Fuji Photo Film Company, Limited

Fujifilm Corporation

Naoto Ohshima

Naoya Shibata

Masahiro Asami

Takanori Hioki

Shunji Takada

Keisuke Shiba

Seiji Yamashita

Hirotomo Sasaki

Kazunori Hasebe

Toshihiro Nishikawa

Shin Soejima

Yasuaki Deguchi

Akito Yokozawa

Hideki Maeta

Shigeru Shibayama

Takashi Kato

Tadashi Ikeda

Hiroyuki Yoneyama

Yoshinori Morimoto

Futoshi Yoshida

Katsuyuki Takada

Tatsuya Ishizaka

Satoshi Aiba

Akira Kase

Osamu Yonekura

Atsushi Maruhashi

Takehisa Ohno

Morio Yagihara

Kiyoshi Takeuchi

Masaki Okazaki

Akira Abe

Nobutaka Ohki

Tadashi Inaba

Kei Sakanoue

Naoto Matsuda

Mitsuo Saitou

Akira Ikeda

Tadanobu Sato

Genichi Furusawa

Kentaro Okazaki

Shingo Ishimaru

Osami Tanabe

Shigeaki Ohtani

Shinichi Nakahira

Toshiaki Hayakawa

Shigeaki Otani

Takeshi Suzumoto

A color-image forming method in a silver halide color photographic light-sensitive material, having the steps of: performing exposure of the light-sensitive material cut into sheets; and subjecting the exposed light-sensitive material sheets to photographic processing, while conveying them with conveying rollers, with the sheet conveying speed being 40.0 to 100 mm/sec; wherein the light-sensitive material to be exposed contains any of: 1) a dye-forming coupler of formula (IA), 2) a compound of formula (I), and 3) 1.4 mg/mor more of a compound of formula (II); 

Silver halide color photographic light-sensitive material and color image-forming method

A color-image forming method in a silver halide color photographic light-sensitive material, having the steps of: performing exposure of the light-sensitive material cut into sheets; and subjecting the exposed light-sensitive material sheets to photographic processing, while conveying them with conveying rollers, with the sheet conveying speed being 40.0 to 100 mm/sec; wherein the light-sensitive material to be exposed contains any of: 1) a dye-forming coupler of formula (IA), 2) a compound of formula (I), and 3) 1.4 mg/mor more of a compound of formula (II); wherein R' and R&#x2033; are a substituent; Z is a hydrogen atom, or a coupling split-off group; A is an alkyl group, M is a cation, and R is an atom or group having 100 or lower total molecular weight.

A silver halide color photographic light-sensitive material having, on a support, a yellow dye-forming light-sensitive silver halide emulsion layer, a magenta dye-forming light-sensitive silver halide emulsion layer and a cyan dye-forming light-sensitive silver halide emulsion layer, and a light-insensitive hydrophilic colloid layer that does not develop a color, wherein a total amount of a hydrophilic binder on the emulsion layer-coating side of the support is 6.0 g/mor less, and at least one of said silver halide emulsion layers contains at least one compound selected from metal complexes represented by formula (I) set forth below and a silver halide emulsion of a 90 mole % or more silver chloride content with a silver bromide-containing phase formed in a layer form.

Silver halide color photographic light-sensitive material

The present invention provides a silver halide emulsion containing silver halide particles, wherein a content of silver chloride in the silver halide particles is at least 89 mol %, and wherein the silver halide particles comprising at least one of (i) at least one phase selected from the group consisting of a laminar phase containing silver bromide, a laminar phase comprising silver iodide and a phase comprising silver bromide and having a maximum point where a silver bromide content ratio is at a maximum value, which maximum point is inside the silver particles, and (ii) a phase comprising silver iodide and a phase comprising silver bromide, which phase comprising silver bromide is disposed further inside of the silver halide particles than the phase comprising silver iodide. Further, the present invention provides a silver halide photosensitive material comprising the silver halide emulsion.

Silver halide emulsion and silver halide photosensitive material

A silver halide emulsion which exhibits high sensitivity, high contrast, little sensitivity variation with humidity conditions at the time of exposure, and excellent reciprocity law properties at high illumination intensities. Also, a method of preparing the emulsion in a stable manner, and a silver halide color photographic photosensitive material and an image forming method that use the emulsion. The emulsion includes a mesoionic compound having a thiolate structure or a protonated thiolate structure, and the emulsion is sensitized by an Au (III) compound. The emulsion preferably contains an oxidatively dimerized form of a mesoionic compound having a thiolate structure, and a silver chloride content of at least 90 mol %.

Silver halide emulsion, method of preparing the same, and silver halide color photographic photosensitive material and image-forming method using the emulsion

The invention provides a silver halide color photographic photosensitive material including a substrate and photographic layers containing a yellow color-developing blue light-sensitive silver halide emulsion layer, a magenta color-developing green light-sensitive silver halide emulsion layer, a cyan color-developing red light-sensitive silver halide emulsion layer and a non-photosensitive hydrophilic colloid layer, wherein a total gelatin coating amount in the photographic layers is within a range from 3 to 6 g/mand/or a total silver coating amount in the photographic layers is within a range from 0.2 to 0.5 g/m, the yellow color-developing blue light-sensitive silver halide emulsion layer includes a silver halide emulsion having silver halide grains which have a sphere-equivalent diameter of no more than 0.6 &#x3bc;m and a silver chloride content of at least 90 mol %, and an image forming method utilizing the photosensitive material.

Silver halide color photographic photosensitive material and image forming method utilizing the same

To provide a silver halide color photographic light-sensitive material having higher sensitivity and higher contrast and free of reciprocity failure over a wide range of exposure illuminance, A silver halide emulsion comprising a silver halide grain containing at least two metal complexes each giving an average electron releasing time of 10to 3 seconds, the ratio in the average electron releasing time between these two metal complexes being at least 3 times or more and in these metal complexes, the content of the metal complex having a shorter average electron releasing time being 3 times or more as the molar ratio to the content of the metal complex having a longer average electron releasing time.

Silver halide emulsion and silver halide color photographic light-sensitive material

A silver halide color photographic light-sensitive material comprising at least one yellow color developable light-sensitive silver halide emulsion layer, at least one magenta color developable light-sensitive silver halide emulsion layer, and at least one cyan color developable light-sensitive silver halide emulsion layer, each of which is provided on a support: which comprises at least one yellow coupler of formula (I) and at least one cyan coupler of formula (A); wherein Q represents a group of non-metal atoms that form a 5- to 7-membered ring in combination with &#x2014;N&#x2550;C&#x2014;N(R1)-, each of R1 and R2 represents a substituent, m represents an integer of 0 to 5, and X represents a hydrogen atom or a group capable of being split-off upon a coupling reaction; wherein Rand Reach represent an alkyl group or an aryl group, J represents an alkylene group, and X represents a hydrogen atom or a group that can split off upon a coupling reaction.

Silver halide photographic light-sensitive material

Provided is a silver halide color photographic material having at least one yellow-coloring photosensitive silver halide emulsion layer, at least one magenta-coloring photosensitive silver halide emulsion layer, at least one cyan-coloring photosensitive silver halide emulsion layer, and at least one non-photosensitive non-coloring hydrophilic colloid layer on a reflective support, wherein, after being color developed, the reflection density A(&#x3bb;) at a wavelength of &#x3bb; nm in the non-exposed portion of the material is at most 0.07 at 450 nm, at most 0.09 at 550 nm and at most 0.07 at 650 nm and the mean grain size of the silver halide grains in the yellow-coloring photosensitive silver halide emulsion layer in the material is at most 0.70 &#x3bc;m.

Silver halide color photographic material, and method of image formation

The present invention provides a silver halide color photographic photosensitive material including a substrate, and photographic constituent layers having at least one each of an yellow color-developing blue light-sensitive silver halide emulsion layer, a magenta color-developing green light-sensitive silver halide emulsion layer, a cyan color-developing red light-sensitive silver halide emulsion layer and a non-photosensitive hydrophilic colloid layer, wherein the at least one yellow color-developing blue light-sensitive silver halide emulsion layer includes a silver halide emulsion having a sphere-corresponding diameter of 0.7 &#x3bc;m or less, and a silver chloride content of 90 mol % or higher, which silver halide emulsion has been subjected to selenium and gold sensitizations, and the total gelatin amount in the photographic constituent layers is from 3 to 6 g/m, or the total silver coating amount in the photographic constituent layers is from 0.2 to 0.5 g/m, and an image-forming method using the same.

A method for forming images on a silver halide color photographic photosensitive material having a substrate and photographic structural layers thereon, including at least three silver halide color photosensitive layers having different photosensitive regions, respectively, and at least one non-photosensitive hydrophilic colloid layer, is disclosed. At least one of the photosensitive layers contains 90 mol % or more of silver chloride. Shortly after the silver halide color photographic photosensitive material has been scan-exposed with laser beams, the material is rapid-processed with a low replenishing amount.

Method for forming images and silver halide color photographic photosensitive material

A method for forming images on a silver halide color photographic photosensitive material having a substrate and photographic structural layers thereon, including, at least three silver halide color photosensitive layers having different photosensitive regions, respectively, and at least one non-photosensitive hydrophilic colloid layer is disclosed. At least one of the photosensitive layers contains 90 mol % or more of silver chloride. Shortly after the silver halide color photographic photosensitive material has been scan-exposed with laser beams, the material is rapid-processed with a low replenishing amount.

Growing community of inventors

Kanagawa, Japan

Naoto Ohshima