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:
Sep. 11, 2012
Filed:
Jan. 21, 2011
Applicants:
Shawn P. Duffy, Cheswick, PA (US);
Susan F. Donaldson, Allison Park, PA (US);
Robert E. Jennings, Ellwood City, PA (US);
Inventors:
Shawn P. Duffy, Cheswick, PA (US);
Susan F. Donaldson, Allison Park, PA (US);
Robert E. Jennings, Ellwood City, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 67/00 (2006.01); C08F 8/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are pigment dispersions and coating compositions that include such pigment dispersions. The pigment dispersions include: (a) a pigment; (b) an acid functional, hydroxyl functional and secondary amine functional acrylic polymer having a weight average molecular weight of at least 11,000; and (c) a liquid carrier comprising an organic solvent.