Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate
2005-09-27
2005-09-27
Hightower, P. Hampton (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
C528S026000, C528S125000, C528S128000, C528S170000, C528S171000, C528S172000, C528S173000, C528S176000, C528S183000, C528S188000, C528S220000, C528S229000, C528S350000, C525S420000, C525S422000, C525S423000, C525S436000, C428S411100, C428S413000, C428S447000, C428S457000, C428S458000, C428S473500, C156S329000, C156S330000
Reexamination Certificate
active
06949619
ABSTRACT:
A polyimide resin having phenolic hydroxyl radicals in its skeleton is prepared using a diamine bearing an aromatic ring having an amino radical attached thereto and another aromatic ring having a phenolic hydroxyl radical. The polyimide resin and a composition comprising the polyimide resin, an epoxy resin and a curing agent are suited for use as varnish, adhesive and adhesive film for which adhesion and heat resistance are required.
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Akiba Hideki
Ichiroku Nobuhiro
Shiobara Toshio
Yoshino Masachika
Birch & Stewart Kolasch & Birch, LLP
Hampton Hightower P.
Shin-Etsu Chemical Co. , Ltd.
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