The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 2017
Filed:
Feb. 27, 2015
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Ronald D. Knudsen, Bartlesville, OK (US);
Bruce E. Kreischer, Humble, TX (US);
Ronald G. Abbott, Kingwood, TX (US);
Steven D. Bridges, Bartlesville, OK (US);
Eduardo J. Baralt, Kingwood, TX (US);
Brooke L. Small, Kingwood, TX (US);
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
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.