Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03C - Photosensitive materials for photographic purposes; Photographic processes, e.g. cine, x-ray, colour or stereo-photographic processes; Auxiliary processes in photography › G03C 7 - Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
Patents for G03C 7 - Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (10,584)
07/1991
07/02/1991US5028519 Silver halide color photosensitive material
07/02/1991US5028517 Reduced fogging, less replenishing
07/02/1991US5028515 Method for producing a color print comprising developing a specific material without benzyl alcohol
06/1991
06/27/1991DE3942395A1 Fixing photographic material in developing machine - sprays film with regenerating soln. on both sides on entering and leaving fixing tank
06/26/1991EP0434148A1 Photographic material and process comprising a pyrazolotriazole coupler
06/26/1991EP0434097A1 A method for processing silver halide color photographic materials
06/26/1991EP0434044A1 Colour photographic light-sensitive material excellent in colour reproduction
06/26/1991EP0434043A1 Color photographic light-sensitive material offering excellent hue reproduction
06/26/1991EP0434028A2 Silver halide color photographic photosensitive materials
06/26/1991EP0433947A1 Color photographic element and process
06/26/1991EP0433812A1 Method for colour developing
06/25/1991US5026867 Improved hue and high molecular extinction coefficient; sharp visible absorption spectra; color photography
06/25/1991US5026631 Silver halide color photographic material
06/25/1991US5026628 Images with improved acutance
06/25/1991CA1285168C Light-sensitive silver halide color photographic material
06/20/1991CA2029589A1 Photographic material and process comprising a pyrazolotriazole coupler
06/20/1991CA2029578A1 Photographic material and process for retouching dye images
06/19/1991EP0433185A1 Process for stabilizing photographic elements
06/19/1991EP0432834A1 Photographic silver bromoiodide emulsions, elements and processes
06/19/1991EP0432804A2 Silver halide photographic photosensitive materials
06/19/1991EP0432499A1 Method for processing silver halide photographic material and composition having fixing ability
06/18/1991US5024930 Silver halide photographic light-sensitive material containing a Novel photographic coupler
06/18/1991US5024929 Separation of auxiliary coupler solvent using a porous hydrophilic membrane
06/18/1991US5024928 Silver halide multilayer color reversal photographic material having improved color reproducibility
06/18/1991US5024925 Method of forming color image from a color reversal photographic material comprising a specified iodide content and spectral distribution
06/18/1991US5024924 Method for processing silver halide color photographic materials
06/18/1991US5024923 Sulfur-containing metal complex
06/14/1991CA2029579A1 Photographic silver bromoiodide emulsions, elements and processes
06/13/1991WO1991008517A1 Process for treating silver halide photographic meterial and composition therefor
06/13/1991WO1991008516A1 Increased activity precipitated photographic materials
06/13/1991WO1991008515A1 Photographic silver halide materials
06/12/1991EP0431585A1 Silver halide photographic emulsion, method of manufacturing the same, and photographic light sensitive material
06/12/1991EP0431568A1 Method for processing a silver halide photographic material
06/12/1991EP0431374A1 Color coupler for photography and silver halide photographic material comprising the same
06/12/1991EP0431329A2 Silver halide color photographic material and a method for forming a color image
06/11/1991US5023170 Light-sensitive silver halide color photographic material
06/11/1991US5023169 Multicolor
06/06/1991DE3939756A1 Bleach baths for processing silver halide photographic materials - contg. ferric iron complex with biodegradable nitrilo mono:acetic acid di:carboxylic acid complex former
06/05/1991EP0430335A2 Improved method of synthesizing phenolic cyan-dye-forming photographic couplers
06/05/1991EP0430245A1 Method of replenishing photographic processing apparatus with processing solution
06/05/1991EP0430003A1 Light-sensitive silver halide color photographic material
06/05/1991EP0430000A1 Bleach bath
06/05/1991EP0429940A1 Method for processing silver halide color photographic material
06/04/1991US5021555 Development inhibitor releasing compound and cyan coupler
06/04/1991US5021336 Color photographic material
06/04/1991US5021333 Color photographic element, compounds and process
06/04/1991US5021332 Color photographic recording material containing a DIR coupler
06/04/1991US5021331 Color photographic recording material containing a DIR coupler
06/04/1991US5021330 Color photographic recording material containing a coupler releasing a photographically active compound
06/04/1991US5021329 Silver halide photographic material containing a dye precursor residue
06/04/1991US5021328 Silver halide color photographic materials
06/04/1991US5021326 Process for rapidly processing a color photography material
06/04/1991US5021325 Photographic material and process comprising a pyrazolotriazole coupler
06/04/1991US5021322 Photographic element comprising a development inhibitor releasing compound having a linking group between the carrier and the inhibitor
05/1991
05/30/1991WO1991007699A1 Replenishment system for colour paper developer
05/30/1991WO1991007698A1 Low effluent replenishment system for colour negative developers
05/29/1991EP0429240A1 Silver halide photographic material
05/29/1991EP0429098A1 Photographic silver halide materials and process comprising a pyrazoloazole coupler
05/29/1991EP0428902A1 Silver halide color photographic materials
05/29/1991EP0428899A2 Silver halide color photographic material and method for processing thereof
05/28/1991US5019850 Photographic developing apparatus
05/28/1991US5019493 Silver halide photographic material and method of forming a dye image thereon
05/28/1991US5019492 Increased storage stability, rapid release on reaction with dinucleophile
05/28/1991US5019490 Silver halide photographic materials
05/28/1991US5019489 Color photographic element and process
05/22/1991EP0428112A1 Method for processing silver halide photographic light-sensitive material
05/22/1991EP0428101A1 Method for processing silver halide color photographic material
05/21/1991US5017667 Low temperature process, copolymerization with noncoupling monomer, color photography
05/21/1991US5017467 Photographic material with imidazole cyan coupler
05/21/1991US5017466 Heat resistant color images
05/21/1991US5017465 Light-sensitive silver halide photographic material
05/21/1991US5017464 Silver halide light-sensitive photographic material having improved light fastness
05/16/1991CA2030041A1 Silver halide photographic material
05/15/1991EP0427225A1 Direct positive color photographic material
05/15/1991EP0427204A1 Method for processing silver halide colour photographic materials
05/15/1991EP0426805A1 Photographic beta-ketoamide and photographic elements containing them.
05/14/1991US5015565 Silver halide emulsion on a support with a cyan coupler
05/14/1991US5015564 Stabilizatin of precipitated dispersions of hydrophobic couplers, surfactants and polymers
05/14/1991US5015563 Comprising silver halide grains formed in the presence of the mercapto or azaindene compound, a coupler and a high-boiling organic solvent (dielectric of <6); antifogging agents
05/14/1991CA1284151C Photographic system
05/14/1991CA1284052C Method for processing silver halide color photographic light-sensitive material
05/08/1991EP0426194A1 Method of processing silver halide colour photographic material
05/08/1991EP0426193A1 Silver halide photographic material and processing solution and process for the processing thereof
05/08/1991EP0426062A1 Method for processing a silver halide colour photographic material
05/08/1991EP0426043A2 Silver halide color photographic material and method for forming color image
05/08/1991EP0258288B1 Photographic color developing compositions which are especially useful with high chloride photographic elements
05/07/1991US5013640 Blend of surfactants
05/07/1991US5013639 Incorporation of hydrophobic photographic additives into hydrophilic colloid compositions
05/07/1991US5013636 Magenta coupler and water soluble dye, films and paper
05/07/1991US5013633 Method for developing a silver halide color photographic light-sensitive material for color proof using a specified color developing agent
05/07/1991US5013138 Liquid crystal display
05/07/1991CA1283919C Synthesis and use of novel pyrazolo(3,2-c)-s-triazole photographic couplers
05/02/1991WO1991006038A1 Color imaging process and apparatus
05/02/1991EP0425258A1 Method for processing light-sensitive silver halide photographic material
05/02/1991EP0269646B1 Photographic system
05/02/1991DE3936300A1 Photographic material giving stable cyan image - contg. phenyl-ureido-phenol coupler in hydroxy or alkoxy phenyl sulphonyl or sulphonamido phenol oil former
05/01/1991CN1051092A Regeneration technology of colour information
04/1991
04/30/1991US5011766 Silver halide color photographic light-sensitive material
04/30/1991US5011765 Two-equivalent pyrazolo(5,1-b) quinazolone type; heat and moisture resistant
04/30/1991US5011764 Silver halide color photographic material which forms a color photographic image with improved preservability
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