphinylamidine chromium salt complex having Structure PFHNPACr I: wherein Rf, Rf, Rf, and Rfare independently selected from a perfluorohydrocarbyl group; and CrXis a chromium salt; X is a monoanion, and p is an integer from 2 to 6. A process comprising a) contacting i) ethylene, ii) a catalyst system comprising an N-phosphinylamidine chromium salt complex having Structure PFHNPACr I: wherein each Rf, Rf, Rf, and Rfare independently selected from a perfluorohydrocarbyl group and CrXis a chromium salt; X is a monoanion and p is an integer from 2 to 6, and iii) optionally an organic reaction medium; and b) forming an oligomer product in a reaction zone.

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Jack T Fuller, Iii