Radiation imagery chemistry: process – composition – or product th – Imaged product – Including resin or synthetic polymer
Reexamination Certificate
2005-05-17
2005-05-17
Hamilton, Cynthia (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaged product
Including resin or synthetic polymer
C430S280100, C430S285100, C525S451000, C525S502000, C525S507000, C525S508000, C522S107000, C522S108000
Reexamination Certificate
active
06893784
ABSTRACT:
A carboxyl group-containing photosensitive resin is obtained by reacting an unsaturated group-containing monocarboxylic acid (d) with a reaction product (c) of a phenolic novolak resin (a) and an alkylene oxide (b) and further reacting a polybasic acid anhydride (f) with the resultant reaction product (e). A photocurable and thermosetting composition comprising (A) the carboxyl group-containing photosensitive resin mentioned above, (C) a photopolymerization initiator, and (D) an epoxy resin, or further comprising (B) a photosensitive (meth)acrylate compound, preferably further comprising (E) an organic solvent and/or (F) a curing catalyst is useful as an ultraviolet-curable type printing ink, various resists and interlaminar insulating materials to be used in the manufacture of printed circuit boards, or the like.
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Kohiyama Noboru
Ushiki Shigeru
Hamilton Cynthia
Kananen Ronald P.
Rader & Fishman & Grauer, PLLC
Taiyo Ink Manufacturing Co., Ltd.
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