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:
Sep. 07, 1993
Filed:
Sep. 08, 1992
Applicant:
Inventors:
Ivy D Johnson, Medford, NJ (US);
Garry W Kirker, Washington Township, Bergen County, NJ (US);
Michael E Landis, Woodbury, NJ (US);
Margaret M Wu, Skillman, NJ (US);
Assignee:
Mobil Oil Corporation, Fairfax, VA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585329 ; 585310 ; 585520 ; 585530 ;
Abstract
There is provided a method for preparing alpha-olefin oligomers of superior lubricating properties by contacting an alpha-olefin feed under oligomerization conditions with a catalyst comprising an activated layered silicate containing silica and oxide of Group VIB metal, e.g., Cr, between its layers. The catalyst can be activated by exposure to an oxidation gas at high temperature followed by treatment with a reducing agent, e.g., CO.