Methods for oligomerizing olefins

Details Methods for oligomerizing olefins Methods for oligomerizing olefins

2008-08-08

2009-12-29

Lu, Caixia (Department: 1796)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

C585S510000, C585S527000, C502S103000, C502S167000, C502S168000

Reexamination Certificate

active

07638670

ABSTRACT:
The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.

REFERENCES:
patent: 6103657 (2000-08-01), Murray

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