Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2008-04-22
2008-04-22
Lee, Sin (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S285100, C430S908000, C430S916000, C430S009000, C430S271100, C430S321000, C525S921000
Reexamination Certificate
active
07361450
ABSTRACT:
A photosensitive resin (A) consisting substantially of a product obtained by reacting a polyester (c) which is a reaction product of a polyol (a) with a tetrabasic acid dianhydride (b) with a compound (d) having an ethylenically unsaturated group and an epoxy group in the molecule; an alkali-soluble photosensitive resin (AA) obtained by reacting the photosensitive resin (A) with a di- or tri-basic acid mono-anhydride (e); photosensitive resin compositions prepared by incorporating the above photosensitive resin with a diluent (XX), a crosslinking agent (B) and/or a photopolymerization initiator (C); products of curing of the compositions; and articles equipped with these products. The resins and resin compositions give cured articles which are suitable for the formation of optical waveguides and excellent in processability, transparency, developability, close adhesion, resistance to soldering heat, and so on.
REFERENCES:
patent: 3923523 (1975-12-01), Nishikubo et al.
patent: 5194327 (1993-03-01), Takahashi et al.
patent: 11-337752 (1999-12-01), None
patent: 2001-051415 (2001-02-01), None
patent: 2002-138140 (2002-05-01), None
patent: 2003-2958 (2003-01-01), None
Partial, machine-assited English translation of Jp 2002-138140 (Koyanagi et al), provided by JPO.
Chemical Abstract for JP 2003-2958 (Koyanagi et al).
Derwent Abstract for JP 2003-2958 (Koyanagi et al).
Machine-assisted English translation of JP 2003-2958 (Koyanagi et al), provided by JPO.
Kawada Yoshihiro
Koyanagi Hiroo
Nakayama Koji
Umeyama Chie
Yokoshima Minoru
Lee Sin
Nields & Lemack
Nippon Kayaku Kabushiki Kaisha
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