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. 04, 1993
Filed:
Oct. 25, 1991
Applicant:
Inventors:
Anatoli Onopchenko, Concord, CA (US);
Brian R Kennedy, San Rafael, CA (US);
Assignee:
Chevron Research and Technology Company, San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568766 ; 568720 ; 568788 ; 568793 ;
Abstract
A process for alkylating an aromatic polyol, such as catechol, with an alpha olefin oligomer of alpha olefins having from about 8 to 14 carbon atoms or mixtures thereof using an organic sulfonic acid catalyst which is soluble under the alkylation reaction conditions. The liquid alkyl aromatic polyol product is useful as a lubricating oil additive or lubricating oil base stock.