Process for producing olefin oligomer

Details Process for producing olefin oligomer Process for producing olefin oligomer

2006-06-09

2009-06-23

Bullock, In Suk (Department: 1797)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

C585S512000, C585S522000, C585S523000

Reexamination Certificate

active

07550639

ABSTRACT:
A process for producing an olefin oligomer, which comprises the steps of (1) contacting a transition metal compound with a compound represented by the formula, R1R2A—G—AR3R4, to produce a contact product (i), (2) contacting an alumoxane compound with an organoaluminum compound to produce a contact product (ii), and (3) contacting the contact product (i), the contact product (ii), and an olefin with one another, wherein A is a nitrogen atom, a phosphorus atom, an arsenic atom or an antimony atom; G is a divalent group; and R1, R2, R3and R4are independently of one another a hydrocarbyl group, a halogenated hydrocarbyl group, an oxygen-containing hydrocarbyl group, a sulfur-containing hydrocarbyl group, a selenium-containing hydrocarbyl group, or a tellurium-containing hydrocarbyl group.

REFERENCES:
patent: 7323611 (2008-01-01), Nabika
patent: 02/04119 (2002-01-01), None
patent: 03/053890 (2003-07-01), None
patent: 2004/056477 (2004-07-01), None
patent: 2004/056479 (2004-07-01), None

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