Konica Corporation

Yasunori Wada

Shoji Nishio

Iku Metoki

Masaaki Taguchi

Kiyoshi Sato

Akira Shimizu

Kiyoshi Goto

Mikio Kawasaki

Chika Honda

Haruhiko Sakuma

Takuji Hasegawa

Noboru Hatakeyama

Hirobumi Yamashita

Shinichi Ohtani

Syoji Nishio

Akiko Yamaya

Masatosi Iwada

A photothermographic material is disclosed, comprising a support provide thereon an image forming layer containing a light sensitive silver halide, an organic silver salt and a reducing agent and at least a component a layer, wherein the component layer contains a compound capable of trapping a material causing odor and is provided farther from the support than image forming layer.

Photothermographic material

A method for recovering a resin support from an image forming material comprising a resin support having thereon an image forming layer is disclosed, in which the image forming material is immersed into a dipolar aprotic solvent or an alkaline alcohol and the image forming layer is dissolved with stirring under heat.

Recovering method of support and useful ingredient from image forming material

A method of forming an image on an image forming material is disclosed which comprises a transparent support having a first surface side and a second surface side and provided on the first surface side, an imaging layer, the method comprising the step of forming a mirror image on the imaging layer so that the formed image is visible from the second surface side, wherein the second surface side has a glossiness of 80 to 115.

Image forming method

A method for processing an exposed black and white silver halide photographic light-sensitive material includes the steps of: (1) developing the exposed light-sensitive material with a developing solution, (2) fixing the developed material with a fixing solution, (3) washing the fixed material with water which is replenished in an amount of from 0 to 3 liter/m.sup.2 of the exposed light-sensitive material, and (4) drying the washed material. The developing solution is replenished with a solid photographic composition. This solid photographic composition includes a developing agent selected from the group of a dihydroxybenzene developing agent represented by Formula I and a developing agent represented by Formula II (provided that the developing agent represented by Formula II may form a sodium salt, a potassium salt or a lithium salt). Formulae I and II are as follows: ##STR1## In the formulae, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represents a hydrogen atom, an alkyl group, an aryl group, a carboxyl group, a halogen atom or a sulfo group; R.sub.7 represents a hydrogen atom, an alkyl group, an aryl group, an amino group, an alkoxyl group, a sulfo group, a carboxyl group, an amido group or a sulfonamido group; E.sup.1 represents an oxygen atom or a sulfur atom; and E.sup.2 represents an oxygen atom, a sulfur atom or an NR.sub.8 group, provided that R.sup.8 represents an alkyl group or an aryl group.

Photographic processing method for processing a silver halide

A method for continuously processing an exposed silver halide photographic light sensitive material comprises the steps of: developing said material with a developing solution, the developing solution being replenished with a first water and a solid developing composition containing a developing agent and a first sulfite according to a processing amount of said material; and fixing the developed material with a fixing solution, the fixing solution being replenished with a second water and a solid fixing composition containing a fixing agent and a second sulfite according to a processing amount of said material, and no other processing being carried out between said developing and said fixing, wherein the second sulfite is replenished in an amount of 0 to 0.05 mol per liter of the second water.

Processing method of silver halide photographic light sensitive material

An apparatus for processing a silver halide photographic light-sensitive material with a processing solution is disclosed, comprising a processing tank containing the processing solution and replenishing means for replenishing the processing solution during the course of processing, wherein the replenishing means comprises two replenishing tanks each connected to the processing tank; a solid processing composition and water are supplied to each of the replenishing tanks to prepare a replenishing solution therein; while replenishment is being made from one of the replenishing tanks, the solid processing composition is supplied, together with water, to another replenishing tank to prepared another replenishing solution therein, and the preparation of the replenishing solution and replenishment thereof are repeated alternately in each of the replenishing tanks to perform continuous replenishment.

Apparatus for processing silver halide photographic light-sensitive

A silver halide photographic light-sensitive emulsion is disclosed. The photographic material comprises a support and a silver halide emulsion layer provided on the support, and at least 30% of the total projection area of the silver halide grains contained in the silver halide emulsion layer is occupied by that of tabular silver halide grains having an aspect ratio of not less than 2; and the support comprises polyethylene-2,6-naphthalate and has a thickness of 70 .mu.m to 120 .mu.m. The photographic material is inhibited in the formation of roller mark in an automatic processor.

Silver halide photographic light-sensitive material

Disclosed is a light-sensitive silver halide photographic material comprising a support having a first face and a second face, a first photographic component layer being provided on the first face and a second photographic component layer being provided on the second face, each of the first and second component layer comprising a silver halide emulsion layer, wherein; when an exposure dose at a position on the first face is an exposure dose giving a density of a fog density +1.60 after exposing from the first face side and developing the material, a density at a position on the second face corresponding to the position on the first face is fog +0.20 or less, and an amount of a light which transmitted through the first component layer and the support and reaching an interface between the support and the second component layer is 12 to 75% of a light to which the first face side of the material is exposed.

Light-sensitive silver halide photographic material having high

A method of developing a silver halide photographic material is disclosed. The method comprises a step of supplying a developer to a surface of an exposed silver halide photographic material, which is transferred by at least one pair of rollers, intermittently at least twice wherein an interval time of each supplying is not more than 10 seconds and the amount of developer retained in the light-sensitive material ranges from 50 to 250 ml/m.sup.2 . The method provides a compact developing system, which is free from uneven development with good grainess of the image.

Method of development comprising intermittently spraying a photographic

The invention provides an apparatus for processing a sheet-shaped halide photographic light-sensitive material having a hydrophilic colloidal layer on a substrate. In the apparatus, there are provided a plurality of guides for guiding the sheet-shaped material. Each of the plurality of guides has a slit for passing the sheet-shaped material through it, and the slit of the guide body is shaped to temporarily hold the developing solution by the work of surface tension of the solution. A heating device for heating the developing solution temporarily held by the slit is further provided. The sheet-shaped material is processed while passing through the slit during the temporary holding of the heated developing solution.

Apparatus for processing a silver halide photographic light-sensitive

Disclosed is a light-sensitive silver halide photographic material having at least one layer comprising a silver halide photographic emulsion, wherein the silver halide photographic emulsion is obtained by addition of a spectral sensitizing dye during the desalting step in obtaining the emulsion. According to the present invention, there can be obtained a highly sensitive light-sensitive material with little stain, good pressure blackening performance and yet great absorption of the dye.

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Hino, Japan

Yasunori Wada