Stock material or miscellaneous articles – Composite – Of polycarbonate
Reexamination Certificate
2008-01-15
2008-01-15
Boykin, Terressa (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polycarbonate
C264S176100, C264S219000, C428S212000, C428S411100, C428S412000
Reexamination Certificate
active
07318958
ABSTRACT:
Disclosed are weatherable multilayer articles comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive layer comprising a polyurethane, and (iv) a substrate layer comprising at least one material selected from the group consisting of a thermoplastic resin, a cured thermoset resin, a metal, a ceramic, a glass, and a cellulosic material, wherein the coating layer is in contiguous superposed contact with the second layer, and the adhesive layer is in contiguous contact with the second layer and the substrate layer. Also disclosed is a method for making the multilayer article.
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Boykin Terressa
Cantor & Colburn LLP
General Electric Company
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