Fuji Photo Film Company, Limited

Kei Sakanoue

Seiji Ichijima

Hidetoshi Kobayashi

Shigeo Hirano

Keiichi Adachi

Tsumoru Hirano

Morio Yagihara

Shinzo Kishimoto

Keisuke Shiba

Akira Abe

Tadahisa Sato

Kozo Aoki

Yoshio Ishii

Shinji Ueda

Michio Ono

Toshihiro Nishikawa

Noboru Sasaki

Tetunori Matushita

Takehiko Ueda

Masakazu Morigaki

Tadashi Ikeda

Akira Ogawa

Koki Nakamura

Hisashi Mikoshiba

Keizo Kimura

Junichi Yamanouchi

Mitsugu Tanaka

Naoto Ohshima

Masahiro Asami

Yuki Mizukawa

Shunji Takada

Yoshihiro Jimbo

Katsuyoshi Yamakawa

Toshiyuki Watanabe

Kazunori Hasebe

Yoshisada Nakamura

Mamoru Sakurazawa

Mitsuru Yamamoto

Yukio Karino

Koji Tamoto

Reiichi Ohi

Yoshihiko Shibahara

Seiichi Taguchi

Shigeru Yamazaki

Kimitoshi Nagao

Kouichi Hanaki

Tatsuya Yamamoto

Seigi Ichijima

A silver halide color photographic material comprising a support having thereon at least one layer containing a hydrazide compound represented by the following formula (1) ##STR1## wherein R represents an alkyl group, an aryl group, or an aromatic heterocyclic group and (PA) represents a pyrazoloazole coupler residue or an indazolone coupler residue.

Silver halide color photographic material

A silver halide color photographic light-sensitive material has red-, green-, and blue-sensitive silver halide emulsion layers, and the red-sensitive emulsion layer contains a cyan coupler and a yellow coupler with a relative coupling rate of 0.7 to 3.0 with respect to the cyan coupler. In addition, at least one layer may contain a specific DIR compound, the average silver iodide content of a silver halide emulsion contained in the red-sensitive silver halide emulsion may be higher than that of a silver halide emulsion contained in the green-sensitive silver halide emulsion layer, or at least one layer may contain a monodisperse silver halide grain emulsion with a grain diameter/grain thickness ratio of 2 to 8.

Silver halide color photographic light-sensitive material comprising a

A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer and containing a 1H-pyrazolo[5,1-c]-1,2,4-triazole couplers represented by the general formula (I) of the general formula (II): ##STR1## wherein A represents a group which is bonded to L via the benzene ring or a carbon atom in R.sup.12 on the benzene ring which is the substituent group in the 3-position of the 1H-pyrazolo[5,1-c]-1,2,4-triazole parent nucleus represented by general formula (III) below; ##STR2##

Silver halide color photographic materials

A p-phenylenediamine series color developing agent or a precursor thereof having a substituent A at the ortho-position; Substituent A: ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group and X represents --O--R.sup.7 or ##STR2## wherein R.sup.7 represents an alkyl group, an aryl group, or a heterocyclic ring and R.sup.8 and and R.sup.9, which may be the same or different, each represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic ring, R.sup.8 and R.sup.9 may combine with each other to form a heterocyclic ring, and a process for forming an image which comprises imagewise exposing a silver halide color photographic material and thereafter color developing the color photographic material in the presence of a p-phenylenediamine series color developing agent or a precursor thereof having the aforesaid substituent A.

Color developing agent and image forming process

A silver halide photographic material having at least one hydrophilic colloid layer containing a dispersion obtained by emulsifying and dispersing a mixed solution containing at least one oil-soluble dye and at least one water-insoluble, organic solvent-soluble polymer.

Silver halide photographic material containing an oil-soluble dye

Disclosed is a silver halide color photographic light-sensitive material having at least two green-sensitive silver halide emulsion layers having different sensitivities on a support. The layer having the lowest sensitivity of the green-sensitive layers contains at least one type of coupler represented by Formula (M), and the layer having the highest sensitivity of the green-sensitive layers contains at least on type of coupler represented by Formula (N), Formula (I) or Formula (II), ##STR1## wherein R.sub.1 represents a hydrogen atom or a substituent, Z represents a nonmetallic atom group required to form a 5-membered azole ring containing two to four nitrogen atoms, said azole ring being able to have a substituent including a condensed ring, and X represents a group except for a hydrogen atom, which can split off during a coupling reaction with an oxidized form of a developing agent. Formula (N) represents a compound represented by Formula (M) in which the split-off group X is replaced by a hydrogen atom.

Silver halide color photographic light-sensitive material and image

A silver halide color photographic photosensitive material comprises a support, having thereon at least one silver halide emulsion layer, wherein a coupler represented by formula (I) shown below is included in at least one layer of the photosensitive material, and a coupler represented by formula (M) shown below is included in at least one layer of the photosensitive material: ##STR1## wherein R.sub.1 represents an aryl group having substituents the sum of whose Hammett's rule substituent .sigma. constants is at least 0.2, and R.sub.2 represents an aryl group having substituents the sum of whose Hammett's rule substituent .sigma. constants is at least 0.75; ##STR2## wherein R.sub.1 represents a hydrogen atom or a substituent group; Z represents a group of nonmetal atoms which is required to form either (1) a five-membered azole ring which has two or three nitrogen atoms, and which may have substituent groups (including condensed rings), or (2) an unsubstituted five-membered azole ring which has four nitrogen atoms; and X represents a hydrogen atom or a group which can be eliminated at the time of a coupling reaction with an oxidation product of a developing agent.

Silver halide color photographic photosensitive material containing

A silver halide color photographic light-sensitive material comprises a novel cyan dye-forming coupler or a combination of a specific cyan dye-forming coupler with an .alpha.-pivaloylacetoanilide type yellow dye-forming coupler or a pyrazoloazole type magenta dye-forming coupler, the specific cyan dye-forming coupler being contained in the silver halide emulsion layer in the form of an emulsion of lipophilic fine particles obtained by mixing the coupler with at least one water-insoluble and organic solvent-soluble homo- or co-polymer to form a dispersion. The silver halide color photographic light-sensitive material is excellent in the reproduction of yellow, magenta and cyan colors and has low fog of cyan. Thus, the light-sensitive material can provide color images excellent in the fastness of the cyan color images. The cyan dye-forming coupler is represented by general formula (II): ##STR1## wherein R.sub.1 represents an aliphatic group, an aromatic group or a heterocyclic group; R.sub.2 represents a group or atom which can be bonded with the heterocyclic ring; X represents a hydrogen atom or a group which can be eliminated; Y represents a divalent bonding group having at least one amido bond and/or ester bond; Z represents a dissociative group; A, B, C, D and E each represents a nitrogen atom or a carbon atom a which hydrogen atom is bonded, provided that one or two of them represent a nitrogen atom; and n represents 0, 1 or 2.

Silver halide color photographic light-sensitive material

A Silver halide color photographic materials comprising a support having thereon at least one silver halide emulsion layer, wherein said material contains (1) at least one type of compound which reacts with the oxidized product of a primary aromatic amine based developing agent and releases a bleach accelerating agent, and (2) at least one type of cyan dye forming coupler represented by general formula (A) below: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, T and l' are defined as in the specification.

A novel silver halide color photographic material is provided comprising on a support at least one blue-sensitive layer, one green-sensitive layer and one red-sensitive layer, wherein said blue-sensitive layer comprises at least one yellow dye-forming coupler represented by the following general formula (1) and/or (2) and said green-sensitive layer comprises at least one magenta dye-forming coupler represented by the following general formula (M): ##STR1## wherein X.sub.1 and X.sub.2 each represents an alkyl group, an aryl group or a heterocyclic group; X.sub.3 represents an organic residue which forms a nitrogen-containing heterocyclic group together with &gt;N--; Y represents an aryl group or a heterocyclic group; and Z represents a group which separates from the remainder of the molecule when the coupler undergoes a reaction with an oxidation product of a developing agent; ##STR2## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom or a substituent; and X represents a hydrogen atom or a group which separates from the remainder of the molecule when the coupler undergoes a reaction with an oxidation product of a developing agent.

