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:
Dec. 18, 2012
Filed:
Oct. 12, 2010
Yat Fan Suen, Pinole, CA (US);
John Ward, San Francisco, CA (US);
Trevor Miller, Dublin, CA (US);
Chevron Oronite Company LLC, San Ramon, CA (US);
Abstract
Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed is a boron containing salt of an oil soluble hydroxylated amine and a hindered phenolic acid product prepared by: a) reacting an oil soluble hydroxylated amine of the general formula II: wherein A at each occurrence is each independently C-Calkylene group; R is methyl or an alkyl or alkenyl group having C-Ccarbon atoms; Y is hydrogen, C-Calkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1; with a boron containing compound under reactive conditions; and b) mixing the reaction product of step a) with a hindered phenolic acid.