摘要:
There is provided a method for processing a silver halide color photographic material which comprises processing the silver halide color photographic material with a color developer containing an aromatic primary amine color developing agent and a specific amino compound. According to this method the stability and color forming property of a color developer are improved so that the increased fogging problem in continuous processing is lessened and the processing time is shortened. There is also provided a color developer composition which can be used as the developer, as it is or after adjusting its composition.
摘要:
A method of processing a silver halide color photographic material in which the color developer used comprises an aromatic primary amine color developing agent and a compound of formula: ##STR1## wherein X represents a trivalent group necessary to complete a condensed ring;R.sup.1 and R.sup.2 each represents an alkylene group, an arylene group, an alkenylene group, or an aralkylene group;and, if desired, does not contain a substantial amount of benzyl alcohol to achieve improved stability and color developability of the color developer and a reduction of fog generation in the running development process.
摘要:
A method for forming a direct positive color image by image-wise exposing to light a light-sensitive material having at least one internal latent image type silver halide emulsion layer which is unfogged and color image-forming couplers on a support; either (1) subjecting the resulting material to fogging exposure to light and/or processing it with a nucleating agent before development, and then developing the resulting material with a surface developing solution containing an aromatic primary amine type color developing agent, or (2) developing the material after the image-wise exposure with a surface developing solution containing an aromatic primary amine type color developing agent under fogging exposure and/or in the presence of a nucleating agent; and bleach-fixing the resulting material, wherein the color developing solution contains at least one compound selected from the group consisting of compounds represented by the following general formulae (I), (II), (III) and (IV): ##STR1## wherein X represents --CO--, --SO.sub.2 -- or ##STR2## and R.sup.1 and R.sup.2 represents various familiar group; ##STR3## wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6 represent various familiar groups; ##STR4## wherein R.sup.7 and R.sup.8 represent various familiar groups; ##STR5## wherein Y represents a trivalent atomic group necessary for completing a condensed ring, m represents an integer of 0 to 4, and n represents an integer of 1 to 5.Stability of the color developing solutions with time lapse is excellent, which makes stable continuous process of color photographic light-sensitive materials possible over a long period.
摘要:
A method for processing a silver halide color photographic material including the step of developing the silver halide color photographic material with a color developing solution containing at least one aromatic primary amine developing agent and at least one hydrazide represented by the following formula (I) or (II)R.sup.1 --X.sup.1 --NHNH--R.sup.2 (I)in whichX.sup.1 represents --CO--, --SO.sub.2 -- or ##STR1## R.sup.1 represents a hydroxyl group, a hydroxyamino group, carbamoyl group, a hydrazinocarbonyl group, an amino group, or a hydrazino group; and R.sup.2 represents a hydrogen atom, an alkyl group, or an aryl group; provided that the R.sup.1 or R.sup.2 groups of at least two of the hydrazide groups may be linked to form a dimer or higher polymer of the hydrazide.R.sup.3 --X.sup.2 --NHNH--R.sup.4 (II)in whichX.sup.2 represents --CO-- or --SO.sub.2 --; R.sup.3 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, or an aryloxy group; and R.sup.4 represents a hydrogen atom, an alkyl group or an aryl group; provided that the R.sup.3 or R.sup.4 groups of at least two of the hydrazide groups may be linked to form a dimer or higher polymer of the hydrazide. The method provides increased developer stability and reduced fog formation, particularly in continuous processing.
摘要:
A method for processing a silver halide color photographic material comprising the step of processing a silver halide color photographic material after imagewise exposure thereof with a color developer containing at least one aromatic primary amine developing agent and at least one hydrazine compound represented by formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4, which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R.sup.1 and R.sup.2 may be linked to form a heterocyclic ring; R.sup.3 and R.sup.4 may be linked to form a heterocyclic ring; and at least two hydrazine moieties derived from the compound represented by formula (I) may be linked to form a dimer or polymer by any of R.sup.1, R.sup.2, R.sup.3, and R.sup.4.
摘要:
A method of processing a silver halide color photographic material in which the color developer used comprises an aromatic primary amine color developing agent and a compound of formula: ##STR1## wherein X represents a trivalent group necessary to complete a condensed ring;R.sup.1 and R.sup.2 each represents an alkylene group, an arylene group, an alkenylene group, or an aralkylene group;and, if desired, does not contain a substantial amount of benzyl alcohol to achieve improved stability and color developability of the color developer and a reduction of fog generation in the running development process.
