Stock material or miscellaneous articles – Composite – Of polyamidoester
Reexamination Certificate
2011-07-05
2011-07-05
Figueroa, John J (Department: 1765)
Stock material or miscellaneous articles
Composite
Of polyamidoester
C525S452000, C525S453000, C525S458000, C528S068000, C528S288000, C428S423100
Reexamination Certificate
active
07972701
ABSTRACT:
A metallic substrate coated at least in part with a multilayer coating composite, comprising at least one of an electrocoat layer, a base coat layer, and a clearcoat layer; and a polyurea formed from a reaction mixture comprising isocyanate and a (meth)acrylated amine reaction product of a monoamine and a poly(meth)acrylate is disclosed. The ratio of equivalents of isocyanate groups to equivalents of amine groups in the polyurea is greater than 1 and the isocyanate functional component and the (meth)acrylated amine functional component can be applied to the substrate at a volume mixing ratio of 1:1. A building comprising a building component coated at least in part with such a polyurea is also disclosed, as is a substrate coated at least in part with such a polyurea, wherein the ratio of equivalents or isocyanate to equivalents of amine groups is greater than 1.3:1.
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Barancyk Steven V.
Hockswender Thomas R.
Martz Jonathan T.
Senkfor Howard
Figueroa John J
Meyers Diane R.
PPG Industries Ohio Inc.
Shideler Krisanne
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