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:
Sep. 06, 2016
Filed:
Aug. 19, 2011
Bungo Hatta, Osaka, JP;
Kazuhiko Nakayama, Shiga, JP;
Minoru Inada, Shiga, JP;
Yuji Masaki, Brussels, BE;
Jun Hikata, Osaka, JP;
Bungo Hatta, Osaka, JP;
Kazuhiko Nakayama, Shiga, JP;
Minoru Inada, Shiga, JP;
Yuji Masaki, Brussels, BE;
Jun Hikata, Osaka, JP;
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
ASAHI GLASS COMPANY, LIMITED, Tokyo, JP;
Abstract
An interlayer film for laminated glass that suppresses the transmittance of ultraviolet rays with a wave length of 400 nm to 1% or less, and has high light resistance. The interlayer film for laminated glass comprises a thermoplastic resin, an ultraviolet absorber having a structure of formula (1), and an ultraviolet absorber having a structure of formula (2), wherein the amount of the ultraviolet absorber of formula (1) is 0.001 to 0.05% by weight, and the amount of the ultraviolet absorber of formula (2) is 0.5 to 1.0% by weight; wherein Ris a Calkyl group; Ris hydrogen, a Calkyl group, or a Caralkyl group; Ris hydrogen or a Calkyl group; and Ris hydrogen or a Calkyl group.