Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nobuya Shimo0
Jin Mizuguchi0
Date of Patent
September 12, 2006
0Patent Application Number
104846390
Date Filed
July 26, 2002
0Patent Primary Examiner
Patent abstract
A black perylene-based pigment produced by calcining at least one compound selected from the group consisting of diimide derivatives of perylene tetracarboxylic acid and diimide derivatives of perylene diiminodicarboxylic acid, at a temperature of 200 to 600° C. in vacuum or in an inert gas atmosphere, exhibits an excellent blackness, an excellent heat resistance and an excellent weather fastness as well as a high resistance and a high safety.
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