A silver halide color photographic material is provided comprising on a support at least one silver halide emulsion layer containing at least one of the compounds represented by formulae (I) to (III): ##STR1## wherein R.sub.11 represents ##STR2## in which R.sub.13 represents an alkyl, aryl or heterocyclic group, and R.sub.14 and R.sub.15 each represents hydrogen, alkyl group or aryl group; R.sub.12 represents a substituent having a Hammett's substituent constant .sigma.p of 0.3 or less; n represents an integer 0 to 2, and when n is 2, the two R.sub.12 's may be the same or different; B represents a group which releases PUG after being separated from a hydroquinone nucleus; PUG represents a development inhibitor; l represents an integer; and A and A' each represents hydrogen or a group capable of being removed by an alkali; R.sub.11 and R.sub.12, R.sub.11 and A or A', R.sub.12 and A or A', and two R.sub.12 's may together form a ring; ##STR3## wherein Q.sup.1 represents an atomic group containing at least one hetero atom and is required for the formation of a heterocyclic group containing 5 or more members together with carbon atoms connected thereto; R.sup.21 represents a group capable of substituting on the hydroquinone nucleus; and B, PUG, l, A and A' are as defined above; ##STR4## wherein R.sub.31 represents an alkyl group containing two or more carbon atoms in which the carbon atom adjacent to the carbonyl group is not substituted by a hetero atom, a cycloalkyl group, an aryl group or a heterocyclic group; R.sub.32 and R.sub.33 each represents hydrogen or a substituent having a Hammett's substituent constant .sigma.p of 0.3 or less; and B, PUG, l, A and A' are as defined above.

A silver halide color photographic material comprising a support having provided thereon at least one water-soluble yellow dye-forming polymer coupler containing a repeating unit derived from at least one monomer in which the polymerization moiety is only in a coupling-off group.

A process for processing an imagewise exposed silver halide color photographic material with a processing solution having a bleaching ability after color development is disclosed, in which the silver halide color photographic material contains at least one compound capable of reacting with an oxidation product of a developing agent upon development to release a bleaching accelerator, and the processing solution having a bleaching ability contains (1) at least one ferric complex salt of a compound selected from the compound group (A) and (2) ferric complex salt of 1,3-diaminopropanetetraacetic acid as bleaching agents in such proportion that the molar ratio of the (1) to the (2) is 3 or less: compound group (A):

Process for processing silver halide color photographic material

A silver halide color photographic material is described, comprising a support having thereon at least one of a silver halide emulsion layer and other hydrophilic colloid layer, wherein the silver halide emulsion layer or a hydrophilic colloid layer contains at least one compound represented by formula (II): ##STR1## wherein R.sub.2 represents a hydrogen atom or a group that can be substituted, Y.sub.1 represents ##STR2## R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8, which may be the same or different, each represents a hydrogen atom or a group that can be substituted; X.sub.1 represents a divalent linking group containing a hetero atom connected to the carbon atom; m is 0 or 1; A represents a bleach accelerating agent moiety represented by ##STR3## wherein R.sub.9, L, X.sub.2 R.sub.10 B, l.sub.1 and L.sub.2 are defined in the specification. The compound represented by formula (II) is a bleach accelerating agent having an active group of adsorptive group. The silver halide color photographic material has a high blocked speed and can be used in rapid processing.

A novel color light-sensitive material is provided, which comprises a support having theron at least a light-sensitive silver halide, an image-forming coupler, and a compound represented by formula (I):

Growing community of inventors

Kanagawa, Japan

Kei Sakanoue