摘要:
A silver halide photographic material comprising a support and one or more layers, at least one layer containing a compound of the following formula (1) and at least one compound selected from among the compounds of the following formulae (II), (III) and (IV) is disclosed: Formula (I) (wherein A and B each represent non-metallic atoms necessary to form a hereto ring; and X is a negative ion) Formul (II) Wherein R, is a hydrogen atom, a hydroxyl group, the same or different halogen atoms, an alkyl group which may have a substituent, an aralkyl group which may have a substituent, an alkoxy group which may have a substituent, an acyl group which may have a substituent, a carboxymethyl group which may have a substituent, -COOM or -SO 3 M group, (wherein M is a hydrogen atom, an alkali metal atom or an ammonium group); R 2 is a -COOM or S0 3 M group, (wherein M is as defined above); and n is an integer of 1, 2, or 3.) Formula (III) (wherein R 3 has the same meaning as R 2 defined above; and n 2 is the same as n 1 defined above) Formula (IV) (wherein R4 has the same meaning as R 2 defined above; and n 3 and n 4 each is an integer of 0 or 1 but they are not both 0, and n 5 is an integer of 1 or 2.
摘要:
A silver halide photographic material is disclosed. It has formed on a support at least one photographic constitution layer containing at least one compound of the formula: wherein A is a carbonyl group or a sulfonyl group; R, is an aliphatic group, an aromatic group or a heterocyclic group; R 2 and R 3 are each a hydrogen atom, a hydroxyl group, an alkyl group, -S0 3 M (wherein M is a monovalent cation), a halogen atom or -COOR 4 (wherein R 4 is a monovalent cation or an aliphatic or aromatic group), provided that at least one of R 2 and R 3 is -COOR 4 ; and n is an integer of 0 to 6.
摘要:
Disclosed is a light-sensitive silver halide photographic material for X-ray photography, characterized in that the material has the characteristic curve whose gamma between optical densities of 0.50 and 1.50 is 2.7 to 3.3 and gamma between optical densities of 2.00 and 3.00 is 1.5 to 2.5, when processed by use of a prescribed developer.
摘要:
A silver halide photographic material capable of producing a photographic image of good quality even when it is subjected to rapid processing at high pHs and temperatures is disclosed. This photographic material comprising a support and one or more layers at least one layer containing a compound of formula (I) and at least one compound selected from the group consisting of a compound having an alkylene oxide chain with a molecular weight of 250 or more which is selected from a polyalkylene glycol and a condensation product of alkylene oxide and an organic compound having active hydrogen: Formula (I) (wherein A and B each represents non-metallic atoms necessary to form a hetero ring; X is a negative ion)