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:
May. 12, 1992
Filed:
Aug. 22, 1990
Applicant:
Inventors:
Catherine S Chen, Berkeley Heights, NJ (US);
Margaret M Wu, Belle Mead, NJ (US);
Assignee:
Mobil Oil Corporation, Fairfax, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585 10 ; 585 12 ; 585 18 ; 585 17 ;
Abstract
Novel synthetic lubricants having high viscosity index are made from lower olefins. These materials have a viscosity above about 2 cS at 100.degree. C. and viscosity index above about 130 and are characterized by internal methyl groups attached to side chain tertiary carbon atoms. Hydrocarbon lubricant can be based on propene feedstock with the resulting oligomer containing less than 2.5 methyl groups per 12 carbon atoms.