摘要:
A method for processing silver halide color photographic material is disclosed which comprises processing a silver halide color photographic material with a color developer containing substantially no sulfite ion and then processing the color photographic material with a solution having bleaching capability containing an aminopolycarboxylic acid having a molecular weight of at least 300.
摘要:
A method for processing a silver halide color photographic material is described, which comprises processing a silver halide color photographic material comprising a reflective support having thereon at least one silver halide emulsion layer for a period of 2 minutes and 30 seconds or less with a color devleoping solution which does not substantially contain benzyl alcohol and which contains at least one of compounds selected from the group consisting of a compound represented by formula (I), a compound represented by formula (II), hydantoic acid, allylamine, aminoguanidine, o-aminobenzoic acid, L-(+)-cysteine, benzylamine, DL-serine, morpholine, N-hydroxyethyl morpholine, o-aminobenzyl alcohol, quinuclidine, or salts thereof, tetramethylammonium acetate, choline, or choline chloride, ##STR1## wherein R.sup.1 represents a hydroxyalkyl group having from 2 to 10 carbon atoms; and R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group having from 1 to 10 carbon atoms, a hydroxyalkyl group having from 2 to 20 carbon atoms or a group represented by the formula ##STR2## wherein n represents an integer from 1 to 10; and X and Y each represents a hydrogen atom, an alkyl group having from 1 to 10 carbon atoms, or a hydroxyalkyl group having from 2 to 10 carbon atoms. ##STR3## wherein R.sup.4 represents an alkyl group having from 1 to 10 carbon atoms; R.sup.5 and R.sup.6 each represents a hydrogen atom or an alkyl group having from 1 to 10 carbon atoms.In accordance with this method for processing a silver halide color photographic material, color images having high coloring property can be obtained within a short period of a color developing time without substantially using benzyl alcohol, which is disadvantageous in view of environmental pollution, in the color developing solution.The effect of the present invention is particularly remarkable in the case wherein the silver halide color photographic material contains a pyrazoloazole type magenta coupler represented by formula (III) as described in the specification.
摘要:
A method for processing a silver halide color photographic material containing at least one pyrazoloazole magenta coupler represented by general formula (I), which comprises processing the light-sensitive material, after imagewise exposure, with a color developer containing an aromatic primary amine color developing agent and at least one member selected from among hydrazines and hydrazides represented by general formula (II): ##STR1## wherein R.sub.11 represents a hydrogen atom or a substituent, X represents a hydrogen atom or a group capable of being eliminated by a coupling reaction with an oxidation product of an aromatic primary amine developing agent, Za, Zb and Zc each represents a methine group, a substituted methine group, .dbd.N-- or --NH--, provided that one of the Za-Zb bond and the Zb-Zc bond is a double bond and the other is a single bond and, when Zb-Zc is a carbon-to-carbon double bond, it may be a part of an aromatic ring, and a dimer or higher polymer may be formed at R.sub.11 or X, or, when Za, Zb or Zc represents a substituted methine group, a dimer or higher polymer may be formed at the substituted methine group; ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represents a hydrogen atom, an alkyl group, an aryl group or a meterocyclic group, R.sup.4 represents a hydrogen atom, a hydroxy group, a hydrazino group, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, a carbamoyl group or an amino group, X.sup.1 represents a divalent group, and n represents 0 to 1, provided that, when n is 0, R.sup.4 represents an alkyl group, an aryl group or a heterocyclic group, and that R.sup.3 and R.sup.4 may together form a heterocyclic ring.
摘要:
The present invention relates to a method of processing a silver halide color photosensitive material. In particular, to a rapid processing method capable of reducing the development time. In the processing method, an exposed silver halide color photosensitive material having at least one emulsion layer containing a silver halide having a chlorine content of at least 80 molar % based on the total halogens is processed with a color developer containing an aromatic primary amine color developing agent and a dialkylhydroxylamine of the following general formula (I) but substantially free of benzyl alcohol: ##STR1## wherein R.sup.1 and R.sup.2 each represent an unsubstituted or substituted alkyl group or an unsubstituted or substituted alkenyl group or R.sup.1 and R.sup.2 may form a hetero ring together with nitrogen atom.