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:
Aug. 10, 2010
Filed:
Oct. 19, 2005
Masahiro Yamada, Osaka, JP;
Tsuyoshi Fujiki, Osaka, JP;
Shinichi Kawasaki, Osaka, JP;
Mitsuaki Yamada, Osaka, JP;
Takatsune Yanagida, Chiyoda-ku, JP;
Masatoshi Ando, Chiyoda-ku, JP;
Yoshihiko Imanaka, Chiyoda-ku, JP;
Masahiro Yamada, Osaka, JP;
Tsuyoshi Fujiki, Osaka, JP;
Shinichi Kawasaki, Osaka, JP;
Mitsuaki Yamada, Osaka, JP;
Takatsune Yanagida, Chiyoda-ku, JP;
Masatoshi Ando, Chiyoda-ku, JP;
Yoshihiko Imanaka, Chiyoda-ku, JP;
Osaka Gas Co., Ltd., Osaka, JP;
Abstract
The present invention discloses an infrared absorption filter which enables a coloring matter having infrared absorptivity to be contained or dispersed uniformly in a high concentration and has excellent durability, and an infrared absorption panel comprising this infrared absorption filter. The infrared absorption filter comprises a polycarbonate resin which contains 20 to 100 mol % of a recurring unit having a fluorene skeleton represented by the formula (1) and 0 to 80 mol % of a recurring unit represented by the formula (2), and a coloring matter having infrared absorptivity.