Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomonori Nakayama0
Kensuke Hiroshige0
Susumu Takasaki0
Takeshige Nakayama0
Date of Patent
August 9, 2022
0Patent Application Number
168323780
Date Filed
March 27, 2020
0Patent Primary Examiner
A method for producing an aqueous polyimide precursor solution composition includes forming a polyamic acid by the reaction of a tetracarboxylic acid component and a diamine component in an aqueous solvent together with an imidazole in an amount of 1.6 mole or more per mole of the tetracarboxylic acid component of the polyamic acid.
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