Matches 151 - 200 out of 236 < 1 2 3 4 5 >
Match Document Document Title
4292390 Integral diffusion transfer photographic film unit  
Integral diffusion transfer photographic film unit is described, comprising at least two support layers, at least one of which is transparent, having laminated therebetween at least one silver...
4291113 Method for dispersing photographic additives  
A method for dispersing an oil-soluble photographic additive into water or a hydrophilic colloid composition wherein an oil-soluble photographic additive is dispersed in water or a hydrophilic...
4288523 Diffusion control layers in diffusion transfer photographic products  
Novel polymers comprising recurring units capable of undergoing β-elimination in an alkaline environment are disclosed for use in diffusion control layers in diffusion transfer film units.
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...
4268604 Photographic element for color diffusion transfer process  
In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing...
4267262 Color diffusion transfer photographic elements comprising a neutralizing system timing layer  
In a photographic element for the color diffusion transfer process having a neutralizing system comprising a neutralizing layer and a timing layer, the improvement which comprises said timing layer...
4256614 Novel oxime polymers and process for preparing same  
Novel photographic processing compositions including a polymeric oxime viscosity-increasing reagent for processing an exposed film unit to provide a photographic image. While this photographic...
4256826 Bleach-fix sheets  
A bleach-fix sheet for use in color photographic processes comprises a support having thereon a bleaching agent, a fixing agent and a hardened hydrophilic binder. In a preferred embodiment, the...
4256827 Photographic element for color diffusion transfer process having a novel neutralizing system  
In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing...
4254208 Photographic material  
A process for producing a photographic material, which comprises dispersing, in a solution of an organic resin, a material which is incompatible with the organic resin to form a dispersion, coating...
4202694 Pendant oxime polymers and photographic use thereof  
Novel photographic processing compositions including a polymeric oxime viscosity-increasing reagent for processing an exposed film unit to provide a photographic image. While this photographic...
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.
4199362 Color diffusion transfer process photographic elements  
In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline processing solution which comprises a neutralizing...
4193804 Process for preparing a composition for a thermally developable light-sensitive material  
A process for preparing a composition for use in a thermally developable light-sensitive material which comprises reacting (a) an organic silver salt with (b) a halogen atom-releasing compound to...
4190447 Cover sheets for integral imaging receiver elements  
A cover sheet for an integral imaging receiver element comprises a support, a neutralizing layer, at least one timing layer and an alkali permeable hydrophilic layer. The cover sheet may also...
4183749 Photographic film with polyethylene terephthalate-polyalkylene glycol copolymer support  
A diffusion transfer photographic film, in which a film of a polyethylene terephthalate copolymer is a part of the constituents thereof, the polyethylene terephthalate containing about 3 to about...
4179538 Process of eliminating cracking in the coating of TiO.sub.2 layers  
A process for eliminating cracking in a titanium dioxide-hydroxyethylcellulose layer by simultaneously coating thereover a hydrophilic colloid layer such as gelatin.
4148653 Restraining layer for retarding the diffusion of hydroxyl ions in the dye diffusion transfer process  
A restraining layer capable of retarding the diffusion of hydroxyl groups is of particular use in a neutralization system for the dye diffusion transfer process. The restraining layer of the...
4134768 Photographic uses of polyvinyl-phenylmercapto-tetrazoles  
Polymeric derivatives of tetrazole-5-thiols are useful in conjunction with photosensitive silver halide elements as interlayers to provide interimage control, as dispersants for dye image-forming...
4126464 Low temperature adhesives for photographic materials  
Disclosed herein are non-pressure sensitive, heat sealable adhesive compositions having high bonding strengths at temperatures below 75° C which consist essentially of a mixture of a block...
4123275 Color diffusion transfer photographic materials with vinyl copolymer neutralization rate controlling layer  
In a color diffusion transfer photographic material comprising a photosensitive element including at least one light-sensitive silver halide emulsion layer having a dye image providing material...
4102685 Photographic uses of polyvinylphenylmercapto-tetrazole:multivalent metal cation combinations  
Diffusion transfer photographic products are disclosed which comprise a support carrying at least a photosensitive silver halide emulsion layer, a dye image-forming material and a layer comprising...
4088499 Selectively permeable layers for diffusion transfer film units  
Disclosed herein is an image-transfer film unit comprising: (1) a photosensitive element comprising a support, having thereon at least one silver halide emulsion layer; (2) an image-receiving...
4088493 Diffusion retarding layers comprising polymers of dimethoxyethylene  
A neutralization system for the dye diffusion transfer process comprises an acid polymer layer containing a polymer with free acid groups and a retarding layer. The retarding layer contains a...
4061496 Combination of two timing layers for photographic products  
A temporary barrier between reactants in photographic products and especially for color diffusion transfer film units comprises two contiguous layers, one layer comprising a polymeric timing layer...
4056394 Timing layer for color transfer film units comprising copolymer with activation energy to penetration greater than 18 kcal/mole  
A temporary barrier between reactants in photographic products and especially for color diffusion transfer film unit comprises a polymeric layer of at least partially coalesced latex, said layer...
4056397 Dye diffusion transfer material with graft polymer binding layer  
In a photographic monosheet material for the dye diffusion transfer process a temporary bond is adjusted between a first layer and a second layer by placing between said layers another layer of a...
4054722 Acyloxy substituted acrylate timing layers for color diffusion transfer  
A material for a color diffusion transfer photographic process, which possesses neutralizing means comprising the combination of a layer containing a polymer having a repeating unit represented by...
4038082 Image-receiving material for color diffusion transfer comprising PVA and polymethylol compounds  
An image-receiving element for color diffusion transfer photography for use with a photographic element containing at least one silver halide emulsion layer having incorporated therein a dye image...
4009030 Timing layer for color transfer assemblages comprising a mixture of cellulose acetate and maleic anhydride copolymer  
Timing layer for color diffusion transfer assemblages comprises a mixture of cellulose acetate and a maleic anhydride copolymer with 2 to 20% by weight of the mixture being said copolymer.
4009031 Diffusion transfer image-receiving element having polyvinylpyridine layer treated with hydrophilic colloid/ammonia solution  
Coating a solution comprising a hydrophilic colloid and ammonia over a receiving layer comprising polyvinylpyridine in an image-receiving element of a photographic film unit significantly reduces...
3904417 Color diffusion transfer dye image-forming material binder layers containing a water-soluble cellulose salt  
Photographic products for forming diffusion transfer images, particularly multicolor transfer images, which products contain one or more gelatin-containing layers including the addition of a...
3888669 Photographic products and processes with barrier layers for diffusable dyes  
The present invention relates to photography, particularly, to photographic products specifically adapted for employment in specified photographic diffusion transfer color processes and, more...
3868252 Photographic elements containing polymeric oxidants  
Nitroxyl-containing polymers are useful as oxidants in photographic elements or film units.
3865593 PHOTOGRAPHIC FILM UNIT FOR A PHOTOGRAPHIC DIFFUSION TRANSFER COLOR PROCESS CONTAINING COUPLER-DEVELOPERS  
A non-stripping photographic film unit for a diffusion transfer color process which is adapted to be processed by passing the unit between a pair of juxtaposed pressure-applying members, comprising...
3856522 SPACER LAYER FOR DYE DIFFUSION TRANSFER FILM  
Novel photographic products for use in color diffusion transfer systems employing a neutralizing layer for lowering the environmental pH after application of an aqueous alkaline processing fluid...
3833369 COLOR DIFFUSION TRANSFER FILMS AND PROCESSES WITH POLYMER ENCAPSULATED REFLECTING AGENTS  
Photographic systems for forming images by diffusion transfer wherein an aqueous processing composition including a reflecting agent, e.g., a white pigment, is applied between an exposed...
3819376 SENSITOMETRIC MODIFICATION BY PRE-EXPOSURE  
The sensitometric properties of multicolor diffusion transfer film units may be modified after the photosensitive element has been coated. Sensitometric modification is effected by a uniform...
3819381 DYE DIFFUSION TRANSFER FILM CONTAINING ALKALI-DISSOCIABLE INORGANIC SALTS  
Integral negative-positive film units adapted for forming multicolor transfer images, which film units include A negative component comprising a blue-sensitive, a green-sensitive and a...
3816125 PHOTOGRAPHIC PRODUCTS AND PROCESSES  
The present invention is directed to photography and particularly to diffusion transfer color processes wherein the color separation and highlights are significantly enhanced by carrying out said...
3785815 SPACER OR TIMING LAYER IN COLOR DIFFUSION TRANSFER FILM  
Novel photographic products for use in color diffusion transfer, particularly color diffusion transfer systems for forming color images viewable without separation as reflection prints, which...
3784382 INTERNAL SUPPORT FOR DIFFUSION TRANSFER ELEMENT  
An internal support for a photographic element and film unit is described comprising a porous, polymeric material with pore diameters ranging from about 0.5 to about 12 microns and a porosity of...
3753764 PHOTOGRAPHIC DIFFUSION TRANSFER PRODUCT AND PROCESS  
A receiving sheet for use in a diffusion transfer process comprises a polyolefin surface such as polyethylene over which is coated a cellulose ester layer such as cellulose triacetate, an acid...
3721555 DIFFUSION TRANSFER RECEPTION ELEMENTS, FILM UNITS AND PROCESSES THEREFOR  
Vinyl polymers containing anionic solubilizing groups are employed as the binder in a light-reflective layer which is associated with a dye image-receiving layer employed in color diffusion...
3644116 IDENTIFICATION CARDS HAVING DIFFUSION TRANSFER LAMINATIONS  
Laminar structures comprising a photographic image in silver laminated to a transparent layer through or via a layer comprising a water-activated plasticized vinyl acetate polymer.
3619155 PHOTOGRAPHIC PRODUCTS AND PROCESSES UTILIZING A POLYVALENT METAL ION-CROSS-LINKED POLYMERIC LAYER  
A photographic film unit adapted to be processed by passing said unit between a pair of juxtaposed pressure-applying members which includes a composite structure composed of a plurality of layers...
3617272 MULTICOLOR DYE DEVELOPER SYSTEMS  
Photographic elements wherein at least two adjacent image-forming units (each comprising silver halide and dye developer) are separated by an alkali-permeable, water-insoluble stratum of a...
3615422 PHOTOGRAPHIC PRODUCTS AND PROCESSES  
Diffusion transfer photographic products comprising a support carrying at least two selectively sensitized silver halide emulsion layers, each having a dye which is a silver halide developing agent...
3537849 PHOTOGRAPHIC MULTICOLOR DIFFUSION TRANSFER PROCESS USING DYE DEVELOPERS AND ELEMENT  
3477849 MULTI-COLOR DYE DEVELOPER SYSTEMS  
Matches 151 - 200 out of 236 < 1 2 3 4 5 >