Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1982-03-29
1984-07-10
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549303, 549310, 430253, 430927, C07D20948, C07D30789, C07D30790
Patent
active
044594143
ABSTRACT:
Novel tetrasubstituted phthalic acid derivatives of the formula ##STR1## are described, in which Y.sub.1 and Y.sub.2 are oxygen and Y is ##STR2## or --O--, or one of Y.sub.1 and Y.sub.2 is oxygen and the other is .dbd.N--R" and Y is --O--, and m, n, X, R, R' and R" are as defined in claim 1. The compounds (I) are suitable as sensitizers for photocrosslinkable polymers or as initiators for the photopolymerization of ethylenically unsaturated compounds or for the photochemical crosslinking of polyolefins.
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Rubner et al., "Photographic Sci. and Engin.", vol. 23(5), Sep./Oct. 1979, pp. 303-309.
Fischer Walter
Zweifel Hans
Ciba-Geigy Corporation
Daus Donald G.
Hall Luther A. R.
Teoli, Jr. William A.
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