Matches 251 - 300 out of 520 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
5254436 Method for image formation  
The present invention provides a method for image formation which is free from the problems such as uneven development and pepper fog and can give photographic characteristics of extremely high...
5252438 Silver halide photographic materials  
Disclosed is a silver halide photographic material containing a compound of a general formula (1) or (2): ED-(Time) t -Y-L-Z (1) wherein ED represents a group...
5252426 Mono- and difluoroacetylphenyl hydrazine compounds as silver halide adjuvants  
A novel group of fluoroacetylphenyl hydrazines useful in insuring rapid-access processing of lithographic film elements is described. These hydrazines not only will produce good dot quality under...
5244772 Silver halide emulsion with scratch abrasion resistance  
The present invention features a negative-type, silver halide photographic emulsion containing hydrazides that has reduced scratch sensitivity (i.e., the emulsion will have a reduced tendency to...
5244773 Silver halide photographic light sensitive material  
A silver halide photographic light sensitive material having high contrast photographic characteristics and excellent antistatic properties is provided by incorporating a hydrazine compound...
5238780 Method of image formation  
A method for forming images having a contrast of greater than G 8, comprising the step of developing an imagewise exposed silver halide photographic material with a developing solution having a pH...
5238801 Process of treating a silver halide photographic element  
A silver halide photographic material which has at least one silver halide emulsion layer on a support, wherein there is incorporated at least one electrically conductive layer of which the surface...
5236807 Image formation method and silver halide photographic material therefor  
A method for forming an image is disclosed, comprising imagewise exposing a negatively working silver halide photographic material comprising a support having thereon at least one silver halide...
5232818 Nucleated high contrast photographic elements containing thioether compounds to inhibit pepper fog and restrain image spread  
Silver halide photographic elements which are capable of high contrast development and are especially useful in the field of graphic arts have incorporated therein a hydrazine compound which...
5230981 Image recording process using silver halide, reducing agent and photopolymerization initiator  
An image recording process is disclosed. The process comprises the steps of: imagewise exposing silver halide to light to form a latent image of the silver halide; developing the formed latent...
5230983 Silver halide photographic material  
A negative-working type silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing a hydrazine derivative, wherein...
5229248 Silver halide photographic light sensitive material  
A silver halide photographic light-sensitive material is disclosed, which is capable of forming an extremely high contrast image with high dot quality and is inhibited in formation of pepper spots....
5229249 Silver halide photographic material and method for processing the same  
A silver halide photographic material comprising a support, having thereon one or more hydrophilic colloid layers, wherein at least one of the hydrophilic colloid layers is a silver halide emulsion...
5227278 Positive-working, low silver wash-off contact film  
A positive-working, low silver containing, wash-out element comprises a support, a fogged silver halide emulsion layer optionally containing a colorant, a photopolymer layer coated contiguous to...
5221593 Silver halide photographic materials containing novel nucleating agent  
The improved silver halide photographic material contains a novel nucleating compound that is useful either as a contrast increasing agent in light-sensitive material for use in photochemical...
5217842 Superhigh contrast negative image forming process  
A process of forming superhigh-contrast negative images is disclosed. The process comprises the steps of imagewise exposing a substantially surface latent image-type silver halide photographic...
5206123 High contrast developer containing an aprotic solvent  
A method for high contrast development of an image-wise exposed photographic element comprising a support and at least one silver halide emulsion layer, which method comprises contacting said...
5204213 Silver halide photographic material  
A silver halide photographic material comprising at least one silver halide emulsion layer on a support, characterized in that there is contained a compound represented by the general formula...
5200298 Method of forming images  
A method of forming a black-and-white image of very high contrast having a gamma value of 8 or above is disclosed, using a negative imagewise exposed photosensitive material comprising a support...
5198333 Photographic materials containing electron accepting agents  
A new class of electron-accepting compounds for photographic emulsions is disclosed represented by following general formula (I): ##STR1## wherein: each of Z and Q which may be the same or...
5190847 Photographic silver halide materials containing aryl hydrazides  
Photographic silver halide materials containing aryl hydrazides as defined and novel aryl hydrazides with a cationic group in the acyl radical enables the preparation of photographic materials that...
5190853 Silver halide color photosensitive material  
A silver halide color photosensitive material is disclosed. The photosensitive material comprises a support and a hydrophilic colloidal layer containing a yellow coupler. According to the present...
5190846 Silver halide photographic material  
A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the silver halide photographic material contains at...
5185232 Method of image formation  
A method of image formation comprising imagewise exposing a silver halide photographic photosensitive material comprising a support having thereon at least two silver halide emulsion layers and...
5175073 Nucleated contact film for use in graphic arts  
A high-contrast room-light-handleable black-and-white silver halide photographic film especially adapted for use as a dry-dot-etchable contact film in the graphic arts is comprised of a support...
5171657 Light sensitive image forming medium  
An image forming method comprising; subjecting an image forming medium containing at least a photosensitive silver halide, an organic silver salt, a reducing agent, a polymerizable polymer...
H001119 Direct positive photographic material  
Disclosed is a direct positive photographic material having an improved time-dependent storage stability. The material comprises a support having thereon at least one photographic emulsion layer...
5166040 Method of forming a polymer image  
An image recording method comprising imagewise exposing to light a light-sensitive material containing a light-sensitive silver halide, a reducing agent capable of developing a silver halide, a...
5156939 Heat-developable light-sensitive material  
A heat-developable light-sensitive material is disclosed, comprising a support having thereon at least a surface latent image type silver halide, a binder, an electron transfer agent or a precursor...
5155007 Silver halide photographic material  
An improved silver halide photographic material that has at least one silver halide emulsion layer on a support and that contains a hydrazine derivative in said emulsion layer or an adjacent layer....
5153098 Image forming method  
An image forming method for forming a black-and-white image with a gamma value of at least 8 is disclosed, which comprises processing an imagewise expsed negative type photographic material having...
5153112 Method of processing silver halide photographic materials  
The improved method of processing a silver halide photographic material that has at least one light-sensitive silver halide emulsion layer on one side of a support and which has at least one back...
5147756 Stabilized, aqueous hydrazide solutions for photographic elements  
A process for stabilizing aqueous solution of aryl hydrazides is described. These solutions may be made by the addition of a stabilizing amount of ascorbic acid, isoascorbic acid, erythorbic acid,...
5139920 Reducer and method for conducting dot etching processing of silver image  
A reducer and a method for conducting dot etching processing using the reducer, the reducer comprising (1) an amino polycarboxylic acid ferric chelate compound having an oxidation-reduction...
5139921 Process for forming super high contrast negative images  
A process of forming super high contrast negative photographic materials in a developer having a pH of from 9.6 to 11.0 wherein the photographic material contains a hydrazine compound and a...
H001090 Light-sensitive silver halide photographic material  
Disclosed is a light-sensitive silver halide photographic material having a hydrophilic colloid layer containing at least one layer of a light-sensitive silver halide emulsion layer provided on a...
H001091 Light-sensitive silver halide photographic material  
There is disclosed a light-sensitive silver halide photographic material which comprises, in a light-sensitive silver halide photographic material provided by coating at least one layer of...
5134055 Silver halide photographic materials  
A silver halide photographic material is disclosed, which has at least one compound represented general formula (1): ##STR1## wherein R represents an aliphatic group, an aromatic group, or a...
5132201 Silver halide photographic material with redox releaser  
A silver halide photographic material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, at least one layer of the material containing a compound...
5130480 Ammonium aryl hydrazide compounds  
Photographic silver halide elements containing aryl hydrazides as defined for the production of images with ultrahigh contrast and a new class of aryl hydrazides with a cationic group in the aryl...
5126227 High contrast photographic elements containing ballasted hydrophobic isothioureas  
Silver halide photographic elements which are capable of high contrast development, when processed in the presence of a hydrazine compound that functions as a nucleating agent, contain both an...
5122434 Photographic roomlight materials containing halogen acceptors  
A halogen acceptor according to general chemical formula (I) is added to a photographic negative roomlight emulsion, consisting of at least 90% of silver chloride, having an average grain size...
H001063 Negative type light-sensitive silver halide photographic material  
Disclosed is a negative type light-sensitive silver halide photographic material comprising at least one light-sensitive silver halide emulsion provided on a support, wherein the ratio of silver...
5108880 Developer composition for silver halide photographic material  
A water soluble alkaline developer composition useful in the development of exposed silver halide photographic material comprised of a developing agent, a sulfite preservative and a small but...
5104769 High contrast photographic element and emulsion and process for their use  
Photographic elements and emulsions are described which are capable of providing high contrast images. The elements and emulsions comprise negative working silver halide and contrast enhancing...
5100760 Light-sensitive material containing silver halide, reducing agent and polymerizable compound  
A light-sensitive material comprising a support and a light-sensitive layer which contains silver halide, a reducing agent, a polymerizable compound and an azo-compound having the following...
5085970 Image forming method  
A method for forming an image is disclosed which comprises providing a photosensitive material comprising at least one light-sensitive layer and having a gamma value of not less than 10 and a...
5075196 Halftone image production  
A halftone dot image pattern is formed on a support comprising a paper base, a polyolefin layer on at least one side of said paper base in a coverage in the range of 5 to 40 g/m2, on the opposite...
5068167 High contrast photographic materials  
Pepper fog may be reduced in high contrast photographic materials comprising silver halide emulsion in association with a hydrazine by the presence of at least 0.001 mole per mole of silver halide...
5064751 Method of processing a silver halide color photographic material and a color developer where the developer contains a hydrazine compound  
A method for processing a silver halide color photographic material including the step of developing the silver halide color photographic material with a color developing solution containing at...
Matches 251 - 300 out of 520 < 1 2 3 4 5 6 7 8 9 10 11 >