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Title:
POLYESTER RESIN
Document Type and Number:
WIPO Patent Application WO/2022/210049
Kind Code:
A1
Abstract:
The present invention provides a polyester resin that enables the achievement of a cured product, which exhibits excellent dielectric characteristics and good chemical resistance, if combined with a crosslinkable resin. The polyester resin contains both the backbone (A) described below and the backbone (B) described below.　Backbone (A): a backbone that is represented by formula (-)R1-O-C(=O)-R3- Backbone (B): a backbone that is represented by formula -R2-O-C(=O)-R3- (In the formulae, R1 represents a monovalent or divalent aromatic group; R2 represents a divalent aliphatic group; and R3 represents a divalent aromatic group.)

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Inventors:
OGURA ICHIRO (JP)
SATO NAOYA (JP)
Application Number:
PCT/JP2022/012818
Publication Date:
October 06, 2022
Filing Date:
March 18, 2022
Export Citation:
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Assignee:
AJINOMOTO KK (JP)
International Classes:
H01L23/12; C08G63/19; C08J5/04; C08L67/02; H01L23/29; H01L23/31; H05K1/03
Domestic Patent References:
WO2013128872A12013-09-06
Foreign References:
JP2006003584A2006-01-05
JP2007254557A2007-10-04
JP2016223033A2016-12-28
JP2018090560A2018-06-14
JP2009235165A2009-10-15
JP2014025022A2014-02-06
Other References:
"Journal of Technical Disclosure No. 2020-500211", JAPAN INSTITUTE FOR PROMOTING INVENTION AND INNOVATION
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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