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. 16, 2014
Filed:
Jul. 13, 2011
Yoshitomo Ikehata, Tsuruga, JP;
Akira Shimizu, Tsuruga, JP;
Shiro Hamamoto, Tsuruga, JP;
Jun Inagaki, Tsuruga, JP;
Shinji Sawazaki, Osaka, JP;
Yoshitomo Ikehata, Tsuruga, JP;
Akira Shimizu, Tsuruga, JP;
Shiro Hamamoto, Tsuruga, JP;
Jun Inagaki, Tsuruga, JP;
Shinji Sawazaki, Osaka, JP;
Toyobo Co., Ltd., Osaka, JP;
Abstract
The present invention provides a polyester film for sealing the backside of solar cell having excellent light reflectivity and durability and good electric insulation. A polyester film for sealing the backside of solar cell having a light reflectance at 550 nm wavelength of 50% or more and containing 3 to 50% by mass of inorganic fine particles, characterized in that acid value of the film is 1 to 30 eq/ton and limiting viscosity of the film is 0.60 to 0.80 dL/g.