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. 10, 2017
Filed:
Dec. 17, 2015
Applicant:
Ashland Licensing and Intellectual Property Llc, Dublin, OH (US);
Inventors:
David E. Turcotte, Lexington, KY (US);
Ladislaus Meszaros, Mutterstadt, DE;
David F. Embaugh, Lancaster, KY (US);
Gefei Wu, Lexington, KY (US);
Assignee:
Ashland Licensing and Intellectual Property, LLC, Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/20 (2006.01); C09K 5/10 (2006.01); C23F 11/08 (2006.01); C23F 11/12 (2006.01);
U.S. Cl.
CPC ...
C09K 5/10 (2013.01); C09K 5/20 (2013.01); C23F 11/08 (2013.01); C23F 11/126 (2013.01);
Abstract
The invention relates to an engine coolant composition, and a method of increasing the operational life of a coolant composition in an engine, wherein an isononanoic acid is incorporated into the generally glycol based coolant fluid in place of nitrous acid or its salt to reduce pitting corrosion on iron containing surfaces, and one or more hydroxybenzoic acids are incorporated.