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:
Jun. 12, 2018
Filed:
Jul. 14, 2016
Applicant:
Chevron Oronite Company Llc, San Ramon, CA (US);
Inventor:
William Raymond Ruhe, Jr., Benicia, CA (US);
Assignee:
Chevron Oronite Company LLC, San Ramon, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 145/22 (2006.01); C08G 63/685 (2006.01); C10M 159/12 (2006.01);
U.S. Cl.
CPC ...
C10M 159/12 (2013.01); C08G 63/6856 (2013.01); C10N 2230/041 (2013.01); C10N 2240/102 (2013.01);
Abstract
Disclosed is an oil soluble polyester composition, suitable for use as a dispersant in lubricating oils. The oil soluble polyester composition is prepared by reacting (a) a hydrocarbyl-substituted succinic acylating agent and (b) a di-hydroxyalkyl-substituted tertiary amine compound selected from a N,N-di-hydroxyalkyl-substituted tertiary monoamine and a N,N'-di-hydroxyalkyl-substituted tertiary diamine.