Konishiroku Photo Industry Co., Ltd.

Konica Corporation

Konishiroku Photo Ind. Co., Ltd.

Konica Technosearch Corp.

Kaoru Onodera

Toyoki Nishijima

Shun Takada

Masao Sasaki

Takashi Kadowaki

Makoto Kajiwara

Masanobu Miyoshi

Shigeo Tanaka

Keiji Ohbayashi

Eiichi Sakamoto

Mitsuhiro Okumura

Kazuo Komorita

Toshifumi Iijima

Shigeo Chino

Kazuo Shiozawa

Noboru Fujimori

Kazuhiro Murai

Wataru Fujimatsu

Satoru Hohnishi

Kazuyuki Kobayashi

Shinichi Nakamura

Shigeharu Koboshi

Yutaka Kaneko

Kazuhiro Kobayashi

Masao Ishikawa

Nobuaki Kagawa

Noboru Mizukura

Hideaki Haraga

Ryuichiro Kobayashi

Morito Uemura

Kuniaki Uezawa

Toshio Kimura

Kenzi Kadokura

Wataru Fujimastu

Toyoki Nishizima

Hideki Inahata

Keiji Obhayashi

Masao Sakaki

A silver halide color photographic light-sensitive material is disclosed. The light-sensitive material comprises a transparent support having on one side thereof a cyan dye-forming coupler-containing red-sensitive silver halide emulsion layer, a magenta dye-forming coupler-containing green-sensitive silver halide emulsion layer, a yellow dye-forming coupler-containing blue-sensitive silver halide emulsion layer, a non-light-sensitive hydrophilic colloid layer and an invisible light-sensitive silver halide emulsion layer containing a dye forming coupler, a colored coupler or a DIR compound.

Silver halide color photographic light-sensitive material

Light-sensitive silver halide color photographic material, having at least one light-sensitive silver halide emulsion layer on a support, wherein at least one of said emulsion layer contains light-sensitive silver halide grains having outer surfaces principally comprised of {100} face, and a magenta dye image forming coupler represented by Formula (I) shown below: ##STR1## wherein Z represents a group of nonmetal atom necessary for formation of a nitrogen-containing hetero ring; said ring formed by Z may have a substituent; X represents a hydrogen atom or a substituent eliminable by the reaction with an oxidant in a color developing agent; and R represents a hydrogen atom or a substituent. which can porovide a light-sensitive silver halide color photographic material having high sensitivity, being low in fogs, and having improved color reproducibility.

Light-sensitive silver halide color photographic material

A silver halide photographic material having at least one silver halide emulsion layer formed on a base is disclosed said base is a reflective base having an oxygen permeability of no more than 2.0 ml/m.sup.2.hr.atm, at least one of said silver halide emulsion layers is a magenta dye forming layer containing at least one magenta coupler of formula (I) shown below, and the layers positioned above said silver halide emulsion layer with respect to said base have a gelatin content of no less than 3 g/m.sup.2 : ##STR1## wherein Z represents a group of the non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring, provided that the ring formed by Z may have a substituent; X represents a hydrogen atom or a substituent capable of being eliminated upon reaction with the oxidation product of a color developing agent; and R is a hydrogen atom or a substituent.

Color photographic material with low O.sub.2 permeable support and

A silver halide photographic light-sensitive material which contains, on a support, a compound represented by the following Formula [I]: ##STR1## wherein R.sub.1 is alkyl, cycloalkyl, aryl, heterocyclic, alkoxy, aryloxy, alkylamino or arylamino;

Silver halide photographic light-sensitive material

A method of processing a light-sensitive silver halide color photographic material wherein a light-sensitive silver halide photographic material having a support and provided thereon at least one silver halide emulsion layer containing a dye-forming coupler and silver halide grains which are sensitized with specific sensitizing dyes, is processed with a color developer solution containing specific aromatic primary amine color developing agents.

Method of processing light-sensitive silver halide photographic material

A light-sensitive silver halide color photographic material, having at least one light-sensitive silver halide emulsion layer on a support, wherein at least one of said emulsion layer contains light-sensitive silver halide grains having outer surfaces principally comprised of {100} face, and a magenta dye image forming coupler represented by Formula (I) shown below: ##STR1## wherein Z represents a group of nonmetal atom necessary for formation of a nitrogen-containing hetero ring; said ring formed by Z may have a substituent; X represents a hydrogen atom or a substituent eliminable by the reaction with an oxidant in a color developing agent; and R represents a hydrogen atom or a substituent, which can provide a light-sensitive silver halide color photographic material having high sensitivity, being low in fogs, and having improved color reproducibility.

A light-sensitive silver halide photographic material comprising a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide emulsion layer contains a compound represented by General Formula [I]; ##STR1## (wherein Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a releasing group; and R represents a hydrogen atom or a substituent), the silver halide emulsion layer containing the compound of Formula [I] further containing

Silver halide light-sensitive photographic material having improved

A silver halide photographic material comprising a silver halide emulsion layer containing (1) a pyrazoloazole magenta coupler, (2) an anti-color-fading agent having an oxidation potential (Eox) of 0.95(V)&lt;Eox&lt;1.50(V) and (3) a hydroquinone derivative.

Light sensitive silver halide photographic material

A silver halide photographic light-sensitive material prevented from rottenness or decomposition by bacteria or mold without degradation of photographic properties such as sensitivity and fog. The silver halide photographic light-sensitive material has a photographic constituent layer containing at least one silver halide emulsion layer, and the silver halide grains contained in the emulsion layer comprises not less than 90 mole % of silver chloride. The photographic constituent layer contains at least one organic compound capable of forming a compound having a solubility product Ksp of not more than 1.times.10.sup.-11 with a silver ion, and at least one compound selected from the group of the compounds having the following Formula I, II, III or IV: ##STR1##

Light-sensitive silver halide photographic material

A silver halide photographic light-sensitive material comprising a support provided thereon with photographic layers including at least one silver halide emulsion layer and at least one non-light-sensitive layer is disclosed. The silver halide emulsion layer comprises silver halide grains comprising not less than 80 mol % of silver chloride. At least one of the photographic layers contains an ultraviolet absorbing agent which is in the liquid state at ordinary temperature. And at least one of the photographic layers is hardened with a vinylsulfon hardner. The photographic material has a high developing rate and a high antipressure property, so it is suitable for a rapid processing.

Silver halide photographic light sensitive material

A method of processing an imagewise exposed light-sensitive silver halide photographic material. The material contains a silver halide emulsion layer containing silver halide grains which are sensitized with a monomethine dye. The material is processed with a developer solution containing an aromatic primary amine color developing agent in the presence of at least one hydroxylamine derivative and at least one nitrogen containing heterocyclic mercapto compound.

Method for processing silver halide photo-sensitive material

A silver halide photographic light-sensitive material comprising a support bearing thereon at least one silver halide emulsion layer containing a dye-forming coupler and a compound represented by Formula [I] as defined in the specification. The light-sensitive material further comprises at least one silver halide emulsion layer containing silver halide grains having a silver chloride content of not less than 90 mole percent and a compound represented by Formula [S] as defined in the specification. The presence of the compounds of Formula [I] and Formula [S] provide a material having a suitable contrast and having additional advantages such as excellent BF contamination resistance and pH variation resistance.

Silver halide photographic light-sensitive material suitable for rapid

A silver halide photographic light-sensitive material which is prevented from softening in gradiation of the toe proportion on the resultant characteristics curve during the storage of the material. The photographic material comprises a support having thereon at least one silver halide emulsion layer, and contains a magenta coupler represented by the following formula M-1 and at least one surface active agent having in the molecule thereof at least two groups selected from the group consisting of a carboxy group and salt thereof, a sulfonic group and a salt thereof and a salt of sulfric ester group. ##STR1## wherein Z represents a group of nonmetal atoms necessary for forming a nitrogen-containing heterocycle which may have a substituent group; X represents a hydrogen atom, or a group capable of being split off upon the reaction with the oxydized product of a color developing agent; and R represents a hydrogen atom or a substituent.

Silver halide photographic light-sensitive material with improved

A silver halide photographic light-sensitive material comprising a support having at least one hydrophilic colloidal layer having spectrally sensitized silver halide grains. There are particular sensitizers which are used and the colloidal layer contains gelatin which has a saturated solubility of not more than ten in an amount of at least 35% by weight.

A silver halide light-sensitive photographic material comprising on a support photographic component layers containing a compound of Formula [I] and/or Formula [II]:

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Odawara, Japan

Kaoru Onodera