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:
Nov. 12, 2013
Filed:
Feb. 27, 2009
Ruofei Zhao, Shanghai, CN;
Guangjun Yin, Shanghai, CN;
Changming YE, Shanghai, CN;
E I du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
This invention discloses a laminated film comprising two thermoplastic polyester outer layers of identical polytrimethylene terephthalates, different polytrimethylene terephthalates, identical blends of polytrimethylene terephthalate or different blends of polytrimethylene terephthalate and a middle layer selected from a metal foil, polyethylene-vinyl acetate, and a thermoplastic polymer comprising thermoplastic polyester different from the thermoplastic polyester of the two outer layers, wherein the middle layer is laminated between the two outer layers. This invention also discloses a solar panel comprising a back sheet made of the laminated film.