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Title:
POLY(AMIC ACID)-CONTAINING LIQUID AND METHOD FOR PRODUCING POLY(AMIC ACID)-CONTAINING LIQUID
Document Type and Number:
WIPO Patent Application WO/2023/218512
Kind Code:
A1
Abstract:
The present invention relates to a method for producing a poly(amic acid)-containing liquid, in which a prepolymer-containing liquid, which contains an amic acid prepolymer, a diamine, and a tetracarboxylic acid dianhydride are used to obtain the poly(amic acid)-containing liquid.

Inventors:
MAENO TOMOAKI (JP)
KAWABATA YASUNORI (JP)
HIGASHIHARA TOMOYA (JP)
Application Number:
PCT/JP2022/019740
Publication Date:
November 16, 2023
Filing Date:
May 09, 2022
Export Citation:
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Assignee:
RESONAC CORP (JP)
International Classes:
C08G73/10
Domestic Patent References:
WO2012081644A12012-06-21
WO2021176779A12021-09-10
WO2010113412A12010-10-07
Foreign References:
JP2021161387A2021-10-11
JP2009294538A2009-12-17
JP2022046213A2022-03-23
JP2020076072A2020-05-21
JP2013067769A2013-04-18
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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