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:
Oct. 13, 1992
Filed:
Sep. 26, 1990
Edmund F Perozzi, Crestwood, MO (US);
Ethyl Petroleum Additives, Inc., Richmond, VA (US);
Abstract
A product formed by heating (A) a mixture of a carboxylic acid ester and a fatty acid oxyalkylated amine derivative selected from fatty acid amides, fatty acid esters, fatty acid ester-amides of such oxyalkylated amine, and mixtures thereof with (B) sulfur or a sulfur source at an elevated temperature at which sulfurization occurs. Such products are effective as oil additives in inhibiting excessive wear and sludge formation. And they possess excellent compatibility with oils of lubricating viscosity, such as mineral oils used as crankcase lubricating oil base stocks.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile