摘要:
Disclosed is a silver halide photographic material comprising a compound represented by the general formula (I), (II), or a salt thereof or a compound represented by the general formula (III), with these groups being defined as in the specification: ##STR1## also disclosed is a method for the processing of a silver halide photographic material, which comprises processing a silver halide photographic material in the presence of a compound represented by the general formula (I) or (II) or a salt thereof or a compound represented by the general formula (III).
摘要:
A water-soluble benzimidazolotriazole derivative of formula (I): ##STR1## wherein X represents a sulfo group, a sulfonato group or a --N--(R).sub.2 group, R represents an alkyl group having 6 carbon atoms or less; and n represents a natural number of 8 or less. The benzimidazolotriazole derivative of formula (I) may form a salt with an organic or inorganic acid.
摘要:
Disclosed is a silver halide color photographic photosensitive material in which the spectral sensitivity in the green short wavelength region is increased and which has excellent storage stability. The photosensitive material is sensitized by a selenium sensitizer represented by formula (I). Also, a green light sensitive photosensitive silver halide emulsion layer has been spectrally sensitized with a sensitizing dye represented by formula (II). ##STR1##
摘要:
A silver halide photographic material comprising a support and at least one silver halide emulsion layer on the support, wherein at least one compound represented by general formula (I) is contained in the silver halide emulsion layer or another hydrophilic colloid layer:A--B m(I)wherein A represents a blocking group capable of releasing B during processing, and B represents a group capable of releasing a residual color improving agent which satisfies Condition 1 after being released from A--B, and is linked to A via a hetero atom in B.Condition 1:When a 2 ml aqueous solution of 4.0.times.10.sup.-4 mole/l of anyhydro-5,5'-dichloro-9-ethyl-3,3'-bis(3-sulfopropyl)-thiacarbocyanine hydroxide.pyridinium salt is mixed with a 1 ml aqueous solution of 1.0.times.10.sup.-1 mole/l of potassium chloride, and 4 ml of an aqueous solution of 8.0.times.10.sup.-2 mol/l of the residual color improving agent are further added to this mixture, which is then diluted with water to a set volume of 10 ml to form a diluted aqueous solution, the molecular extinction coefficient of this diluted aqueous solution at 624 nm is 1.0.times.10.sup.5 or less.
摘要:
The present invention provides a silver halide color photographic photosensitive material which has high saturation, excellent color reproduction and excellent graininess, the material comprising a silver halide emulsion layer which imparts an interlayer effect to a red sensitive silver halide emulsion layer is spectrally sensitized with a sensitizing dye represented by formula (I) and contains a development inhibitor releasing compound represented by formula (II). ##STR1##
摘要:
A process for processing a silver halide black and white photographic material, which comprises processing, after imagewise exposing, a silver halide black and white photographic material spectrally sensitized by a sensitizing dye with a processing solution containing at least one compound satisfying the following condition 1 and/or a salt thereof in an amount of at least 5.times.10.sup.-5 mol/liter;Condition 1:when 4 ml of an aqueous solution of 8.0.times.10.sup.-2 mol/liter of the compound is added to a mixture of 2 ml of an aqueous solution of 4.0.times.10.sup.-4 mol/liter of anhydro-5,5'-dichloro-9-ethyl-3,3'-bis(3-sulfopropyl)thiacarbocyanine hydroxide.pyridinium salt and 1 ml of an aqueous solution of 1.0.times.10.sup.-1 mol/liter of potassium chloride and the resultant solution is diluted with water to 10 ml, the molecular extinction coefficient of the aqueous solution at 624 nm is not higher than 1.0.times.10.sup.5.
摘要:
A novel silver halide photographic material comprising at least one methine compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents --(CH.sub.2).sub.r --CONHSO.sub.2 --R.sup.3, --(CH.sub.2).sub.s --SO.sub.2 NHCO--R.sup.4, --(CH.sub.2).sub.t --CONHCO--R.sup.5 or --(CH.sub.2).sub.u --SO.sub.2 NHSO.sub.2 --R.sup.6 in which R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represents an alkyl group, alkoxy group or amino group, r, s, t and u each represents an integer 1 to 5; and R.sup.2 represents has the same meaning as R.sup.1 or represents an alkyl group; Z.sup.1 and Z.sup.2 each represents a nonmetallic atom group required to form a 5- or 6-membered heterocyclic group; p and q each represents an integer 0 or 1; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; m represents an integer 0 to 2; X represents an anion; and k represents an integer required to adjust the charge in the molecule to 0. The silver halide photographic material may comprise at least one methine compound represented by the general formula (I) and at least one water-soluble dye.
摘要:
A silver halide photographic light-sensitive material comprising a support having thereon at least one light emulsion layer containing (A) at least one of the methine compounds represented by the following formula (I) and (B) at least one of the methine compounds represented by the following formula (II) or (III): ##STR1## wherein Z.sup.1, Z.sup.2, R.sup.1, R.sup.2, L.sub.1 -L.sub.8, p, q, k.sub.1 -k.sub.3, n.sub.1 -n.sub.3 and X.sub.1 -X .sub.3 are as defined in the specification.
摘要:
Disclosed is a silver halide photographic material for medical use, in which the coated amount of silver per surface of the support is 2.8 g/m.sup.2 or less, the silver halide grains in the coated silver halide emulsion layer have a silver chloride content of 10 to 50 mol %, they contain 10.sup.-8 mol or more, per mol of silver, of an iridium compound and they have been spectrally-sensitized to be sensitive to rays of from 600 to 700 nm wavelength range. The material may be processed by rapid processing and has a high sensitivity and high covering power. Also disclosed is a silver halide photographic material for laser exposure, in which the emulsion contains 10.sup.-8 mol or more, per mol of silver, of an iridium compound and is spectrally-sensitized with a sensitizing dye of formula (III): ##STR1## where V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, V.sub.7 and V.sub.8 each represent a hydrogen atom or a monovalent substituent, and they satisfy the following conditions:where f value of Vk (k=1 to 8) is Vkf,A.sub.1 =V.sub.1 f+V.sub.2 f+V.sub.3 f+V.sub.4 f, andA.sub.2 =V.sub.5 f+V.sub.6 f+V.sub.7 f+V.sub.8 f;then A.sub.1
摘要:
A method for processing a black-and-white photosensitive material comprising the steps of:(a) exposing a silver halide photosensitive material having been spectrally sensitized with a sensitizing dye;(b) developing the exposed material;(c) fixing the developed material; and(d) thereafter at least one step selected from washing the material and stabilizing the material;at least one of the fixing, washing and stabilizing steps being performed in the presence of at least one compound represented by formula (I) or (II) or a salt thereof; ##STR1## wherein A represents an atomic group necessary for forming a saturated or unsaturated 3-membered to 8-membered ring comprising at least one hetero atom selected from an oxygen atom, a nitrogen atom, a sulfur atom and a selenium atom; and M represents a hydrogen atom or a counter cation; andX--(R.sub.1 --S).sub.n --R.sub.2 --S--R.sub.3 --Y (II)wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents an alkylene group; R.sub.1 and R.sub.3 may be linked to form a ring, R.sub.2 and R.sub.3 may be linked to form a ring; X and Y, which may be the same or different, each represents a hydrogen atom, an alkyl group, an amino group, an ammonio group, a hydroxyl group, a carboxyl group, a sulfo group, an aminocarbonyl group or an aminosulfonyl group, and X and Y may be linked to form a ring; and n is an integer of from 0 to 10.