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E.I. du Pont de Nemours Assigned Patent for Solar Cells Modules Comprising Low Haze Encapsulants
(Targeted News Service Via Acquire Media NewsEdge) By Targeted News Service
ALEXANDRIA, Va., March 23 -- E.I. du Pont de Nemours, Wilmington, Del., has been assigned a patent (8,399,095) developed by four co-inventors for a "solar cells modules comprising low haze encapsulants." The co-inventors are Steven C. Pesek, Orange, Texas, Charles Anthony Smith, Vienna, W.Va., W. Alexander Shaffer, Orange, Texas, and Richard Allen Hayes, Beaumont, Texas.
The abstract of the patent published by the U.S. Patent and Trademark Office states: "A solar cell module comprises a solar cell layer and an ionomer sheet. The ionomer sheet comprises a first ionomer that is the neutralized product of a first precursor acid copolymer, which, in turn, comprises copolymerized units of ethylene and about 20 to about 30 wt % of copolymerized acrylic or methacrylic acid. The first precursor acid copolymer has a melt flow rate of about 70 to about 1000 g/10 min. When neutralized to a level of about 40% to about 90% and when comprising counterions that consist essentially of sodium cations, the first precursor acid copolymer produces a sodium ionomer that has a melt flow rate of about 0.7 to about 25 g/10 min and a freeze enthalpy that is not detectable or that is less than about 3.0 j/g. The ionomer sheet may further comprise a second ionomer that is different from the first ionomer."
The patent application was filed on Nov. 2, 2009 (12/610,431). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8,399,095.PN.&OS=PN/8,399,095&RS=PN/8,399,095
Written by Kusum Sangma; edited by Anand Kumar.
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(c) 2013 Targeted News Service
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