COLOR-PHOTOGRAPH RECORDING MATERIAL
PURPOSE: To provide a color photographic silver halide material having enhanced sensitivity. CONSTITUTION: This material is a negative type color photographic silver halide material contg. a compd. represented by the formula A-B-(T1 )m -(COUP-D)-(T2 )n in at least one of the silver halide emulsion l...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To provide a color photographic silver halide material having enhanced sensitivity. CONSTITUTION: This material is a negative type color photographic silver halide material contg. a compd. represented by the formula A-B-(T1 )m -(COUP-D)-(T2 )n in at least one of the silver halide emulsion layers. In the formula, A is a ballast group, B is a group of a compd. releasing (T1 )m -(COUP-D)-(T2 )n by reaction during development, each of T1 and T2 is a timing unit releasable during development, each of (m) and (n) is 0 or 1, COUP is a group from a four-equiv. coupler and D is a group having affinity for silver}. |
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