METHOD FOR STABILIZING MAGENTA COUPLER AND CORRESPONDING PICTURE DYE IN PHOTOGRAPH MATERIAL

PURPOSE: To stabilize a magenta coupler and a corresponding image dye in a photographic material by using a specified compd. containing a benzoyl group. CONSTITUTION: The compd. expressed by the formula is used for stabilizing substantially all type magenta coupler in the photographic material. Thes...

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Bibliographische Detailangaben
Hauptverfasser: HENRI DOUBASU, DEBITSUTO JII RETSUPAADO, DEBITSUTO EICHI SUTAINBERUKU
Format: Patent
Sprache:eng
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