Fuji Photo Film Company, Limited

Akio Mitsui

Masakazu Morigaki

Takatoshi Ishikawa

Takashi Nakamura

Kotaro Nakamura

Takushi Miyazako

Keiichi Adachi

Takashi Ozawa

Shoji Ishiguro

Shigeru Kuwashima

Yoshiaki Suzuki

Toshiki Taguchi

Nobuo Seto

Hiroo Takizawa

Tetsuro Kojima

Nobuo Furutachi

Hidetoshi Kobayashi

Shigeru Nakamura

Tadahisa Sato

Minoru Sakai

Hideaki Naruse

Toshio Kawagishi

Taku Nakamura

Tadao Shishido

Yasuo Mukunoki

Takeshi Hirose

Hideki Naito

Shinji Sakaguchi

Kiyoshi Nakazyo

Nobuo Sakai

Takeshi Shibata

Masatoshi Sugiyama

Isao Shimamura

Tatsuo Heki

Sadanobu Shuto

Munehisa Fujita

Yoshiharu Fuseya

Kensuke Goda

Seiki Sakanoue

Tadao Sakai

Noboru Ohta

Masaru Sano

Junichi Tamano

Nobuyuki Kimura

Mitsugi Kawakami

Hirosi Sawaguchi

Takashi Ogawa

Masatoshi Sugiysma

There is disclosed a photographic element which contains, in a binder on a base, a specified compound having a group that is capable of causing chemical reaction with a reactive group contained in the binder, to form a covalent bond. According to the photographic element, a color image excellent in light-fastness can be obtained.

Photographic element

A silver halide photographic material comprising a support having provided thereon at least one layer, wherein said at least one layer contains at least one compound which is represented by the following formula (1) and is liquid at 25.degree. C.: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an unsubstituted unsaturated straight-chain aliphatic group, or an unsubstituted branched alkyl group; provided that both R.sub.1 and R.sub.2 must not be hydrogen atoms and that the sum of the carbon atoms in R.sub.1 and R.sub.2 is 18 or more.

Silver halide photographic material and image forming method using the

A color reversal image forming process using a color reversal photographic material is disclosed. The process comprises an exposure step, a black and white development step, a reversal step, a color development step and a desilvering step. The color reversal photographic material comprises a support and one or more silver halide emulsion layers. According to one embodiment of the present invention, at least one silver halide emulsion layer comprises silver halide containing chloride of not less than 90 mole %, iodide of 0 mole % and bromide of not more than 10 mole %. According to another embodiment, at least one silver halide emulsion layer comprises silver halide containing chloride of not less than 88 mole %, iodide of 0.1 to 2 mole % and bromide of not more than 10 mole %. The silver halide emulsion layer further contains a compound represented by the formula (Ia) or (Ib): ##STR1## wherein R.sup.11 is an alkyl group, an alkenyl group, a heterocyclic group or an aryl group; X.sup.1 is hydrogen, an alkali metal atom, an ammonium group or a precursor thereof; V.sup.1 is an oxygen atom, a sulfur atom, .dbd.NH or .dbd.N--(L).sub.n, --R.sup.12 ; L is a divalent linking group; and n is 0 or 1.

Color reversal image forming process using high chloride emulsions and

A silver halide color photographic photosensitive material is disclosed which comprises a transparent support on which there are provided at least one cyan color forming coupler containing layer, at least one magenta color forming coupler containing layer, and at least one yellow color forming coupler containing layer, and at least one light-insensitive layer, wherein a compound represented by formula (I), a compound represented by formula (IIa) or (IIb) or both, and an internal latent image forming silver halide grain are contained in the photographic material: ##STR1## wherein Z.sup.11 represents a group of non-metal atoms which is required to form a five or six membered heterocyclic ring, and Z.sup.11 may be substituted with substituent groups; R.sup.11 is an aliphatic group; and R.sup.12 is a hydrogen atom, an aliphatic group or an aromatic group; R.sup.11 and R.sup.12 may be substituted with substituent groups; R.sup.12 may be joined to the heterocyclic ring completed by Z.sup.11 to form a ring; provided that at least one of the groups R.sup.11, R.sup.12 and Z.sup.11 contains an alkyl group, an acyl group, a hydrazine group or a hydrazone group, R.sup.11 and R.sup.12 may be combined to form a dihydropyridinium skeleton; moreover, at least one of the groups R.sup.11, R.sup.12 and Z.sup.11 may have a group which promotes adsorption on silver halide; and Y.sup.11 is a charge balancing counter ion and n is 0 or 1: ##STR2## wherein R.sub.21, R.sub.22 and R.sub.23 each represents an aliphatic group, an aromatic group, or a heterocyclic group; R.sub.25 represents an aniline group or an acylamino group; R.sub.24 represents a substituted phenyl group; X.sup.21 represents a linkage group and X.sup.21 may not exist; R.sub.26 represents a group which can be substituted on a benzene ring; and m represents an integer of 0 to 4.

Silver halide photographic photosensitive materials

A silver halide color photographic material comprises a support, a blue sensitive layer, a green sensitive layer and a red sensitive layer and at least one non-light-sensitive layer. The non-light-sensitive layer is an intermediate layer arranged between the silver halide emulsion layers. According to the present invention, the non-light-sensitive intermediate layer contains a compound represented by the formula (1a) or (1b): ##STR1## in which R.sup.12 is an aliphatic group, an aromatic group or a heterocyclic group; M is --CO--, --SO.sub.2 --, --N(R.sup.15)CO--, --OCO-- or --N(R.sup.15)SO.sub.2 --; each of R.sup.14, R.sup.15 and R.sup.24 independently is hydrogen, an alkyl group or an aryl group; L is a divalent linking group necessary for forming a 5, 6 or 7-membered ring; each of R.sup.11, R.sup.13 and R.sup.21 independently is hydrogen or a substituent group of the hydroquinone nucleus; Time is a group which is released from the oxidation product of the hydroquinone nucleus to further release X; X is a development inhibitor; and t is 0 or 1. It is preferred that M is--SO.sub.2 --, --N(R.sup.15)CO--, --OCO-- or --N(R.sup.15)SO.sub.2 --.

Silver halide color photographic material

A method for forming a color positive image which comprises steps of:

Method for forming a color positive having improved color reproduction

A silver halide color photographic material is provided that contains at least one pyrazoloazole type coupler represented by formula (I) ##STR1## wherein Za and Zb each represents ##STR2## or .tbd.N--, R.sub.1 and R.sub.2 each represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a heterocyclic group, a cyano group, an alkoxy group, an aryloxy group, a heterocyclic hydroxyl group, an acyloxy group, a carbamoyloxy group, a silyloxy group, a sulfonyloxy group, an acylamino group, an anilino group, a ureido group, an imido group, a sulfamoylamino group, a carbamoylamino group, an alkylthio group, an arylthio group, a heterocyclic thio group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonamido group, a carbamoyl group, an acyl group, a sulfamoyl group, a sulfonyl group, a sulfinyl group, an alkoxycarbonyl group, and an aryloxycarbonyl group, and X represents a hydrogen atom or a group cleavable in a coupling reaction with an oxidized aromatic primary amine developing agent, and in the case where Za=Zb is a carbon-carbon double bond, the double bond may form part of a condensed aromatic ring, and which pyrazoloazole type coupler may form a dimer or a more higher polymer via R.sub.1, R.sub.2 or X; and at least one of compounds having the following formula (II) ##STR3## wherein R.sub.3 and R.sub.4 each represents a hydrogen atom or a straight or branched alkyl group containing from 1 to 10 carbon atoms, provided that the sum of the numbers of carbon atoms of R.sub.3 and R.sub.4 is from 4 to 11.

A novel silver halide color photographic material is described, comprising a support having thereon at least three silver halide emulsion layer units each having a sensitivity to each of three primary colors of blue, green and red, wherein at least one unit among said silver halide emulsion layer units comprises a layer group containing at least two layers each having a different sensitivity and at least one layer in said layer group, which satisfies the following condition (A) or (B):

A siliver halide color photographic material, comprising at least one of magenta couplers having the following general formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group that can be cleaved by the coupling reaction with the oxidation product of an aromatic primary amine developing agent; Za, Zb and Zc each represents a methine group, a substituted methine, .dbd.N--or --NH--; one of the Za--Zb bond and the Zb--Zc bond is a double bond and the other is a single bond; and Zb-Zc may be fused to an aromatic ring, the coupler may form a dimer or higher polymer via R.sup.1 or X, and when Za, Zb or Zc is a substituted methine, the coupler may form a dimer or higher polymer through the substituted methine, and at least one of compounds having the following general formula (II): ##STR2## wherein M represents a hydrogen atom, an alkali metal atom, a quaternary ammonium group or a group that can be cleaved under an alkaline condition; and R.sub.2 and R.sub.3 that may or may not be the same each represents a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group, or a substituted or unsubstituted aromatic hydrocarbon group, or R.sub.2 and R.sub.3 may form together a ring.

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 reversal reflection print photosensitive material comprises at least one blue-sensitive layer, at least one green-sensitive layer and at least one red-sensitive layer on a support. In the characteristic curves of the color sensitive layers, a fluctuation width of point-gammas and absolute values of point-gammas are defined. The distribution of the grain size of the silver halide grains in silver halide emulsions contained in the color sensitive layer can be controlled by forming the grains in the presence of a silver halide solvent.

Silver halide color reversal reflection print sensitive material

A process for processing a silver halide color photographic material is described, comprising developing an imagewise exposed light-sensitive material and then bleach-fixing it, wherein the light-sensitive material contains at least one sensitizing dye selected from three particular types of sensitizing dye compounds, and a bleach-fixing solution contains iodide ions in an amount exceeding 1.2.times.10.sup.-3 gram ion per liter of solution.

Process for processing silver halide color photographic material

A silver halide color photographic light-sensitive material comprising at least three silver halide emulsion layer units sensitive to blue, green and red light, respectively, at least one of the silver halide emulsion layer units having at least two layers which are different in sensitivity from each other and containing at least Coupler (A') described below and Coupler (B) described below, and one of said layers is in charge of color formation of the highest density portion in the characteristics curve of these layers and contains Coupler (B) described below which forms a dye having the maximum absorption wavelength different from a dye formed from Coupler (A) described below in an amount of at least 30 mol % of the total amount of the couplers included therein, wherein Coupler (A) denotes (i) a coupler which forms a dye having a maximum absorption in the wavelength range from 400 nm to less than (the maximum absorption wavelength of a dye formed from Coupler (A')+5) nm, when employed in a blue-sensitive layer unit, (ii) a coupler which forms a dye having the maximum absorption in the wavelength range from 510 nm to less than (the maximum absorption wavelength of a dye formed from Coupler (A')+5) nm, when employed in a green-sensitive layer unit, or (iii) a coupler which forms a dye having the maximum absorption in the wavelength range from more than (the maximum absorption wavelength of a dye formed from Coupler (A'-5) nm to 700 nm, when employed in a red-sensitive layer unit; Coupler (A') denotes a coupler which is employed in the largest amount by mol among the couplers contained in one or more layers other than the layer which is in charge of color formation of the highest density portion in a characteristic curve of the silver halide emulsion layer unit, or Coupler (B) denotes a coupler which forms a dye having the maximum absorption in the wavelength range other than that of a dye formed from Coupler (A). The silver halide color photographic light-sensitive material is excellent in color reproducibility over a wide range from low density areas to high density areas and stability.

A silver halide color photographic material is described 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, with at least one of said light-sensitive silver halide emulsion layers containing a mono-dispersed silver halide emulsion, said color photogrphic material further comprising at least one auxiliary layer containing silver halide grains having substantially light-insensitivity and containing more than 75 mole % silver chloride. The silver halide color photographic material is improved in dependence of photographic characteristics with respect to the extent of stirring of a processing solution during development processing.

Color photographic material with light insensitive silver chloride

A silver halide color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing at least one kind of compound represented by the following general formula (I): ##STR1## wherein each substituent represented by R.sub.1, R.sub.2, R.sub.3, X, or Ar and m are defined within the specification, said silver halide color photographic light-sensitive material comprises a compound represented by the following general formula (II) in the silver halide emulsion layer containing the compound represented by the above general formula (I) and/or a hydrophilic colloid layer which is positioned at the remoter side than the silver halide emulsion layer from the support: ##STR2## wherein each substituent represented by Y, R.sub.4, R.sub.5, R.sub.6, R.sub.7 or Ar is defined within the specification. The silver halide color photographic light-sensitive material can provide a magenta color image having excellent photographic properties without the occurrence of stain, even when the color photographic material is processed in a processing solution under the running condition. A method of forming a color image using the silver halide color photographic light-sensitive material is also disclosed.

Silver halide color photographic light-sensitive material

Growing community of inventors

Kanagawa, Japan

Akio Mitsui