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:
Mar. 06, 2012
Filed:
Mar. 25, 2008
W. David Polk, Pittsburgh, PA (US);
Eldon L. Decker, Gibsonia, PA (US);
Noel R. Vanier, Wexford, PA (US);
Brian E. Woodworth, Pittsburgh, PA (US);
W. David Polk, Pittsburgh, PA (US);
Eldon L. Decker, Gibsonia, PA (US);
Noel R. Vanier, Wexford, PA (US);
Brian E. Woodworth, Pittsburgh, PA (US);
PPG Industries Ohio, Inc, Cleveland, OH (US);
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile