Fuji Photo Film Company, Limited

Nobuo Sakai

Takatoshi Ishikawa

Masakazu Morigaki

Nobuo Furutachi

Minoru Sakai

Osamu Takahashi

Hiroyuki Mifune

Nobuo Seto

Kotaro Nakamura

Tsumoru Hirano

Shunji Takada

Yoshitaka Akimura

Shigeru Ohno

Keiji Mihayashi

Yoshiharu Yabuki

Kazunobu Katoh

Yoshio Inagaki

Masaki Okazaki

Akira Ogawa

Hiroshi Hayashi

Hidetoshi Kobayashi

Yoshihiro Fujita

Akira Abe

Junichi Yamanouchi

Tadahisa Sato

Hideaki Naruse

Kozo Aoki

Toshio Kawagishi

Tadao Shishido

Takeshi Hirose

Masahiro Asami

Shinpei Ikenoue

Harumi Katsuyama

Takao Masuda

Kiyoshi Nakazyo

Toshiyuki Watanabe

Akio Mitsui

Yoshimasa Aotani

Junya Nakajima

Yukio Yokota

Hiroshi Ishibashi

Shigetoshi Ono

Genichi Furusawa

Masaharu Toriuchi

Makoto Umemoto

Nobuyoshi Sekikawa

Yoshinobu Yoshida

Seiki Sakanoue

Shigeaki Otani

Yoshio Seoka

Yasuhito Momoki

Fuyuhiko Mori

Kiyoshi Imai

Ryosuke Ishida

Satoshi Ota

The present invention provides a method for forming color images by processing in a short period of time color photographic materials containing at least one oil-soluble coupler with a color developer which does not substantially contain benzyl alcohol, wherein a silver halide color photographic material having at least one silver halide emulsion layer on a reflective support, the emulsion layer containing a dispersion of oleophilic fine grains having a mean grain size of 0.25 .mu.m or less, which contain a coupler capable of forming a dye after having been coupled with an oxidation product of an aromatic primary amine developing agent, and at least one high boiling organic solvent having a dielectric constant of 4.00 or more (25.degree. C., 10 KHz). The photographic material is imagewise exposed and then subjected to development with a color developer which contains an aromatic primary amine developing agent but does not substantially contain benzyl alcohol for 2 minutes and 30 seconds or less.

Method for the formation of color images

A silver halide color photographic material comprising a reflective support having provided therein a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a red-sensitive silver halide emulsion layer and plural light-insensitive layers, wherein the blue-sensitive silver halide emulsion layer contains a monodisperse silver halide emulsion and a yellow coupler represented by formula (I) defined below, and at least one light-insensitive layer which is positioned farther from the reflective support than the blue-sensitive silver halide emulsion layer is a hydrophilic colloid layer containing at least one hydrophobic compound represented by formula (II) defined below, and a relative refractive index of an organic phase containing the hydrophobic compound with the exception of a volatile organic solvent and an amphipathic solute to a hydrophilic polymer thin film which forms the light-insensitive layer is in a range from 0.9875 to 1.0125; wherein said yellow coupler is represented by formula (I) ##STR1## wherein R.sub.1 represents a halogen atom or an alkoxy group; R.sub.2 represents a hydrogen atom, a halogen atom, or an alkoxy group; A represents --NHCOR.sub.3, --NHSO.sub.2 R.sub.3, --SO.sub.2 NHR.sub.3, --COOR.sub.3 or ##STR2## each represents an alkyl group; and Y represents a group which is capable of being released upon a coupling reaction with an oxidation product of a developing agent and is connected to the coupling position through an oxygen atom or a nitrogen atom; and wherein said hydrophobic compound is represented by formula (II) ##STR3## wherein R.sub.5, R.sub.6, R.sub.7, R.sub.8 and R.sub.9 each represents a hydrogen atom, a halogen atom, a nitro group, a hydroxy group, an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an acyloxy group, an aryloxy group, an alkylthio group, an arylthio group, a mono- or di-alkylamino group, an acylamino group or a 5-membered or 6-membered heterocyclic group containing an oxygen atom or a nitrogen atom; or R.sub.8 and R.sub.9 are connected together to form a 5-membered or 6-membered aromatic carbon ring. The silver halide color photographic material has sufficiently high color forming properties, particularly in the blue-sensitive emulsion layer thereof, is suitable for a rapid processing, and is excellent in processing stability.

Silver halide photographic material

This invention provides a processing method for an exposed silver halide color photographic material, which enables cut-down of the times required for bleaching-and-fixing and for washing and yet affords a stable image excellent in color reproduction. The processing method of this invention is characterized in that the silver halide color photographic material is developed with a color developing solution substantially free of benzyl alcohol, and that the thus developed photographic material is subjected to bleaching-and-fixing for a time of not more than 70 seconds and then subjected to washing for a time of not more than 70 seconds. Another important aspect of the invention resides in the use of a magenta coupler in the processing method with a merit that a stable colored image having excellent hue is developed without the fear of formation of stains although the times for the bleaching-and-fixing and for the washing are shortened remarkedly.

Processing method for silver halide color photographic material

There are disclosed a multilayer silver halide color photographic material comprising two kinds of cyan couplers and a multilayer silver halide color photographic material comprising two kinds of cyan couplers, a magenta coupler, and a yellow coupler in respective photosensitive layer. The disclosure as described provides a multilayer silver halide color photographic material that is good in color-forming property, that will be less stained, and that is improved in image-lasting quality and in fastness under severe conditions.

Silver halide color photographic material

A silver halide color photographic material comprised of a support having thereon at least three kinds of silver halide emulsion layers each sensitive to radiation each having a different spectral region; at least one of said silver halide emulsion layer containing the combination of a coupler represented by formula (I), a compound represented by formula (II) and a compound represented by formula (III), and the amount of the compound represented by formula (III) being not more than 30 mol % based on the amount of the coupler represented by formula (I) or the amount of the compound represented by formula (III) being more than 30 mol % based on the amount of the coupler represented by formula (I), excluding the compounds represented by formula (III) where both substituent groups at the ortho-positions against the hydroxyl group are tert-alkyl group: ##STR1## wherein the compound is as defined in the specification; ##STR2## wherein the compound is as defined in the specification; ##STR3## wherein the compound is as defined in the specification. The color photographic material provides excellent resistance to light fading and staining of white areas, particularly with respect to the magenta dye image.

Silver halide color photographic material containing a magenta couplers

A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein in at least one silver halide emulsion layer contains a compound represented by the following general formula (I) ##STR1## wherein Z represents an oxygen atom or a sulfur atom; R.sub.101 and R.sub.102, which may be the same or different, represent each an alkyl group and at least one of R.sub.101 and R.sub.102 is a butyl group, a pentyl group, a hexyl group, a heptyl group or an octyl group; 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, which may be the same or different, each represent a hydrogen atom, a halogen atom, an alkyl group, an acyl group, an acyloxy group, an alkoxycarbonyl group, a carbamoyl group, a sulfamoyl group, a carboxyl group, a cyano group, an alkoxy group, an alkylthio group, an alkylsulfonyl group, a sulfo group or an aryl group; of V.sub.1 to V.sub.8, two groups attached to neighboring carbon atoms do not combine together to form a condensed ring, and when each Hammett's .sigma.p value is referred to as .sigma.pi(i=1.about.8) and Y=.sigma.p1+.sigma.p2+.sigma.p3+.sigma.p4+.sigma.p5+.sigma.p6+.sigma.p7+.s igma.p8, Y.ltoreq.-0.08 where Z is an oxygen atom or Y.ltoreq.-0.15 where Z is a sulfur atom; X represents a counter ion; and n represents a value required for the neutralization of electric charge; and the ratio (V.sub.o /V.sub.g) of the total volume (V.sub.o) of oil droplets present in said silver halide emulsion layer to the total volume (V.sub.g) of hydrophilic colloid present therein is 0.8 or greater.

A method for processing silver halide photosensitive materials comprises replenishing each of replenishers to water washing process and/or stabilization process in an amount of 1 to 50 times the volume of a solution carried over from a bath preceding the water washing process and/or the stabilization process per unit area of the photosensitive material and limiting the amount of calcium compounds included in a layer for constituting photograph of the photosensitive material to not more than 25 mg/m.sup.2 on the basis of the weight of elemental calcium. The method makes it possible to effectively suppress the contamination of the processed photosensitive materials, the increase in turbidity of the water washing and/or stabilization bath solutions and the proliferation of bacteria or molds in these baths. These effects are further enhanced by reducing the amount of calcium and magnesium present in the replenishers for washing and/or stabilization.

Method for processing silver halide photosensitive material having a

A silver halide color photographic material comprising a support having thereon a cyan coupler-containing layer, a magenta coupler-containing layer and a yellow coupler-containing layer, wherein the cyan coupler-containing layer contains a dispersion of oleophilic fine particles which is obtained by emulsifying or dispersing a solution containing (a) at least one cyan coupler represented by the general formula (I) and/or (II) described below, (b) at least one compound represented by the general formula (III) described below and (c) at least one water-insoluble and organic solvent-soluble homopolymer or copolymer, ##STR1## wherein R.sub.1, R.sub.2, and R.sub.4 each represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group, R.sub.3, R.sub.5 and R.sub.6 each represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group or an acylamino group, and R.sub.3 may represent a non-metallic atomic group necessary to form a nitrogen-containing 5-membered or 6-membered ring together with R.sub.2, Y.sub.1 and Y.sub.2 each represents a hydrogen atom or a group capable of being released upon a coupling reaction with an oxidation product of a developing agent, and n represents 0 or 1, ##STR2## wherein R.sub.7 R.sub.8, R.sub.9, R.sub.10 and R.sub.11, which may be the same or different, each represents a hydrogen atom, a halogen atom, a nitro group, a hydroxy group, an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an acyloxy group, an aryloxy group, an alkylthio group, an arylthio group, a mono- or di-alkylamino group, an acylamino group or a 5-membered or 6-membered heterocyclic group containing an oxygen atom or a nitrogen atom, and R.sub.10 and R.sub.11 may combine with each other to form a 5-membered or 6-membered aromatic ring. The silver halide color photographic material exhibits excellent stability of coating solution therefor and provides cyan color image having improved fastness both to heat, to humidity and heat and to light.

There is provided a silver halide color photographic material containing a 6-hydroxychroman derivative in combination with a specific coupler, i.e., a 5-pyrazolone type magenta coupler having an -SR group at the coupling position or a 5-pyrazolone type magenta coupler having an anilino group at the 3-position. The photosensitive material provides photographic images, quality of which is prevented from deteriorating as time passes. The photographic color images are free from discoloration or fading and do not form yellow stains on a white background.

6-hydroxychroman derivative

A silver halide color photographic material comprising photographic constituent layers containing at least one light-sensitive silver halide emulsion layer and at least one light-insensitive layer on a reflective support, wherein at least one of the photographic constituent layers comprises at least one dye represented by formula (I), at least one of the light-sensitive silver halide emulsion layers comprises silver halide grains substantially comprising silver chloride and the reflective support comprises 3.0 g/m.sup.2 or more of titanium oxide: ##STR1## wherein R.sub.1 and R.sub.2 each represents an alkyl group, an aryl group, a cyano group, --COOR.sub.5, --CONR.sub.5 R.sub.6, --COR.sub.7, --SO.sub.2 R.sub.7, --SOR.sub.7, --SO.sub.2 NR.sub.5 R.sub.6, --OR.sub.5, --NR.sub.5 R.sub.6, --NR.sub.6 COR.sub.7, --NR.sub.5 CONR.sub.5 R.sub.6 or --NR.sub.6 SO.sub.2 R.sub.7 in which R.sub.5 and R.sub.6 each represents a hydrogen atom, an alkyl group or an aryl group, R.sub.7 represents an alkyl group or an aryl group, and R.sub.5 and R.sub.6 or R.sub.6 and R.sub.7 may be connected to eachother to form a 5- or 6-membered ring; R.sub.3 and R.sub.4 each represents a hydrogen atom or an alkyl group; Q.sub.1 and Q.sub.2 each represents an aryl group; X.sub.1 and X.sub.2 each represents a bond or divalent connecting group; Y.sub.1 and Y.sub.2 each represents a sulfo group or a carboxyl group; L.sub.1, L.sub.2 and L.sub.3 each represents a substituted or unsubstituted methine group; n represents an integer 0, 1 or 2; m.sub.1 and m.sub.2 each represents an integer 1 or 2; p.sub.1 and p.sub.2 each represents an integer 0, 1, 2, 3 or 4; and q.sub.1 and q.sub.2 each represents an integer 1, 2 or 3.

A silver halide color photographic material comprising a support having thereon at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer, where the red-sensitive halide emulsion layer contains a dispersion of oleophilic fine particles which is obtained by emulsifying or dispersing a solution containing at least one cyan coupler represented by the general formula (I) and at least one water-insoluble and organic solvent-soluble homopolymer or copolymer, the green-sensitive silver halide emulsion layer contains at least one magenta coupler represented the general formula (II) or (III), the blue-sensitive silver halide emulsion layer contains at least one yellow coupler represented by the general formula (IV), and the silver halide color photographic material contains at least one compound represented by the general formula (B): ##STR1## Moieties are defined in the specification. The multilayer silver halide color photographic material of the present invention is good in color forming property, improved in image preservability, and free from adverse changes in color balance, as well as having high sensitivity and exhibiting less change in sensitivity with the lapse of time.

Silver halide color photographic material which forms a color

A process for processing a silver halide color photographic material is disclosed which comprises processing a silver halide color photographic material containing at least one compound represented by formula (I) or (II): ##STR1## wherein R.sub.1 and R.sub.2 each represents an aliphatic group, an aromatic group, or a heterocyclic group; A represents a group forming a chemical bond by reaction with an aromatic primary amine color developing agent; n represents 0 or 1; X represents a group released on reaction with an aromatic primary amine color developing agent; B represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, or a sulfonyl group; and Y represents a group accelerating the addition of an aromatic primary amine color developing agent to the compound of formula (II), and said R.sub.1 and X or said Y and R.sub.2 or B may combine with each other to form a ring, with a color developer prepared by diluting a concentrated color developer composition containing from 90 ml/liter to 600 ml/liter of benzyl alcohol and from 0.07 mol/liter to 0.5 mol/liter of an aromatic primary amine color developing agent.

Process for processing silver halide color photographic materials

A silver halide color photographic material containing new dye image-forming couplers consisting of polymer couplers obtained by a polymerization reaction which employs a chain transfer agent having 8 or more carbon atoms. The silver halide color photographic material exhibits a high sensitivity and a high color-forming property.

A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, said silver halide emulsion layer containing a pyrazoloazole series magenta coupler represented by general formula [I] ##STR1## wherein, R.sup.1 and R.sup.2 each represents a hydrogen atom or a substituent; and X represents a hydrogen atom or a releasing group which is released at the reaction with the oxidation product of an aromatic primary amine developing agent; at least one of said R.sup.1 and R.sup.2 is an alkyl group having a secondary or tertiary carbon atom directly bonded to the skeleton, at least one of said R.sub.1 and R.sub.2 is a sulfonamidoalkyl group or a sulfamoylalkyl group; and the magenta coupler may form a dimer or more polymer at the position of said R.sup.1, R.sup.2 or X. By the combined use of high boiling point organic solvent and ultraviolet absorbent, light fastness and coloring property are markedly improved.

Silver halide color photographic materials containing novel magenta

A method of forming a color image and a silver halide color photographic material comprising a reflective support having thereon at least one light-sensitive layer containing at least one coupler which forms a dye upon a coupling reaction with an oxidation product of an aromatic primary amine color developing agent and a silver halide emulsion which contains at least 80% by mol of silver chloride and substantially no silver iodide the method comprising processing with a color developing solution which contains not more than 0.002 mol of a bromine ion per liter and substantially no benzyl alcohol for a development time of not more than 2 minutes and 30 seconds in the presence of at least one compound represented by the following formulae (I), (II), or (III), as defined in the specification. The method of forming a color image and the silver halide color photographic material according to the present invention enable rapid processing to be conducted while controlling the fog formation with high sensitivity.

Method of forming a color image and silver halide color photographic

Growing community of inventors

Kanagawa, Japan

Nobuo Sakai