Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1994-10-17

1996-07-30

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430558, 430512, 430931, 430607, 430613, G03C 146

Patent

active

055410456

ABSTRACT:
Disclosed is a silver halide color photographic material containing at least one pyrazolotriazole magenta of formula (I) and at least one 1,3,5-triazine compound of formula (II) in the same photographic constitutive layer. ##STR1## wherein R represents a hydrogen atom or a substituent; Za, Zb and Zc each represent a methine group, a substituted methine group, .dbd.N-- or --NH--; Y represents a hydrogen atom or a group capable of splitting off from the formula by coupling reaction with an oxidation product of a developing agent; and the formula may form a dimer or a higher polymer via R, Y or the substituted methine group for Za, Zb or Zc. ##STR2## wherein A, B and C each represent a substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy or substituted or unsubstituted heterocyclic group, provided that at least one of A, B and C represents a group of a general formula (III): ##STR3## wherein R.sub.1 ' and R.sub.2 ' each represent a hydrogen atom, a halogen atom, or a substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, substituted or unsubstituted alkoxy or substituted or unsubstituted aryloxy group.

REFERENCES:
patent: 3061432 (1962-10-01), Menzel et al.
patent: 3843371 (1974-10-01), Puler et al.
patent: 4500630 (1985-02-01), Sato et al.
patent: 4665015 (1987-05-01), Iijima et al.
patent: 4840886 (1989-06-01), Iijima et al.
patent: 5451501 (1995-09-01), Mizukawa et al.

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