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:
Nov. 29, 1988
Filed:
Aug. 13, 1987
Applicant:
Inventors:
Harry Mazurek, Bala Cynwyd, PA (US);
John A Sofranko, West Chester, PA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585533 ; 585361 ; 585646 ; 585647 ;
Abstract
The process of the invention comprises contacting a lower olefin contaminated with an impurity such as a diene at oligomerization conditions with either a mixture of oligomerization catalyst and at least one of a methathesis catalyst and an alkaline earth oxide, or precontacting the contaminated lower olefin with methathesis catalyst, optionally combined with alkaline earth oxide, and subsequently oligomerizing the lower olefin.