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:
Aug. 16, 1988
Filed:
Nov. 20, 1987
Applicant:
Inventor:
Michael C Croudace, Huntington Beach, CA (US);
Assignee:
Union Oil Company of California, Los Angeles, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 47 ; 548167 ; 548174 ; 252 475 ;
Abstract
An extreme pressure anti-wear additive soluble in lubricating oils is provided wherein the additive comprises the reaction product of a 2-mercaptobenzothiazole with (1) an aldehyde or ketone, preferably having between 1 and 10 carbon atoms, and (2) ammonia or an amine, preferably an amine containing between 8 and 40 carbon atoms. The reaction product formed is an ashless, metals-free, extreme pressure agent soluble in lubricating oils.