Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Barton J. Schober0
Matt D. Gieselman0
Michael J. Covitch0
Renee A. Eveland0
Christopher Friend0
John K. Pudelski0
Mary Galic Raguz0
Date of Patent
June 14, 2011
0Patent Application Number
128584640
Date Filed
August 18, 2010
0Patent Citations Received
Patent Primary Examiner
Patent 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.
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