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. 11, 2014
Filed:
Sep. 30, 2011
Shota Matsuda, Osaka, JP;
Michio Shimamoto, Osaka, JP;
Sinyul Yang, Osaka, JP;
Kohei Kani, Kouka, JP;
Tatsuya Iwamoto, Kouka, JP;
Shota Matsuda, Osaka, JP;
Michio Shimamoto, Osaka, JP;
Sinyul Yang, Osaka, JP;
Kohei Kani, Kouka, JP;
Tatsuya Iwamoto, Kouka, JP;
Sekisui Chemical Co., Ltd., Osaka, JP;
Abstract
The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property in a high frequency range of the obtained laminated glass over a wide range of temperature; and a laminated glass. The intermediate filmfor laminated glass of the present invention comprises a first layerand a second layerwhich is laminated on a first surfaceof the first layer, each of the first and second layersandcontains a polyvinyl acetal resin and a plasticizer, the absolute value of the difference between SP values of the polyvinyl acetal resin and the plasticizer contained in the first layeris 0.5 or smaller, and the laminated glass of the present invention comprises first and second components for laminated glass and the intermediate layersandwiched between the first and second components for laminated glass.