Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naoki Tanaka0
Norihiro Nakayama0
Ryouzo Nishikawa0
Date of Patent
February 10, 2009
0Patent Application Number
105229150
Date Filed
July 30, 2003
0Patent Primary Examiner
Patent abstract
A high-durability photocatalyst film that is a laminated film comprising a substrate film and a photocatalytically active material layer formed thereon via a protective layer, wherein the substrate film is a film having specific performances in a weather resistance test with a sunshine weatherometer, the protective layer is an organic-inorganic composite graded film and the above laminated film exhibits specific performances in an accelerated weather resistance test with a sunshine weatherometer, and a structure having photocatalytic functions on a surface formed of the above photocatalyst film.
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