Process for producing olefin oligomer

Details Process for producing olefin oligomer Process for producing olefin oligomer

2008-01-29

2008-01-29

Teskin, Fred (Department: 1713)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

C585S512000, C585S522000, C585S523000

Reexamination Certificate

active

11423009

ABSTRACT:
A process for producing an olefin oligomer, which comprises the steps of (1) contacting an olefin with an organoaluminum compound to produce a contact product (i), (2) contacting a transition metal compound with a compound represented by the formula, R1R2A-G-AR3R4, to produce a contact product (ii), and (3) contacting the contact product (i), the contact product (ii), an alumoxane compound, and optionally an olefin with one another, wherein A is a nitrogen atom, a phosphorus atom, an arsenic atom or an antimony atom, and As are the same as or different from each other; 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.

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patent: WO2004/056477 (2004-07-01), None
patent: WO2004/056479 (2004-07-01), None

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