Stock material or miscellaneous articles – Composite – Of polycarbonate
Reexamination Certificate
2005-01-18
2005-01-18
Boykin, Terressa (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polycarbonate
C264S176100, C264S219000
Reexamination Certificate
active
06844071
ABSTRACT:
Disclosed are multilayer articles comprising (i) at least one polycarbonate layer, wherein the polycarbonate comprises structural units derived from at least one dihydroxy aromatic hydrocarbon; (ii) at least one polypropylene layer; and (iii) a tielayer between the polycarbonate layer and the polypropylene layer, wherein the tielayer comprises a copolymer with structural units derived from at least one alkenyl aromatic compound and at least one conjugated diene. Also disclosed are film pre-assemblies comprising a tielayer and either a polycarbonate or a polypropylene layer. Methods to make articles and pre-assemblies are also disclosed.
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Application Ser. No. 10/461,005, filed Jun. 12, 2003.
Application Ser. No. 10/371,754, filed Feb. 21, 2003.
Application Ser. No. 10/371,755, filed Feb. 21, 2003.
Tryson Glen Robert
Wang Hua
Boykin Terressa
Caruso Andrew J.
General Electric Company
Patnode Patrick K.
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