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:
Jan. 16, 2007
Filed:
May. 22, 2003
Cornelius Hendrikus Boons, Breda, NL;
Eugene Spala, Fairfield, CA (US);
Willem Van Dam, Novato, CA (US);
Cornelius Hendrikus Boons, Breda, NL;
Eugene Spala, Fairfield, CA (US);
Willem Van Dam, Novato, CA (US);
Chevron Oronite Company LLC, San Ramon, CA (US);
Cherov Oronite Technology B.V., Rotterdam, NL;
Abstract
The present invention provides a novel unsulfurized, carboxylate-containing additive for lubricating oils, comprising a mixture of alkaline earth metal salts (hydrocarbyl phenate/hydrocarbyl salicylate) and a reduced amount of unreacted hydrocarbyl phenols, as well as additive packages, concentrates and finished oil compositions comprising the same. Specifically, it relates to additives comprising said mixture in which said hydrocarbyl salicylate is primarily single-aromatic-ring hydrocarbyl salicylate. The invention also provides a method for producing said additive.