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:
Dec. 10, 2013
Filed:
Jul. 29, 2011
George Wyatt Prejean, Orange, TX (US);
Sam Louis Samuels, Landenberg, PA (US);
George Wyatt Prejean, Orange, TX (US);
Sam Louis Samuels, Landenberg, PA (US);
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A multilayer film comprises a layer consisting essentially of a fluorinated copolymer resin film and a layer consisting essentially of a blend of two ethylene copolymers. The first ethylene copolymer comprises copolymerized units of ethylene, optionally a first olefin having the formula CH═C(R)COR, and a second olefin having the formula CH═C(R)COOH. The second ethylene copolymer consists essentially of copolymerized units of ethylene, optionally a first olefin having the formula CH═C(R)COR, and a third olefin having the formula CH═C(R)D. R, Rand Rrepresent hydrogen or an alkyl group; Rrepresents an alkyl group; and D represents a moiety containing an epoxy group. The multilayer film is useful as an integrated frontsheet or backsheet for photovoltaic modules. Methods for preparing the multilayer film and the photovoltaic modules are also included.