Patent · US Active

Methods of preparation of an olefin oligomerization catalyst

US7820581B2 · kind B2 · utility

12Cited by

127References

29Claims

0Family size

Assignee

Chevron Phillips Chemical Company LP · US

Inventors

Ronald D. Knudsen · Bartlesville, US
Bruce E. Kreischer · Humble, US
Ronald G. Abbott · Kingwood, US
Steven D. Bridges · Bartlesville, US
Eduardo J. Baralt · Emeryville, US
Brooke L. Small · Kingwood, US

Key dates

Filing date	Oct 30, 2007
Grant date	Oct 26, 2010
Priority date	—
Expiry date	Feb 12, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2531/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method of making a catalyst for use in oligomerizing an olefin comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising contacting a composition comprising the chromium-containing compound and a composition comprising the metal alkyl, wherein the composition comprising the chromium-containing compound is added to the composition comprising the metal alkyl.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.