Phenylthiophenyl ketones

Details Phenylthiophenyl ketones Phenylthiophenyl ketones

1992-06-30

1994-03-01

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 60, 430512, C07D33322, C07D40902, G03C 1815

Patent

active

052909522

ABSTRACT:
The novel compounds of formula ##STR1## wherein n and R are as defined in claim 1, are very suitable for use as UV absorbers in layers of photographic materials.

REFERENCES:
patent: 3785827 (1974-01-01), Piller et al.

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