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. 30, 2007
Filed:
Sep. 24, 2004
Shanti Swarup, Allison Park, PA (US);
Michael P. Hart, Cleveland Heights, OH (US);
Christiana Yichun Jia, University Heights, OH (US);
Edward S. Pagac, Portersville, PA (US);
Cathy A. Taylor, Allison Park, PA (US);
Elizabeth A. Zezinka, Cranberry Township, PA (US);
Shanti Swarup, Allison Park, PA (US);
Michael P. Hart, Cleveland Heights, OH (US);
Christiana Yichun Jia, University Heights, OH (US);
Edward S. Pagac, Portersville, PA (US);
Cathy A. Taylor, Allison Park, PA (US);
Elizabeth A. Zezinka, Cranberry Township, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
The present invention provides a reaction product having polyether carbamate groups formed from (A) polyoxyalkylene amine, and (B) cyclic carbonate, in an equivalents ratio ranging from 1:0.5 to 1:1.5. Further provided is a process for preparing the aforementioned reaction product. The present invention also is directed to an improved curable coating composition including (1) a reactive functional group-containing polymer, and (2) a curing agent having functional groups reactive with the functional groups of (1), the improvement being the inclusion in the coating composition the reaction product. Multilayer composite coatings including a first coating layer formed from the curable coating composition and a second coating layer over the curable coating composition are also provided, as well as coated substrates.