Fuji Photo Film Company, Limited

Takeshi Hirose

Nobuo Furutachi

Keisuke Shiba

Toshiaki Aono

Morio Yagihara

Mitsugu Tanaka

Kiyoshi Nakazyo

Yukio Yokota

Jun Hayashi

Takatoshi Ishikawa

Masakazu Morigaki

Hidetoshi Kobayashi

Tadao Shishido

Harumi Katsuyama

Atsuaki Arai

Genichi Furusawa

Akio Okumura

Seiji Ichijima

Tadahisa Sato

Kotaro Nakamura

Seiiti Kubodera

Tadashi Ogawa

Reiichi Ohi

Kozo Inouye

Koji Takahashi

Osamu Takahashi

Shigeo Hirano

Masaki Okazaki

Keiichi Adachi

Akira Abe

Minoru Sakai

Hideaki Naruse

Kozo Aoki

Toshio Kawagishi

Hideki Naito

Toshiyuki Watanabe

Akio Mitsui

Nobuo Sakai

Shoji Ishiguro

Toshiro Takahashi

Yasushi Oishi

Minoru Sasaki

Seiki Sakanoue

Tadao Sakai

Akia Okumura

Genichi Hurusawa

A silver halide color reversal light-sensitive material comprising on a transparent support having a red-sensitive silver halide emulsion layer containing a cyan coupler, a green-sensitive silver halide emulsion layer containing a magenta coupler, and a blue-sensitive silver halide emulsion layer containing a yellow coupler is disclosed, wherein the light-sensitive material has a magnetic recording layer containing from 4.times.10.sup.-3 to 3 g/m.sup.2 of a ferromagnetic powder, and the minimum density area of the light-sensitive material after development processing has a chromaticity having an a* value of from -5 to 5, a b* value of from -5 to 5, and an L* value of not less than 80 as calculated from tristimulus values in CIE 1964 X.sub.10 Y.sub.10 Z.sub.10 Colorimetric System under an illuminant C as specified in JIS Z8720 according to the method of JIS Z8729. The photographic material exhibits improved color reproducibility. The present invention further concerns with a light-shut film unit having the silver halide color reversal light-sensitive material packed in a cartridge, the material having a film leader which is inside of the cartridge.

Silver halide color photographic material

A process for forming a color image wherein a color photographic material is developed with a processing solution containing a solvent for the silver halide in the presence of an aromatic primary amino color devloping agent. The color photographic material comprises, on a support, at least one layer containing (1) a coupler capable of forming a dye by reaction with an oxidized aromatic primary amino color developing agent and having a dye covering power of at least 0.75 and (2) a silver chlorobromide emulsion or silver chlorobromide emulsion containing at least 90 molar % of silver chloride.

Process for forming color image

A process for processing a silver halide color photographic material is described comprising subjecting a silver halide color photographic material comprising a support having provided thereon at least one photographic emulsion layer containing at least one kind of pyrazoloazole series magenta coupler represented by general formula (I) to photographic processing using a bath containing at least 1.times.10.sup.-4 mol/liter of a soluble iron salt as the final bath: ##STR1## wherein Za and Zb each represents .dbd.CH--, (wherein R.sub.2 represents a hydrogen atom or a substituent) or =N-; R.sub.1 represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group releasably upon coupling with the oxidation product of an aromatic primary amine developing agent; when Za=Zb is a carbon-carbon double bond, the double bond may be a part of an aromatic ring; the magenta coupler may form a dimer or polymer at R.sub.1, R.sub.2 or X; when at least one of said Za and Zb is ##STR2## at least one of the R.sub.1 and R.sub.2 represents a methylene group directly bonded to the skeleton of general formula (I), at least one of the hydrogen atoms of which is substituted; when both Za and Zb are .dbd.N--, R.sub.1 is a methylene group directly bonded to the skeleton, at least one of the hydrogen atoms of which is substituted; and the R.sub.1 or R.sub.2 has at least one --NHSO.sub.2 -- as a substituent.

Processing for silver halide color photographic materials

A silver halide color photographic light-sensitive material comprising a support and at least one silver halide photographic emulsion layer on the support, said emulsion layer containing a 5-pyrazolone coupler having a coupling eliminable group of the following general formula (I) at the coupling site thereof: ##STR1## wherein L.sub.1 represents a substituted or an unsubstituted methylene or ethylene group; l represents 0 or 1; m represents 0 or an integer from 1 to 3; R.sub.1 represents a hydrogen atom, or a substituted or an unsubstituted alkyl, aryl or heterocyclic group; Y represents ##STR2## Q represents a single bond or nonmetal atoms necessary to complete a 5- to 8-membered ring together with ##STR3## said 5- to 8-membered ring may further have a saturated or an unsaturated ring condensed thereto; R.sub.2 represents a halogen atom, an alkyl group; an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group, an acylamino group, an alkoxycarbonylamino group, a sulfonamide group, a sulfamoyl group, an ureido group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, a cyano group, a trifluoromethyl group, an amino group, an N-alkylamino group, an N-arylamino group, an N,N-dialkylamino group, a diacylamino group, an imido group or a carbamoyl group, and when m represents 2 or 3, R.sub.2 groups may be the same or different; R.sub.2 ' represents a hydrogen atom, or has the same meaning as R.sub.2 and two R.sub.2 ' groups may be linked to form a 5- to 7-membered saturated or unsaturated ring; and --Y Q may be a substituted or an unsubstituted carbon-carbon or carbon-nitrogen double bond. The silver halide photographic material provides a magenta image having a high maximum density and light fastness.

Silver halide color photographic light-sensitive material

A silver halide color photographic material comprising a support having thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, wherein the silver halide color photographic material contains at least one kind of pyrazoloazole type magenta coupler represented by the general formula (I) described below and the total coating amount of silver in the photographic material is 0.75 g/m.sup.2 or less. ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group capable of being released upon 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--, one of the Za-Zb bond and the Zb-Zc bond being a double bond and the other being a single bond; when the Zb-Zc bond is a carbon-carbon double bond, the Zb-Zc bond may be a part of a condensed aromatic ring; R.sup.1 or X may also form a polymer including a dimer or more; and when Za, Zb or Zc is a substituted methine group, the substituted methine group may form a polymer including a dimer or more. The silver halide color photographic material provides color images having improved color reproducibility and preservability and is excellent in processing stability.

A multilayer silver halide color photographic material comprising a reflective support and a blue-, green- and red-sensitive emulsion layer containing at least one yellow coupler (represented by the general formula (I)), magenta coupler (represented by the general formula (II)), and cyan coupler (represented by the general formula (III)), respectively, and the blue-sensitive emulsion layer also contains at least one compound represented by the general formulae (A) or (B), all compounds are as disclosed in the specification.

Silver halide color photographic material comprising specified couplers

A silver halide color photographic light-sensitive material comprising a support having provided thereon at least one silver halide emulsion layer, wherein at least one magenta coupler represented by the formula ##STR1## where the groups in the formula are defined in the specification; is dispersed in the silver halide emulsion layer in the presence of at least one high-boiling organic solvent represented by one of the formulae (II), (III), (IV) and (V): ##STR2## where the groups in the formulae are described in the specification. The a high boiling point organic solvent has a dielectric constant of not less than 4.00 at 25.degree. C. and 10 KHz.

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 silver halide color photographic material is disclosed, comprising a support having provided thereon a red-sensitive layer, a green-sensitive layer, and a blue-sensitive layer, in which at least one of couplers represented by the formulae (I) and/or (II), at least one of couplers represented by the following formula (III), and at least one of couplers represented by the following formula (IV) are respectively incorporated in the light-sensitive layers different from each other in color sensitivity: ##STR1## wherein: R.sub.1, R.sub.2, R.sub.4 each represents a substituted or unsubstituted aliphatic, aromatic or heterocyclic group;

Color photographic light-sensitive material

A method for forming a color image is disclosed, which comprises imagewise exposing a multi-layer silver halide color photographic material comprising a reflective support having provided thereon at least three silver halide emulsion layers different in color sensitivity, each of which separately contains at least one coupler selected from a specific combination of cyan, magenta, and yellow couplers, and processing the exposed material with a color developing solution containing substantially no benzyl alcohol for a period of not more than 2 minutes and a half. A color image excellent in color reproducibility and preservability can be obtained rapidly without using benzyl alcohol.

Method of color image formation using a high chloride emulsion and a

A method of forming color photographic images where a silver halide color photographic material containing a coupler which forms a dye by reaction with the oxidation product of an aromatic primary amine developing agent and containing an acid-processed gelatin in an amount of 25% by weight or more of the amount of the total gelatin coated is color developed, desilvered and then rinsed in water and/or stabilized. The total of the processing time of said desilvering, rinsing-in-water and stabilization steps is controlled to be 3 minutes or less, and/or the amount of replenisher added to the rinsing-in-water bath and stabilization bath is controlled to be from 0.5 to 50 times of the amount of the processing solution which is brought into the rinsing-in-water bath and stabilization bath from the desilvering bath together with the material which is being processed. By the method, staining of the processed photographic material in a rapid processing can noticeably be reduced and the amount of the final rinsing or stabilizing solution to be used can noticeably be economized without lowering the image storability of the processed material.

Method of forming color images

A color image forming process is described, which comprises developing an imagewise exposed silver halide color photographic material with a color developer containing an aromatic primary amine developing agent and being substantially free of benzyl alcohol for a period of up to about 2 minutes and 30 seconds, wherein the silver halide color photographic material comprises a reflective support having thereon a blue-sensitive silver halide emulsion layer containing a yellow color-forming coupler, a green-sensitive silver halide emulsion layer contaning a magenta color-forming coupler, and a red-sensitive silver halide emulsion layer containing a cyan color-forming coupler in this order, the material further containing light-insensitive hydrophilic colloid layers between the blue-sensitive silver halide emulsion layer and the green-sensitive silver halide emulsion layer and between the green-sensitive silver halide emulsion layer and the red-sensitive silver halide emulsion layer and at least one light-insensitive hydrophilic colloid layer on the red-sensitive silver halide emulsion layer, the volume ratio of the oil component to the hydrophilic colloid in each of the light-insensitive layers is at most about 0.2 and both the light-insensitive layer between the green-sensitive silver halide emulsion layer and the red-sensitive silver halide emulsion layer and the light-insensitive layer on the red-sensitive silver halide emulsion layer each contains at least one ultraviolet absorbent compound represented by formula (F): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5, which may be the same or different, each may represent a hydrogen atom or a substituent, and the R.sub.4 and R.sub.5 may bond together to form a 5-membered or 6-membered aromatic ring.

Color image forming process

A method for the formation of a color image is described, wherein a silver halide color photographic material comprising a photographic layer provided on a reflective support is imagewise exposed and then subjected to development for a period of time within 2 minutes and 30 seconds with a color developer which contains an aromatic primary amine developing agent but does not substantially contain benzyl alcohol, wherein said photographic layer contains at lesat one specific non-coloring coloration accelerator selected from the group consisting of compounds represented by formulae (I) through (VII) defined in the specification.

Method for the formation of color images using a color developer not

A silver halide photographic material is disclosed, comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer, wherein said emulsion layer or a layer adjacent thereto contains at least one pyrazoloazole coupler and substantially all photographic layers including the light-sensitive silver halide layer and the layer adjacent thereto each having been coated on the same surface of the support and then dried have a pH lower than a pKa of said coupler by 1.0 or more. The material exhibits improved color reproducibility, sensitivity and development stability.

Silver halide photographic material

A silver halide color photographic light-sensitive material is described, comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having a photographic layer containing at least one kind of magenta coupler of 5-pyrazolone type having an arylthio group at the coupling position thereof, the arylthio group having an alkoxy group or an aryloxy group at the ortho position to the sulfur atom thereof and the alkoxy group and the aryloxy group being substituted with a cyano group, a halogen atom, a sulfonyl group, a sulfinyl group, a phosphonyl group, or an ##STR1## group, wherein A represents a chemical bond, an alkylene group, an arylene group, an oxygen atom, a sulfur atom, or an imino group; and B represents a hydroxy group, an alkoxy group, an aryloxy group, a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an acyclic amino group, or a hydrazino group. The silver halide color photographic light-sensitive material containing the 2-equivalent magenta coupler has an excellent color forming property even when it is processed in a color developing solution containing a salt of alkaline earth metal, exhibits photographic properties which are not influenced by variations in the pH of the color developing solution, and provides a magenta color image having a good light fastness. A method of forming a color image using the silver halide color photographic light-sensitive material is also described.

Growing community of inventors

Kanagawa, Japan

Takeshi Hirose