Birch, Stewart, Kolasch & Birch, LLP
Polyether resin and coating solution for forming insulation film
The present invention provides a thermosetting polyether resin obtained by polycondensing a dihalogen compound with a bisphenol compound to obtain a polyether resin having a repeating unit represented by the formula (1), and introducing a functional group which causes a cross-linking reaction by heating into the resulted polyether resin; The present invention also provides a polyether resin having a low dielectric constant represented by the formula (3): 
Sumitomo Chemical Company, Limited
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additional inventional additional
Yuji Akira Hyuncheol Sadanobu
Yoshida Yokota Choi Iwase