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:
Apr. 30, 2013
Filed:
Nov. 04, 2009
Lih-long Chu, Midland, MI (US);
John Naumovitz, Midland, MI (US);
Nichole E. Nickel, Midland, MI (US);
Lih-Long Chu, Midland, MI (US);
John Naumovitz, Midland, MI (US);
Nichole E. Nickel, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
Multilayer structures useful as a backsheet for an electronic device, e.g., a photovoltaic cell, comprise (A) a top layer comprising a polyolefin resin, e.g., ethylene vinyl acetate, and having a top facial surface and a bottom facial surface, (B) a tie layer comprising an adhesive, e.g., an ethylene glycidyl methacrylate, having a top facial surface and a bottom facial surface, the top facial surface in adhering contact with the bottom facial surface of the top layer, and (C) a bottom layer comprising a polyolefin having at least one melting peak greater than 125° C., e.g., a polypropylene, and having a top facial layer and a bottom facial surface, the top facial surface in adhering contact with the bottom facial surface of the tie layer.