Imaging element containing dye masking coupler

Details Imaging element containing dye masking coupler Imaging element containing dye masking coupler

G - Physics

03

C

96/236

G03C 7/30 (2006.01) G03C 7/18 (2006.01) G03C 7/305 (2006.01) G03C 7/333 (2006.01)

Patent

CA 1299911

-0- IMAGING ELEMENT CONTAINING DYE MASKING COUPLER Abstract of the Disclosure An imaging element is described which comprises a colorless coupler compound which contains an oxidizable lueco dye moiety and optionally a colorless dye image-forming coupler compound. Following color development a masking dye is obtained by oxidation of the leuco dye moiety in areas where no photographic development occurs.

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