【発明の名称】ハロゲン化銀カラー写真感光材料

Japanese Patent JPH07117732

B2

A silver halide color photographic material containing at least one silver halide emulsion and at least one kind of 5-pyrazolone couplers having the releasable group shown by following formula (I) at the coupling position and at least one kind of the compounds shown by following formula (II): (I) wherein L1 and L2 each represents a methylene group or an ethylene group; l and m each represents 0 or 1; R1 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; R2 represents a group bonded to A by a carbon atom, an oxygen atom, a nitrogen atom or a sulfur atom; A represents a carbon atom or a sulfur atom; n represents 1 when A is a carbon atom, or 1 or 2 when A is a sulfur atom; B represents a carbon atom, an oxygen atom, a nitrogen atom, or a sulfur atom; and X represents an atomic group necessary for forming a ring; said R1 and R2 may combine with each other to form a ring; and when B is a carbon atom or a nitrogen atom, said B and R2 may combine with each other to form a ring; (II) wherein R21 represents a hydrogen atom, a hydroxy group, or a substituted or unsubstituted alkyl, alkenyl, alkoxy, acyl, aryloxy, heterocyclic oxy or acyloxy group and R22 and R23 each represents a substituted or unsubstituted alkyl, alkenyl or heterocyclic group; said R21, R22 and R23 may form together a nitrogen-containing monocyclic or polycyclic heterocyclic ring and the sum of the carbon atom numbers of R21, R22, and R23 is at least 10.

Kozo Aoki
Moriwaki Masakazu

JP18520388A

December 18, 1995

July 25, 1988

Click for automatic bibliography generation  

Fuji Photo Film Co., Ltd.

G03C7/26; G03C7/30; G03C7/305; G03C7/384; G03C7/392; G03C7/32; (IPC1-7): G03C7/384; G03C7/392

JP59229557A
JP59218445A
JP58102231A
JP58105147A

【文献】国際公開88/4795(WO,A)

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