Type of dye in photographic materials

Details Type of dye in photographic materials Type of dye in photographic materials

1997-08-12

1999-05-18

Stockton, Laura L.

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

Organic compounds

Carboxylic acids and salts thereof

548493, 548540, 549488, 560106, 560 19, 562 1, 562433, 562457, 562464, 564163, C07C229/36

Patent

active

059051663

ABSTRACT:
A new type of yellow dyes with general formula Q-CO--CO--X is disclosed. They can be used in photographic materials as antihalation dyes, acutance dyes or filter dyes. Preferably they are incorporated in UV sensitive contact materials for pre-press applications.

REFERENCES:
patent: 5298652 (1994-03-01), Carson et al.
Kiekens et al., CA 121:121613, 1994.
Haruki, CA 87:134654, 1977.

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