Benzotriazole based uv absorbing monomers and photographic eleme

Details Benzotriazole based uv absorbing monomers and photographic eleme Benzotriazole based uv absorbing monomers and photographic eleme

1995-03-09

1996-09-10

Morris, Patricia L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548259, C07D24920

Patent

active

055547591

ABSTRACT:
An ultraviolet absorbing monomer of formula (A): ##STR1## wherein: R.sub.4 and R5 are, independently, a substituted or unsubstituted alkylene with or without intervening oxygen, sulfur or nitrogen atoms; R.sub.6 is H or a substituted or unsubstituted methyl; and the benzo ring, the hydroxy substituted phenyl ring and the phenyl ring of the styryl group may be further substituted or unsubstituted. A method of making such monomers and photographic elements containing UV absorbing polymers formed from such monomers are also provided.

REFERENCES:
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patent: 3214436 (1965-10-01), Boyle et al.
patent: 3698907 (1972-10-01), Sato et al.
patent: 4785063 (1988-11-01), Slongo et al.
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patent: 5032498 (1991-07-01), Rody et al.
patent: 5234807 (1993-08-01), Texter et al.
patent: 5372922 (1994-12-01), Schofield et al.
Japanese Abstract No. 04198148-A, Derwent Publications 1992.

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