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:
Feb. 21, 2017
Filed:
Dec. 09, 2013
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Eldon L Decker, Gibsonia, PA (US);
Stephen Brian Istivan, Pittsburgh, PA (US);
Xiangling Xu, Pittsburgh, PA (US);
Brian E. Woodworth, Pittsburgh, PA (US);
W. David Polk, Pittsburgh, PA (US);
Noel R. Vanier, Wexford, PA (US);
Cheng-Hung Hung, Wexford, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Dispersions of graphenic carbon particles are produced using a polymeric dispersant. The polymeric dispersant includes an anchor block comprising glycidyl (meth)acrylate, 3,4-epoxycyclohexylmethyl(meth)acrylate, 2-(3,4-epoxycyclohexyl)ethyl(meth)acrylate, allyl glycidyl ether and mixtures thereof, reacted with a carboxylic acid comprising 3-hydroxy-2-naphthoic acid, para-nitrobenzoic acid, hexanoic acid, 2-ethyl hexanoic acid, decanoic acid and/or undecanoic acid. The polymeric dispersant also includes at least one tail block comprising at least one (meth)acrylic acid alkyl ester.