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:
Jan. 18, 2005
Filed:
Oct. 06, 2003
Hua Wang, Clifton Park, NY (US);
Glen Robert Tryson, Malden Bridge, NY (US);
Hua Wang, Clifton Park, NY (US);
Glen Robert Tryson, Malden Bridge, NY (US);
General Electric Company, Niskayuna, NY (US);
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.