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:
Oct. 19, 2010
Filed:
Mar. 06, 2008
William H. Retsch, Jr., Castle Shannon, PA (US);
Michael J. Ziegler, Cranberry Township, PA (US);
Jackie L. Kulfan, Mars, PA (US);
Ronald R. Ambrose, Pittsburgh, PA (US);
Christopher P. Kurtz, Pittsburgh, PA (US);
William H. Retsch, Jr., Castle Shannon, PA (US);
Michael J. Ziegler, Cranberry Township, PA (US);
Jackie L. Kulfan, Mars, PA (US);
Ronald R. Ambrose, Pittsburgh, PA (US);
Christopher P. Kurtz, Pittsburgh, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described star polymers are also disclosed.