Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihiko Imanaka0
Shinichi Kawasaki0
Takatsune Yanagida0
Tsuyoshi Fujiki0
Masahiro Yamada0
Masatoshi Ando0
Mitsuaki Yamada0
Date of Patent
August 10, 2010
Patent Application Number
11665799
Date Filed
October 19, 2005
Patent Primary Examiner
Patent 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.
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