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:
Jun. 14, 2011
Filed:
Aug. 18, 2010
Michael J. Covitch, Cleveland Heights, OH (US);
John K. Pudelski, Cleveland Heights, OH (US);
Christopher Friend, Bobbersmill, GB;
Matt D. Gieselman, Willoughby Hills, OH (US);
Renee A. Eveland, Concord Township, OH (US);
Mary Galic Raguz, Mentor, OH (US);
Barton J. Schober, Perry, OH (US);
Michael J. Covitch, Cleveland Heights, OH (US);
John K. Pudelski, Cleveland Heights, OH (US);
Christopher Friend, Bobbersmill, GB;
Matt D. Gieselman, Willoughby Hills, OH (US);
Renee A. Eveland, Concord Township, OH (US);
Mary Galic Raguz, Mentor, OH (US);
Barton J. Schober, Perry, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile