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:
Jul. 02, 1991
Filed:
Jan. 31, 1989
Applicant:
Inventors:
Armgard K Everett, Warson Woods, MO (US);
Edmund F Perozzi, Crestwood, MO (US);
Assignee:
Ethyl Petroleum Additives, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 33 ; 252 332 ; 252 466 ; 252 467 ; 252 475 ; 252 486 ;
Abstract
Lubricant compositions comprising an oil of lubricating viscosity and a cosulfurized blend of (a) a carboxylic acid ester material and (b) an ester, amide, ester-amide or fatty amine derivative which contains at least one polar substituent group such as amino and hydroxyl.
Everett, Armgard. (1991). Lubricating oil composition (U.S. Patent No. 5028345). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5028345
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile