Konica Corporation

Konishiroku Photo Industry Co., Ltd.

Satoru Nagasaki

Akio Suzuki

Eiji Yoshida

Masumi Arai

Haruhiko Sakuma

Nobuaki Tsuji

Hiroyuki Hashimoto

Teruo Kashino

Katsushi Fujita

Iku Metoki

Kazuya Tsukada

Shinichi Ohtani

Masumi Hosaka

A light-sensitive silver halide photographic material is disclosed. The photographic material comprises an antistatic layer comprising a water-soluble electric conductive polymer, hydrophobic polymer particles and a hardener; and a hydrophilic colloidal layer containing a polyhydric alcohol. The photographic material may further comprises an electric conductive layer at the outer than a silver halide emulsion layer from the support, and the hydrophobic polymer particle may contain a dye. The photographic material is suitable for the use of an X-ray recording film.

Silver halide photographic light-sensitive material

A photographic material causing less curvature and feasible for rapid processing is disclosed. The photographic material comprises a light-sensitive silver halide emulsion layer on one side on a support and a backing layer on the other side, wherein T.sub.E /T.sub.B, the ratio of the total dry layer thickness T.sub.E of the side having the silver halide emulsion layer to the total dry layer thickness T.sub.B of the side having the backing layer, is not less than 0.8 and not more than 1.5, and the amount of water absorbtion of the side of having the silver halide emulsion layer is not more than 8.5 g/m.sup.2.

Rapid process for light-sensitive silver halide photographic material

Disclosed is a light-sensitive silver halide photographic element which comprises photographic layers applied under the condition that the surface tension of a coating solution for forming an outermost layer is 6 dyn/cm or more smaller than the surface tension of a solution for forming a layer adjacent to the outermost layer, and satisfying at least one of the conditions shown below:

Light-sensitive silver halide photographic material feasible for high

A silver halide photographic light-sensitive material is disclosed which is excellent in the super-rapid processability. The photographic material comprises a support having thereon at least one hydrophilic colloid layer comprising at least one silver halide emulsion layer. The hydrophilic colloid layer is formed by one or more times of coating provided that wet thickness of the layers coated in each time of coating is within the range of from 35 to 80 .mu.m, and a total content of gelatin of the whole hydrophilic colloid is in an amount of from 2.20 to 3.10 g/m.sup.2. The photographic material is suitable for super-rapid processing by an automatic processor for 20 to 60 seconds.

Process for manufacturing a silver halide photographic material having a

A method of processing a silver halide photographic material of total silver amount of no more than 7.0 g/m.sup.2 on a support containing at least one of a dye having a maximum absorption wavelength between 520-560 nm and a dye having a maximum absorption wavelength between 570-700 nm in such an amount that the increase of transmission optical density of the unexposed area after processing is no more than 0.03, comprising processing said silver halide photographic material with a roller-transport type automatic developer under the conditions that satisfy the following relationships:

Method of processing silver halide photographic material which prevents

A silver halide photographic material is disclosed which has at least one hydrophilic colloidal layer on a support, said photographic material having a water content of 10-20 g/m.sup.2 at the time when the washing step of processing with a roller transport type automatic processor is completed.

Silver halide photographic material containing a specified water

A silver halide photographic light-sensitive material comprising a support having the first photographic structural layer comprising one or more layers on a side of the support and the second photographic structural layer comprising one or more layers on the other side of the support, in which at least one of the photographic structural layers comprises a silver halide light-sensitive emulsion layer, and the total amount of gelatin contained in the photographic structural layer comprising the silver halide emulsion layer is within the range of from 2.25 g/m.sup.2 to 3.15 g/m.sup.2. The uppermost layer of the photographic structural layer comprising the silver halide emulsion is formed by coating of a solution having a surface tension of from 15 to 26 dyn/cm, and the second photographic structural layer is coated and gelled simultaneously with coating and drying of the first photographic structural layer. The photographic material is improved in the adaptability for super-rapid processing with the total duration of 20 to 60 sec. and the anti-scratch property.

Silver halide photographic light-sensitive material capable of

A silver halide photographic light-sensitive material and a process for processing it are disclosed. The light-sensitive material is improved in photographic sensitivity, drying property and anti-roller-mark property and is suitable for the disclosed ultra-rapid processing by an automatic processor in which the photographic material is processed for the time of 20 sec to 60 sec in total. The light-sensitive material comprises a support having on at least one side thereof one or more hydrophilic layers containing gelatin which comprise at least one light-sensitive silver halide emulsion layer. An amount of the gelatin contained in said hydrophilic layer or layers is within the range of from 1.90 to 3.50 g/m.sup.2 and a swelling amount of said hydrophilic layer or layers is within the range of from 30 to 58 g/m.sup.2 when said light-sensitive material is treated in a specific condition for 15 sec. at 35.degree. C.

Rapidly processable silver halide photographic light-sensitive material

A silver halide photographic material is capable of super-rapid processing with the total time of 20 to 60 minutes and is high in sensitivity, low in fogginess and excellent in pressure resistance and graininess. The photographic material is comprises a support bearing a hydrophilic colloial layer including at least one light sensitive silver halide emulsion layer thereon, wherein

High speed processing silver halide photographic light-sensitive material

A silver halide photographic light-sensitive material comprising a specific silver halide grain is disclosed. The siliver halide grain contains a localized portion containing 20 mol % or more of silver iodide and average content of silver iodide of which grain is from 0.1 to 10.0 mol %, provided that the silver halide grain is prepared by mixing an aqueous solution containing a water soluble halide compound and an aqueous solution containing a water soluble silver salt under a condition that pAg of the mixture is raised at 9.7 or more during a period after a half amount of the silver salt to be used has been added to the mixture. The photographic light-sensitive material has improved photographic characteristics and is suitable for radiographic use.

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Hino, Japan

Satoru Nagasaki