Connolly Bove Lodge & Hutz LLP
Photosensitive compound and photosensitive composition
The present invention relates to a water-soluble photosensitive compound represented by the general formula (1): or by the general formula (2): in the formula, X represents a direct bond, an alkylene group containing 1 to 5 carbon atoms, —CH2O—, —OCH2—, —CH2OCH2—, —O—, —S— or —SO2—, and Z represents —SO3−.Q+, —COO−.Q+ or —SO2NR2, in which Q+ represents Li+, Na+, K+ or N+R4 and R represents a hydrogen atom and/or an alkyl group containing 1 to 5 carbon atoms, said alkyl group optionally having one hydroxy, ether, carbonyl, carbonyloxy or oxycarbonyl group,wherein a photosensitive group has an absorption maximum wavelength of not longer than 305 nm in the ultraviolet absorption spectrum thereof.
Sony Corporation Sanyo Chemical Industries, Ltd.
C C G G C C C C C C
C07C C07C G03F G03F C07C C07C C07C C07C C07C C07C
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Keiko Yasunori Tetsuya Chiyoji Takao
Noda Niwa Watanabe Watanabe Mukai