Fuji Photo Film Company, Limited

Fujifilm Corporation

Hajime Nakagawa

Yoshihisa Tsukada

Yasuhiro Yoshioka

Tomokazu Yasuda

Takatoshi Ishikawa

Akira Ogawa

Toshiki Taguchi

Naoki Saito

Hideaki Sato

Toshio Kawagishi

Nobutaka Ohki

Keiichi Suzuki

Osamu Uchida

Itsuo Fujiwara

Genichi Furusawa

Takeshi Nakamine

Masahiko Taniguchi

Akimitsu Haijima

Takayasu Yasuda

Seiji Hatano

The invention provides a method of manufacturing a photothermographic material excellent in coating stability with less haze in images, wherein the photothermographic material has, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder and at least one non-photosensitive layer above the image forming layer relative to the support, wherein (1) both the image forming layer and the non-photosensitive layer are formed with an aqueous coating solution, and (2) the coating solution for the image forming layer contains a phthalic acid salt or a salt of a derivative thereof, as well as a photothermographic material formed therewith.

Method of manufacturing a photothermographic material by aqueous coating and a photothermographic material prepared therewith

Provided is a photothermographic material comprising, on a support, at least a non-photosensitive layer, and an image forming layer comprising at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, wherein a content of the binder in the image forming layer is from approximately 55.6% to approximately 47.6% by mass ratio. A photothermographic material capable of rapid thermal development and having excellent film quality is provided.

Photothermographic material

Disclosed is a photothermographic material comprising an image forming layer containing at least a light-sensitive silver halide, a light-insensitive organic silver salt, a reducing agent and a binder and a non-image forming layer on at least one surface of a support, wherein 50% by weight or more of the binder is a hydrophilic binder, the light-sensitive material further comprising a metal phthalocyanine compound represented by the following formula (PC-1): wherein M represents a metal atom, R, R, R, R, R, R, Rand Rrespectively represent a hydrogen atom or a substituent where at least one of R, R, R, R, R, R, Rand Ris an electron attractive group and R, R, R, R, R, R, Rand Rrespectively represent a hydrogen atom or a substituent.

A photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer which is disposed on the same side as the image forming layer and farther from the support than the image forming layer, wherein (1) 50% by weight or more of the binder is a polymer latex having a monomer component having an acid group, and (2) the polymer latex has a core/shell structure having a core part and a shell part, and the monomer component having an acid group in the core part is 2 mol % to 20 mol % of a total amount of the monomer component having an acid group in the polymer latex. The invention provides a photothermographic material which exhibits excellent image uniformity with low fog.

A photothermographic image-recording material with improved storability before image formation and improved coating characteristics, which has a support having provided thereon an image-forming layer, the layer having at least one light-insensitive organic silver salt, a reducing agent for silver ion and a binder, wherein the binder has a polymer having a recurring unit represented by the formula (1), and the content of the recurring unit represented by the formula (1) in the polymer is from 0.1 to 50% by weight.

Photothermographic image-recording material

A photothermographic material comprising, on a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a non-photosensitive outermost layer at a surface side of the support at which the image forming layer is provided, wherein:

The present invention provides a photothermographic material having an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, on one surface of a support, and having at least one back layer and a back surface protective layer, on the other surface of the support, wherein a binder of the back surface protective layer contains a water-soluble polymer and a latex polymer having a glass transition temperature of &#x2212;30&#xb0; C. to 40&#xb0; C.; and an image forming method using the same. The photothermographic material and the image forming method of the invention provide excellent coating property and excellent transportability during thermal development in a thermal developing apparatus.

Photothermographic material and image forming method

A photothermographic material comprising a support body provided on or above at least one surface thereof with an image forming layer, containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and binder, and a non-photosensitive layer, wherein:

Photothermographic material and image forming method using the same

A photothermographic material is described, which comprises a support having provided on at least one side thereof a photosensitive silver halide, a photo-insensitive organic silver salt, a reducing agent for silver ion and a binder, wherein at least one layer constituting the photothermographic material comprises an oxazoline compound, by which sufficiently high image density is developed within practically feasible reaction time and temperature, and sufficiently suppressed background coloration is exhibited when stored for a prolonged period after development processing.

Disclosed is a thermally processed image recording material having an image-forming layer that contains a non-photosensitive silver salt of an organic acid, a reducing agent for silver ions and a binder on a support, wherein the binder is coated as a dispersion of polymer microparticles having a core/shell structure, glass transition temperature of shell part of the core/shell structure is higher than glass transition temperature of core part, and the binder shows a minimum film-forming temperature of 30&deg; C. or lower. According to the present invention, there is provided a thermally processed image recording material that provides improved image storability after heat development, i.e., improved coloration of white portions when the material is left at a high temperature, and has a transparent coated film with low haze that is also excellent in brittleness.

Thermally processed image recording material

A heat developable color photographic light-sensitive material comprising at least one dye providing compound represented by the formula (L1) shown below and at least one developing agent represented by the formula (1) or (2) shown below:

Heat developable color photographic light-sensitive material

There is disclosed a heat-development color photographic light-sensitive material which has on a base at least two applied silver halide emulsion layers different in color sensitivity from each other and at least one applied non-light-sensitive layer, wherein the silver halide emulsion layer or the non-light-sensitive layer contains a dye providing compound and at least one specific diffusible electron transport agent, and wherein the non-light-sensitive layer contains a compound capable of reacting with an oxidized product of the electron transport agent. The light-sensitive material can provide an image excellent in discrimination even by subjecting to development for a short period of time, and is excellent in color separation.

Heat-development color photographic light sensitive material

A silver halide color photographic material comprising a transparent support having thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, at least one red-sensitive silver halide emulsion layer and at least one light-insensitive layer, wherein said red-sensitive silver halide emulsion layer contains at least one compound which releases a development inhibitor having a diffusion parameter of 0.3 or more upon reaction with the oxidation product of a color developing agent, and when development processing I and development processing II each defined in the specification are carried out, the gradients of yellow, magenta and cyan obtained by said two kinds of development processing satisfy the following conditions:

Silver halide color photographic material and method for forming image

A silver halide color photographic light-sensitive material containing a compound represented by formula (I) below formula (I)

Silver halide color photographic light-sensitive material containing a

The present invention relates to color photographic materials having improved sharpness, higher photographic speeds and increased fastness by forming the image in the presence of couplers wherein the rate of dye formation is high, the color forming density is high and the dye which is formed has a high degree of fastness. The coupler compound represented by formula (I) indicated below is contained in at least one hydrophilic colloid layer on a support of a silver halide color photographic material.

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Kanagawa, Japan

Hajime Nakagawa