Abstract: A solid bleach-fixing composition for a silver halide color photographic light-sensitive material, comprising at least one specific 5-membered heterocyclic azoliumthiolate compound, particularly, a solid bleach-fixing composition wherein the specific thiolate compound is a diazolium-thiolate compound substituted by a water-soluble group. A method for processing a silver halide color photographic light-sensitive material, comprising using a bleach-fixing solution containing a specific 5-membered heterocyclic azoliumthiolate compound, and regenerating at least 50 mass % of the used bleach-fixing solution as a bleach-fixing processing agent for replenishment; and a method for processing a silver halide color photographic light-sensitive material, comprising regenerating at least 30 mass % of the used processing solution further containing used rinsing solution as a bleach-fixing processing agent for replenishment.

Abstract: A concentrated composition of a color developer replenisher for a silver halide color photographic material, the composition comprising a single solution, wherein the solution comprises 0.14 mol/liter or more of a p-phenylenediamine color developing agent, the solution has a specific gravity of 1.2 or more, the solution has pH of 13.3 or more, the solution comprises from 0.2 to 1 mol/liter of at least one compound selected from benzenesulfonic acids which may be substituted with an alkyl group, and lactams, and the solution comprises substantially no alkanolamine.

Abstract: A concentrated blix solution composition, which can remarkably reduce the replenishing amount of the blix solution and/or remarkably reduce the blix time, comprises: 1) a concentrated composition part containing a bleaching agent; and 2) a concentrated composition part containing a fixing agent, wherein the part concentrated composition 1) satisfies all the following conditions: (1) pH is from 2.0 to 3.5, (2) a specific gravity is 1.130 or more, (3) the bleaching agent comprises an iron(III) complex salt of an aminopolycarboxylic acid, (4) a concentration of the bleaching agent is from 0.5 to 1.0 mole/L, and (5) a content of an aminopolycarboxylic acid having not been complexed is from 0.1 to 3% by mole based on the bleaching agent, and a processing process using the same.

Abstract: A method for processing a silver halide color photosensitive material, comprises developing the silver halide color photosensitive material with a color developer containing a compound represented by formula (I): RSO2M  (I) wherein R represents an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group or an aryl group; and M represents a hydrogen atom, an alkali metal atom, an ammoniumyl group or a quaternary amino group, wherein the silver halide color photosensitive material is processed in an automatic processor having an air time ratio of 10 to 40% in the color development.

Abstract: A granulated solid processing agent for a silver halide photographic material which is a core/shell type spherical granule comprising an internal nucleus and layer structure of one or more layers coating the internal nucleus, and the critical relative humidity of the internal nucleus is 70% or less.

Abstract: A multilayer silver halide color photographic material, wherein when the multilayer silver halide color photographic material is development processed with a color developing solution containing a p-phenylenediamine derivative as a color developing agent, the relationship between the development proceeding velocity a of the lowermost layer of the constituting emulsion layers of the photographic material and the development proceeding velocity b of the uppermost layer satisfies the following equation (R-1): 0.65≦a/b≦2.0  (R-1) provided that the development proceeding velocity is expressed by the reciprocal of the developing time required for the density value by development to reach ½ of the maximum density.

Abstract: A method for processing a silver halide color photosensitive material, comprises developing the silver halide color photosensitive material with a color developer containing a compound represented by formula (I):

Abstract: In a processing method wherein, after a silver halide color photographic material is subjected to color development, the silver halide color photographic material is desilvered and then washed and/or stabilized, a photographic material that has at least one high-silver chloride emulsion layer, and in which at least one emulsion layer contains a monodisperse emulsion, is rapidly processed with a color developer having a water-soluble high polymer compound. The coating amount of silver of the said silver halide color photographic material is preferably 0.75 g/m2 or less, and the color developer contains chloride ions in an amount of 0.035 mol/liter or more. In continuous and rapid processing, fluctuations of photographic properties (particularly changes in sensitivity and gradation) are remarkably reduced, the ununiformity of developed density is remarkably improved, and the occurrence of a deposit on a processing tank wall surface is prevented.

Abstract: A multilayer silver halide color photographic material, wherein when the multilayer silver halide color photographic material is development processed with a color developing solution containing a p-phenylenediamine derivative as a color developing agent, the relationship between the development proceeding velocity a of the lowermost layer of the constituting emulsion layers of the photographic material and the development proceeding velocity b of the uppermost layer satisfies the following equation (R-1):

Abstract: A granulated solid processing agent for a silver halide photographic material which is a core/shell type spherical granule comprising an internal nucleus and layer structure of one or more layers coating the internal nucleus, and the critical relative humidity of the internal nucleus is 70% or less.

Abstract: A multilayer silver halide color photographic material, wherein when the multilayer silver halide color photographic material is development processed with a color developing solution containing a p-phenylenediamine derivative as a color developing agent, the relationship between the development proceeding velocity a of the lowermost layer of the constituting emulsion layers of the photographic material and the development proceeding velocity b of the uppermost layer satisfies the following equation (R-1): 0.65≦a/b≦2.0  (R-1) provided that the development proceeding velocity is expressed by the reciprocal of the developing time required for the density value by development to reach ½ of the maximum density.

Abstract: A black mask comprises: a first and a second antireflection films each comprising oxide, nitride, carbide, oxide nitride, oxide carbide, nitride carbide, or oxide nitride carbide of at least one kind of metal selected from the group consisting of chromium, molybdenum, tungsten, nickel, and germanium, and said films each having a different composition; and a screening film comprising at least one kind of metal selected from the group consisting of chromium, molybdenum, tungsten, nickel, and germanium; wherein said three films are successively formed on a transparent substrate, and at least one but not all of said three films contains chromium. Having improved etching characteristics at the manufacturing process, low reflectivity in the whole visible wavelength range, and a small wavelength dependence of reflectivity, the black mask can be preferably used for a color filter and a liquid crystal display which can show clear pictures.

Abstract: Processing a silver halide color photographic material comprising color developing, desilvering and water washing and/or stabilizing. In this process, a photographic material which has at least one emulsion layer containing a high silver chloride content, and at least one emulsion layer containing a monodisperse emulsion, is continuously processed with a color developing solution containing a water-soluble high polymer compound. The coated amount of silver in the photographic material is preferably 0.75 g/m.sup.2 or less. The color developing solution preferably has a chloride ion content of 0.035 mol/l or more. The water soluble high polymer compound can be a polyester, polyamide, polyurethane, polyether, polycarbonate or a natural high polymer compound, or their derivatives. It is obtained by polymerizing or copolymerizing a monomer containing a copolymerizable ethylene type unsaturated group. The high polymer compound is preferably added in the amount of 0.

Abstract: In a slurry-form photographic processing composition, some of photographic processing components are dispersed in water in fine particulate form, and a water-soluble polymer is contained in an amount of 0.1-10% by weight based on the weight of the processing components. The slurry composition is compact, easy to take out of the container, well soluble, and free of degradation during long-term storage.

Abstract: A method for processing a silver halide color photographic material comprising a step of processing an exposed silver halide color photographic material with an automatic processor, a color developing solution used in the processing step containing triisopropanolamine, and a conveying rate of the automatic processor being 1,100 mm/min. or more.

Abstract: The present invention provides a method of manufacturing a porous preform for an optical fiber, including the steps of removing impure particles from silica powder while being stirred in an alkaline liquid phase, and obtaining the porous preform for an optical fiber by applying the powder forming method to the silica powder used as a main raw material. The present invention further has a method of manufacturing a porous preform for an optical fiber, including the step of preparing a forming material by adding fine particles having a particle diameter satisfying the following formula (I) to the silica powder, and obtaining the porous preform by applying the powder forming method to the forming material: ##EQU1## wherein d: diameter of fine particles, and D: diameter of silica powder.

Abstract: A process for the production of an optical fiber a core which is elliptical in cross-section at one end and circular at the other end and which has little transmission loss and less of a reduction in the difference in indexes of refraction between the core and cladding, which consists of heating an optical fiber (1) having a core (c) having a uniform cross-sectional area in the longitudinal direction and a cladding (2) formed with at least one through hole (4A) along the longitudinal direction of the core while successively changing the heating temperature along the longitudinal direction of the optical fiber so as to continuously change the shape of the through hole, continuously change the cross-sectional shape of the core along the longitudinal direction of the optical fiber, and thereby make the cross-sectional shape of the core at one end of the optical fiber and the cross-sectional shape of the core at the other end different.

Abstract: There is disclosed a method for processing a silver halide color photographic material. The method comprises processing a silver halide color photographic material having a photographic layer, the degree of swelling of which is 1.2 to 3.0, by a color developer containing at least one compound represented by formula (I) in an amount of 0.01 to 10 g per liter of said color developer. ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represent a hydrogen atom, or an alkyl group, an alkoxy group, or an alkenyl group, which may be substituted, n is an integer of 1 to 3, and M represents a hydrogen atom or a counter cation.

Abstract: A method of processing a silver halide color photographic material by processing with a color developing solution an imagewise exposed silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and immediately thereafter processing said photographic material with a bleach-fixing solution, wherein said bleach-fixing solution contains an imidazole compound represented by the following formula (.alpha.) and the replenishment rate of said bleach-fixing solution is 200 ml or less per m.sup.2 of the photographic material: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a hydrogen atom, an alkyl group having from 1 to 5 carbon atoms, a hydroxyalkyl group having from 1 to 5 carbon atoms, or an alkenyl group.