Title:
TETRACARBOXYLIC DIANHYDRIDE, CARBONYL COMPOUND, ACID-ANHYDRIDE-GROUP-CONTAINING COMPOUND, METHODS FOR PRODUCING THESE, POLYIMIDE, AND POLYIMIDE PRECURSOR RESIN
Document Type and Number:
WIPO Patent Application WO/2022/210274
Kind Code:
A1
Abstract:
Provided is a tetracarboxylic dianhydride represented by general formula (1): [in formula (1), R1-R5 each independently represent one selected from the group consisting of hydrogen atoms and C1-20 hydrocarbon groups].
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Inventors:
TADANO AYUMU (JP)
WATANABE DAISUKE (JP)
WATANABE DAISUKE (JP)
Application Number:
PCT/JP2022/014042
Publication Date:
October 06, 2022
Filing Date:
March 24, 2022
Export Citation:
Assignee:
ENEOS CORP (JP)
International Classes:
C07C51/347; C07C63/49; C07D307/93; C08G73/10
Domestic Patent References:
| WO2017030019A1 | 2017-02-23 | |||
| WO2018066522A1 | 2018-04-12 | |||
| WO2020138360A1 | 2020-07-02 | |||
| WO2015163314A1 | 2015-10-29 | |||
| WO2017098936A1 | 2017-06-15 |
Foreign References:
| JP2007314435A | 2007-12-06 | |||
| JPH0413646A | 1992-01-17 | |||
| JP2011020932A | 2011-02-03 |
Attorney, Agent or Firm:
CENTCREST IP ATTORNEYS (JP)
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