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:
Feb. 24, 2009
Filed:
Jun. 29, 2004
Vernon R. Small, Hercules, CA (US);
Jesse Meyer, Pinole, CA (US);
Vernon R. Small, Hercules, CA (US);
Jesse Meyer, Pinole, CA (US);
Chevron Oronite Company LLC, San Ramon, CA (US);
Abstract
A process for preparing an oligomeric phenolic detergent composition comprising contacting an oil soluble alkylphenol with an alkaline earth metal base, an alpha amino acid, and a Cto Caldehyde, in the in the presence of a Cto Calkylene glycol and a Cto Ccarboxylic acid; and reacting under reactive conditions at a temperature of from 150° C. to 225° C. The oligomeric phenolic detergent product can be employed in a lubricating oil.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile