Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
W. David Polk0
Eldon L. Decker0
Noel R. Vanier0
Brian E. Woodworth0
Date of Patent
March 6, 2012
0Patent Application Number
120548210
Date Filed
March 25, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A pigment dispersant is disclosed comprising a tri-block copolymer having a first block comprising a glycidyl(meth)acrylate reacted with a napthoic acid, a second block comprising (meth)acrylic acid alkyl esters, and a third block comprising (meth)acrylic acid alkyl esters, wherein said third block is different from said second block. The dispersant is suited for use in a nanoparticulate dispersion comprising pigment particles having an average primary particle size of less than 100 nm.
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