Patents Assigned to C/O UBE INDUSTRIES, LTD.
  • Publication number: 20140218875
    Abstract: An aqueous polyimide precursor solution composition, in which a polyamic acid, which is formed by the reaction of a tetracarboxylic acid component and a diamine component, is dissolved 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.
    Type: Application
    Filed: September 6, 2012
    Publication date: August 7, 2014
    Applicant: C/O UBE INDUSTRIES, LTD.
    Inventors: Takeshige Nakayama, Susumu Takasaki, Tomonori Nakayama, Kensuke Hiroshige