Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TETRACARBOXYLIC ACID DIANHYDRIDE, CARBONYL COMPOUND, POLYIMIDE PRECURSOR RESIN, AND POLYIMIDE
Document Type and Number:
WIPO Patent Application WO/2018/147373
Kind Code:
A1
Abstract:
A tetracarboxylic acid dianhydride which is composed of at least one acid dianhydride (A) selected from the group consisting of compounds having an endo/exo type steric structure represented by a specific general formula and enantiomers thereof, namely compounds having an exo/endo type steric structure, and/or an acid dianhydride (B) having an endo/endo type steric structure represented by a specific general formula, and wherein the molar ratio of the content of the acid dianhydride (B) to the total amount of the acid dianhydrides (A) and (B) is 30-100 mol%.

Inventors:
MATSUO YUSUKE (JP)
WATANABE DAISUKE (JP)
HASEGAWA TAKAHIRO (JP)
Application Number:
PCT/JP2018/004410
Publication Date:
August 16, 2018
Filing Date:
February 08, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
International Classes:
C07D307/93; C07C69/753; C08G73/10
Domestic Patent References:
WO2011099518A12011-08-18
WO2013021942A12013-02-14
WO2017030019A12017-02-23
Foreign References:
JPH1160732A1999-03-05
JP2017066354A2017-04-06
JP2017080901A2017-05-18
JP2017115164A2017-06-29
JP2017115163A2017-06-29
Attorney, Agent or Firm:
CENTCREST IP ATTORNEYS (JP)
Download PDF: