Matches 201 - 250 out of 363 < 1 2 3 4 5 6 7 8 >


Match Document Document Title
4490461 Process for the preparation of photographic materials  
Process for the preparation of a photographic material comprising in at least one layer photographic useful compounds, e.g. color couplers or developers, which are occluded into solid polymer...
4485170 Photographic silver halide light-sensitive material  
A photographic silver halide light-sensitive material is described. The material is comprised of a support with at least one gelatin-containing hydrophilic layer provided thereon. The...
4438278 Polymerizable ethylenically unsaturated amide compounds  
Compounds useful in making crosslinkable polymers having the formula (I): ##STR1## wherein R is hydrogen or methyl; R1 is cyano or ##STR2## wherein R2 is alkyl; Z is --X--R3 --X--or ##STR3##...
4433043 Water based photosensitive composition with hydrolyzate of mammal collagen  
A water based photosensitive composition comprises a hydrolyzate of a mammal collagen and a photosensitizer serving to cross-link the hydrolyzate when exposed to an active light. The hydrolyzate...
4431730 Process for the preparation of internal latent image type silver halide photographic emulsions  
A process for the preparation of an internal latent image type silver halide emulsion containing silver halide grains comprising a central core of silver halide doped with metal ions, chemically...
4426438 Anionic copolymers containing polyvalent metal cations and their use in photographic materials  
Metal cation loaded cross-linked anionic polymer as described herein is useful in the preparation of an indicator sheet for complex forming organic compounds or in the preparation of dyed or...
4368258 Process for preparing impregnated polymer latex compositions  
In the process for preparing impregnated polymer latex compositions by impregnating a hydrophobic substance in dispersed polymer particles in an aqueous polymer latex, the improvement comprises...
4362812 Photographic materials  
Static property in a photographic material is effectively prevented by incorporating a specific copolymer formed from, as the copolymerizable components, a betaine-containing polymerizable monomer...
4358533 Silver halide photographic material  
A silver halide photographic material having a hydrophilic colloid layer comprising fine polymer particles loaded with a hydrophobic photographic addenda provided on a support wherein the polymer...
4350759 Allyl amine polymeric binders for photographic emulsions  
A photosensitive silver halide emulsion wherein the emulsion binder comprises an allyl amine polymer or copolymer.
4340666 Method for making photosensitive silver halide emulsion layers  
Photosensitive silver halide emulsion layers are formed by mixing a solution of a water-soluble complex of silver ion with a polymeric thickening agent, applying the thus formed mixture to a...
4334013 Use of copolymers in the production of photographic emulsions and photographic materials  
Copolymers obtained by polymerizing an allyl ammonium salt, a monomer containing at least one anionic group and acrylamide and/or methacrylamide are useful as peptizing agents for silver halide...
4330618 Photographic light sensitive material  
A photographic light-sensitive material containing a copolymer comprising a betaine group-containing monomer and a fluorine atom-containing monomer in at least one photographic layer thereof,...
4327176 Dry image forming material  
A dry image forming material comprising (a) an organic silver salt oxidizing agent, (b) a reducing agent, (c) a photosensitive silver compound or a photosensitive silver compound-forming component...
4323644 Photographic material containing polymers with active ester groups  
A photographic material having at least one layer containing a polymer having a repeating unit of the formula (I): ##STR1## wherein A is a monomer unit copolymerized with a copolymerizable...
4315071 Polystyryl amine polymeric binders for photographic emulsions  
A photosensitive silver halide emulsion wherein the emulsion binder comprises a styryl amine polymer or copolymer.
4307183 Silver halide photographic emulsions including dye sensitizers and supersensitizing or stabilizing amounts of a polymeric compound and photographic elements, particularly radiographic elements including said emulsions  
Object of the invention are photographic emulsions including silver halide grains dispersed in gelatin and at least a methine dye spectral sensitizer associated with said grains, including in...
4307184 Photographic elements containing polymers having aminoallylidenemalononitrile units  
The present invention refers to a photographic material including in one of its layers a polymeric product having an aminoallylidenemalononitrile ultraviolet absorber unit which can be introduced...
4292152 Photopolymerizable recording composition containing acylphosphine oxide photoinitiator  
A photopolymerizable recording composition which comprises a mixture, containing a photoinitiator, of (a) a photopolymerizable olefinically unsaturated monomer and (b) an organic polymeric binder,...
4287293 Photographic element  
A photographic element having a photographic layer such as silver halide emulsion layer, protective layer, intermediate layer, subcoat layer, diffusion transfer image-receiving layer, antihalation...
4284709 Process for incorporating photographic additives in hydrophilic colloid preparations  
A process for incorporating photographic additives which are sparingly soluble to insoluble in water into a free-flowing, aqueous preparation which contains a hydrophilic colloid and is used to...
4278759 Process of preparing photographic silver halide emulsion  
A homo- or copolymer containing copolymerized monomeric units of the formula ##STR1## is a valuable peptizing agent for the precipitation of silver halide. Sensitivity, onset of development and...
4269925 Polymeric optical filter agents and photographic products and processes containing same  
Polymeric optical filter agents and photographic products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive optical filter agents comprising polymeric...
4247673 Crosslinkable polymers derived from amide compounds  
Compounds useful in making crosslinkable polymers having the formula (I): ##STR1## wherein R is hydrogen or methyl; R1 is cyano or ##STR2## wherein R2 is alkyl; Z is --X--R3 --X-- or ##STR3##...
4245036 Emulsifier-free latexes and photographic light-sensitive elements containing them  
A latex is formed of a copolymer of 90 to 98% by weight of ethyl acrylate and 2 to 10% by weight of an ionogenic comonomer. The latter comprises in its structure a polymerizable ethylenically...
4224403 Method for preventing the degradation of a hydrophilic colloid solution for silver halide photographic light-sensitive material  
A method for preventing the degradation of a hydrophilic colloid solution for a silver halide photographic light-sensitive material of which the viscosity has been or is to be increased using an...
4221858 Process for preparing a planographic printing plate  
In a process for preparing a planographic printing plate which comprises imagewise exposing a silver halide photosensitive material comprising a support having thereon a tanning-developable silver...
4215195 Polymers of amide compounds useful in photographic materials  
Compounds useful in making crosslinkable polymers having the formula (I): ##STR1## wherein R is hydrogen or methyl; R1 is cyano or ##STR2## wherein R2 is alkyl; Z is --X--R3 --X-- or ##STR3##...
4215196 Photographic elements in which gelatin silver halide layers contain polymers with semicarbazone or alkoxy carbonyl hydrazone groups  
Abrasion marks by dry-friction and the tendency of producing pressure-scratches in photographic materials is reduced by incorporating in the gelatin silver halide emulsion layers polymeric...
4211561 Method of producing cross-linked polymeric images  
The invention is directed to a process for producing cross-linked polymeric images on a substrate employing an oxygen-insensitive silver halide system to obtain camera-speed imaging with good...
4210449 Radiation sensitive composition comprising copolymer of glycidyl methacrylate and allyl glycidyl ether and diazonium salt of complex halogenide  
Copolymers of glycidyl methacrylate and allyl glycidyl ether having pendant epoxy groups, having an inherent viscosity of at least about 0.25, preferably within the range of about 0.25 to about...
4205989 Dry system image producing element  
There is disclosed a dry system image producing element comprising a substrate, a thin metal layer and a photosensitive layer. After exposing the element to light through a desired pattern, the...
4201587 Graft copolymers as diffusion control layers in photographic diffusion transfer products  
A β-eliminating graft copolymer useful as a diffusion control layer in film units adapted for diffusion transfer processes is disclosed.
4201589 Silver halide photo-sensitive material prepared with solvent and solvent soluble polymer  
A silver halide photo-sensitive material is provided having a hydrophilic colloid layer containing dispersed therein finely divided particles of a substantially water-immiscible mixture containing...
4197130 Photosensitive elastomeric composition and element  
A novel photosensitive elastomeric composition comprising a thermoplastic elastomeric block copolymer, an ethylenically unsaturated compound derived from fumaric acid or maleic acid and a...
4193803 Amorphous polyester adhesives for photographic materials comprising phthalic acid, linear and branched aliphatic glycol components  
Disclosed herein are heat-activatable adhesive compositions comprising an amorphous condensation polymer which is characterized by having an acid component comprising a phthalic acid derivative...
4186010 Silver halide elements with polymers containing ketoiminoguanidinium groups  
A photographic element is described comprising an emulsion layer of low gelatin to silver halide ratio, the emulsion comprising a polymeric compound containing recurring units with...
4152161 Photographic silver halide emulsion with hetero-N containing polymeric binder  
A copolymer containing 0.1 to 20 mol-% of recurring structural units of the formula ##STR1## is a valuable peptising agent for the precipitation of silver halide. Sensitivity, onset of development...
4131471 Synthetic polymeric silver halide peptizer  
A photosensitive silver halide emulsion wherein the silver halide peptizer comprises a halogenated acrylate polymer or copolymer.
4120725 Color photographic light-sensitive material  
A color photographic light-sensitive material having at least one silver halide photographic emulsion layer containing a hydrophobic coupler, in which the color photographic material additionally...
4120727 Polymeric cyanoalkyl acrylate silver halide peptizer  
A photosensitive silver halide emulsion wherein the silver halide peptizer comprises a cyanoalkyl acrylate polymer or copolymer.
4087282 Flocculating agent for photographic emulsions  
A method of flocculating a gelatin-silver halide photographic emulsion, which comprises flocculating the silver halide with gelatin at a pH of 6 or less in the presence of a polymer consisting...
4076538 Process for crosslinking hydrophilic colloids with triazine compounds  
The present invention relates to a process for crosslinking hydrophilic materials by means of a triazine compound of the formula ##STR1## The process is preferably used for crosslinking gelatin in...
4055429 Inhibitor barrier layers for photographic materials  
A photographic element comprises a support, a silver halide emulsion layer and a layer containing a polymeric scavenger for development inhibitors. The movement of development inhibitor anions...
4045226 Image forming process by color intensification  
An intensification processing in photographic processing for color photographic elements is effectively performed with less formation of fog by incorporating in at least one of the silver halide...
4033772 Amphoteric maleic anhydride copolymers and photographic emulsions employing the same  
A photographic silver halide emulsion wherein the emulsion binder comprises the reaction product of 1) a reactant having an amino, mercapto or hydroxy functionality and a cationic active group...
4022623 Photosensitive emulsion containing polyvinyl aminimide polymers  
A photosensitive silver halide emulsion wherein the emulsion binder comprises a polyvinyl aminimide polymer or copolymer.
3957492 Photographic silver halide emulsion comprising an amphoteric copolymer  
A photographic emulsion containing a novel amphoteric copolymer which comprises: A. 0.5 to 30 mole % of cation-site containing repeating units of the formula (I) ##EQU1## wherein R1 represents a...
3929482 Hardenable vehicles for silver halide emulsions  
A photographic element comprising a support having coated thereon at least one photographic silver halide emulsion and at least one binding agent comprising a film-forming, addition interpolymer...
3926635 Photographic material with polymeric stabilizers  
A light-sensitive photographic silver halide material containing hompolymers or copolymers of 1,3-dihydroxy-2-methylene-propane or derivatives thereof which have an advantageous stabilising effect...

Matches 201 - 250 out of 363 < 1 2 3 4 5 6 7 8 >