Stock material or miscellaneous articles – Composite – Of polyamidoester
Reexamination Certificate
2005-04-05
2005-04-05
Tarazano, D. Lawrence (Department: 1773)
Stock material or miscellaneous articles
Composite
Of polyamidoester
C428S423300, C156S094000, C528S306000, C525S460000, C427S409000, C427S408000
Reexamination Certificate
active
06875514
ABSTRACT:
A coating composition comprising a film forming binder ofa. an acrylic polymer having pendant groups that are reactive with isocyanate moieties and having a glass transition temperature (Tg) of 10 to 80°C.;b. a polytrimethylene ether diol having a Mn (number average molecular weight) of 500 to 5,000; andc. an organic polyisocyanate crosslinking agent;wherein the coating composition contains pigments and cures at ambient temperatures or elevated temperatures and forms a coating that is sandable and when used in combination with a top coat, for example, a colored base coat and clear coat or a pigmented mono-coat forms a chip resistant multi-layer coating useful for refinishing or repairing automotive and truck bodies and parts.
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Kurian Joseph V.
O'Neil James William
Sormani Patricia Mary Ellen
Sunkara Hari Babu
Benjamin Steven C.
E. I. du Pont de Nemours and Company
Tarazano D. Lawrence
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