Patents for G03C 7 - Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (10,584)
08/1982
08/03/1982CA1128798A1 Photographic use of benzisoxazolone compounds which liberate developer and scavenge oxidized developer
07/1982
07/28/1982EP0056444A2 Photographic elements containing blocked photographic reagents and processes employing same
07/27/1982US4341864 Photographic elements containing cyan-forming couplers
07/27/1982CA1128543A1 Yellow-dye-forming couplers
07/20/1982US4340664 Copolymer latex and photographic silver halide materials containing such latex
07/20/1982EP0047781A4 Dye-forming developers.
07/13/1982US4339523 Process for producing photographic images
07/13/1982US4339515 Method of stabilizing color photographic materials and a color photographic material
07/12/1982EP0027461A4 Color transfer film and process.
07/06/1982US4338393 Color photography
06/1982
06/23/1982EP0054513A1 Process for the production of photographic colour images according to the silver dye bleaching process, and photographic material used in this process
06/22/1982US4336327 Colorfastness; color fims
06/22/1982US4336325 Containg a magenta color-forming coupler which prevents yellow stain
06/22/1982US4336324 Method for the processing of silver halide color photographic light-sensitive materials
06/22/1982US4336322 Dye releasing redox compound
06/15/1982US4335245 Reaction of a hydroxypyridone with p-nitrosodimethylaniline followed by hydrolysis
06/15/1982US4335197 Photoimaging process
06/10/1982WO1982001944A1 Thermodevelopable diazotype materials containing an activator precursor releasing during heating a strong base
06/08/1982US4334011 Color photographic light sensitive materials
06/08/1982US4333999 Cyan dye-forming couplers
06/02/1982EP0052942A1 Photoimaging process
06/01/1982US4332886 Color photographic light-sensitive material including an organic spirobis compound color coupler
06/01/1982US4332885 Useful in wide range of temperature and climate conditions
06/01/1982CA1124564A1 Black-and-white photographic elements containing a nondiffusible resorcinol coupler and silver halide developing agent
05/1982
05/18/1982US4330616 Stabilizing an aqueous amine-containing developing solution with a diphosphonic acid, metal salt, iminodicarbonic or polypho0phoric acid
05/18/1982US4330606 Antifading agent
05/18/1982CA1123648A1 Low silver wash-off film containing pretreated carbon black
05/04/1982US4328306 Metal carboxylate promoters of hydrogen peroxide bleaching using a silver halide emulsion
05/04/1982CA1123148A1 Polymers and photographic use thereof
05/04/1982CA1122843A1 Silver halide photographic light-sensitive material containing a photographic additive in a phosphoric acid ester solvent
05/04/1982CA1122842A1 Color photographic light-sensitive material containing 2,5-bis (1,1'-dimethylbutyl) hydroquinone and a 3-anilino 5-pyrazolone magenta coupler
05/04/1982CA1122841A1 Silver diffusion transfer film unit transparency
04/1982
04/28/1982EP0050474A2 Process for preparing elements containing interlaid arrays of compositions in microareas and elements
04/27/1982US4327175 Silver halide color photographic light-sensitive material
04/27/1982US4327173 Cyanine dye-forming coupler; heat resistance; photostability; colorfastness
04/27/1982CA1122464A1 Hardening photographic layers containing gelatin using a combination of slow acting and quick acting hardeners
04/20/1982US4326024 Silver halide emulsion containing yellow-dye-forming coupler
04/20/1982US4326022 For a hydrophobic coupler in a silver halide emulsion
04/15/1982WO1982001260A1 Chemically sensitized silver halide photographic emulsions and color photographic elements containing said emulsions
04/14/1982EP0049686A1 Hydroquinone derivatives, their preparation and use in photographic materials
04/14/1982EP0049620A2 Plural imaging component microcellular elements and processes for their preparation
04/14/1982EP0049449A1 Photosensitive photographic recording material based on silver halide
04/14/1982EP0049399A2 Process for producing dispersions of hydrophobic colour couplers in water, and use of these dispersions in producing light-sensitive reproduction materials
04/14/1982EP0049245A1 Photographic processing concentrates
04/13/1982US4324898 Heterocyclic compounds useful as color photographic material
04/13/1982US4324856 Stable precursors of developers
04/13/1982US4324855 Process for developing a silver halide emulsion
04/13/1982CA1121643A1 Bleach-fix sheet containing a metallic silver bleaching agent, a silver salt fixing agent and a hydrophilic binder
04/13/1982CA1121642A1 Process for the production of masked positive colour images by the silver dye bleach process
04/07/1982EP0049003A1 Dye-diffusion transfer process
04/06/1982US4323682 Quinoxalines and their use in photographic processes
04/06/1982US4323644 Acrylic copolymer useful as a fixature or gelatin hardening agent
04/06/1982US4323642 Stable photographic developers containing an indazole antifoggant and a lignosulfonate
04/06/1982US4323635 Diffusion transfer color photographic film units
04/06/1982CA1121202A1 Direct positive silver halide light-sensitive material including a thioureido hydrazide fogging (nucleating) agent
03/1982
03/31/1982EP0048700A1 Color photographic elements with improved mechanical properties
03/30/1982US4322492 Process for the development of color photographic images with p-dialkylaminoaniline color developers
03/30/1982CA1120767A1 Photosensitive medium for optical information storage
03/30/1982CA1120762A1 Regeneration of spent colour developers using an anion exchanger preceded by an adsorbent
03/24/1982EP0047781A1 Dye-forming developers.
03/23/1982CA1120305A1 Photosensitive polymer composition containing ascorbic acid derivatives
03/18/1982WO1982000901A1 Method of recovering a photographic addendum from a dispersion thereof
03/17/1982EP0047449A2 Process for the production of colour-photographic images
03/16/1982US4320193 Photographic emulsions having special chromatic effects
03/16/1982US4320187 Photographic film unit for diffusion transfer with a translucent mask sheet
03/16/1982CA1119872A1 Substituted 1-phenyl-3-pyrazolidinone electron transfer agents
03/16/1982CA1119871A1 Alkaline processing compositon containing a saturated, aliphatic w-amino acid or a mixture of a saturated carboxylic acid and a primary amine
03/10/1982EP0047170A1 Method of recovering a photographic addendum from a dispersion thereof
02/1982
02/24/1982EP0046247A1 Process for making dispersions and photographic materials
02/10/1982EP0045633A2 Photographic elements employing nondiffusible 6-arylazo-3-pyridinol magenta dye-releasing compounds and precursors thereof
02/10/1982EP0045427A2 Light-sensitive photographic recording meterial and its use in producing photographic images
02/09/1982US4315070 Color-photographic recording material containing a highly reactive dir-coupler
02/09/1982US4315069 Color coupler combination
02/03/1982EP0045129A2 Masked antifoggant compounds for silver photographic systems
02/02/1982US4314023 Azo-methine dyes
02/02/1982US4314011 Color photographic material
02/02/1982US4313808 Electrodialyzer and method of regenerating waste photographic processing solution
01/1982
01/27/1982EP0044813A2 Process for the formation of negative colour images according to the silver dye-bleaching process, and the silver dye-bleaching material used in this process
01/27/1982EP0044812A2 Process for the formation of masked positive colour images according to the silver dye-bleaching process, and the silver dye-bleaching material used in this process
01/26/1982CA1116897A1 High resolution halftone microimages and method therefor
01/20/1982EP0044279A2 A method of processing monochrome silver halide material
01/12/1982US4310693 o-Aminophenol compounds
01/12/1982US4310623 Thio-pyrazoline coupler
01/12/1982US4310621 Photosensitive photographic material, a process for the production of photographic images, development baths and new hydroquinones
01/12/1982US4310619 Light sensitive element comprising a 5-pyrazolone coupler
01/12/1982US4310618 Silver halide photographic material and process utilizing blocked dye-forming couplers
01/12/1982US4310617 Process for the production of masked positive color images by the silver dye bleach process
01/12/1982US4310612 Blocked photographically useful compounds in photographic compositions, elements and processes employing them
01/06/1982EP0043037A1 Dispersion process
01/05/1982US4309500 Containing absorber of ultraviolet light
01/05/1982CA1115581A1 Color photographic material containing a cyan dye and a 2-phenyl benzotriazole compound
01/05/1982CA1115580A1 Photographic dye diffusion transfer process
12/1981
12/29/1981US4308343 Magenta 2-equivalent coupler
12/29/1981US4308336 Using a heterocyclic thiohydroquinone
12/29/1981US4308332 Conductive latex compositions, elements and processes
12/29/1981CA1115108A1 Thermal silver-dye bleach element containing an organic ammonium chloride, bromide or iodide as a silver halide complexing agent
12/22/1981US4307184 As ultraviolet radiation absorbers
12/22/1981US4307182 Imaging systems with tetra(aliphatic) borate salts
12/22/1981US4307175 Photographic silver halide emulsion material containing an antifoggant precursor
12/22/1981US4307165 Plural imaging component microcellular arrays, processes for their fabrication, and electrographic compositions