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)
10/1990
10/31/1990EP0394762A2 Colour photographic recording material with a colour coupling substance of the pyrazoloazole type
10/30/1990US4966836 Direct positive photographic light-sensitive material
10/30/1990US4966835 Method for processing a silver halide color photographic material
10/30/1990US4966834 Method for processing a silver halide color photographic material
10/30/1990US4966833 Using heterocyclic nitrogen containing compound
10/30/1990US4966826 Peel-apart, layers of cellulose ester and carboxyl-containing polymer
10/27/1990WO1990013061A1 Method of forming a photographic colour image
10/27/1990WO1990013060A1 Method of photographic processing
10/27/1990WO1990012898A1 A method of recovering silver from photographic processing solutions
10/27/1990CA2053221A1 Method of forming a photographic colour image
10/27/1990CA2028847A1 Method of recovering silver from photographic processing solutions
10/27/1990CA2028843A1 Method of photographic processing
10/27/1990CA2015436A1 Piperidine-triazine compounds for use as stabilizers for organic materials
10/26/1990CA2013314A1 Photographic material and process
10/24/1990EP0393721A2 Silver halide photographic material
10/24/1990EP0393720A2 Silver halide photographic materials
10/24/1990EP0393718A2 Silver halide color photographic material
10/24/1990EP0393523A2 Color developing agent and image forming process
10/24/1990EP0393429A2 Processing method for a colour photogaphic material
10/24/1990CN1046395A Developing-fixing liquor and developing process for both colour negative film and colour printing paper
10/23/1990US4965179 Silver halide color photographic material
10/23/1990US4965176 Method for processing light-sensitive silver halide color photographic material
10/23/1990US4965175 Method for processing a silver halide photosensitive material for color photography
10/23/1990US4965174 Color forming layer responsive to hydrogen ion concentration; photosensitivity to specific wavelenghts
10/23/1990US4965170 Reducible, time-releasing dye compound; nondiffusing; antisoilants; also including a high-contrast hydrazine derivative
10/18/1990DE3912265A1 Colour photographic material contg. immobile pyrazolo:azole coupler - with special ballast gp. giving dense magenta image with reduced pH sensitivity
10/17/1990EP0392481A2 Image forming method
10/16/1990US4963475 Method for processing silver halide photo-sensitive material
10/16/1990US4963474 Method for processing silver halide color photographic material
10/16/1990US4963466 Silver halide photographic light-sensitive material suitable for rapid processes comprising hydroquinone and an antifoggant
10/16/1990US4963465 Couplers differing in coupling rate
10/10/1990EP0391373A2 Silver halide color photographic light-sensitive material
10/10/1990EP0391341A2 Silver halide light-sensitive photographic material
10/09/1990US4962018 Timed release development inhibitor
10/09/1990US4962017 Silver halide photographic materials
10/09/1990US4962015 Silver halide photographic material
10/09/1990US4962014 Process for processing silver halide color photographic materials
10/07/1990CA2010000A1 Photographic recording material containing a cyan dye-forming coupler
10/03/1990EP0389817A1 Silver halide color photographic materials
10/03/1990EP0389691A1 Process for the formation of multicolour colloid patterns
10/03/1990CN1045869A Synthesis of colourless compound capable of releasing developing promotor
10/02/1990USH830 Silver halide color photographic material
10/02/1990US4960689 Color photographic light-sensitive material and method of developing the same
10/02/1990US4960688 Containing water soluble polymer
10/02/1990US4960685 Color photographic element and process
10/02/1990US4960684 Method for processing silver halide color photographic materials
10/02/1990US4960682 Using dye stabilizing formaldehyde percursor
09/1990
09/27/1990DE4008785A1 Alkylated hydroquinone ether stabilisers - in colour photographic materials contg. pyrazolo:azole magenta couplers
09/25/1990US4959480 Forms a magenta dye having increased stability and controllably shifted absorption
09/25/1990US4959300 Silver halide photographic light-sensitive material with improved gradation balance
09/25/1990US4959299 Silver halide color photographic materials
09/25/1990US4959298 Silver halide color photographic material
09/19/1990EP0266410B1 Imaging elements having hydrophilic layers containing hydrophobes in polymer particles and method for manufacture thereof
09/18/1990US4957857 Stabilization of precipitated dispersions of hydrophobic couplers
09/18/1990US4957853 Silver halide color photographic light-sensitive material containing cyan coupler and method for use thereof
09/17/1990WO1990010881A1 Method of production and duplication of filter, and method of production of photosensitive member provided with the filter
09/12/1990EP0386931A1 A novel cyan coupler
09/12/1990EP0386930A1 A silver halide photographic material
09/12/1990EP0386669A2 Color light-sensitive material
09/11/1990US4956702 Imaging apparatus including three laser diodes and a photographic element
09/11/1990US4956269 Tabular grains
09/11/1990US4956268 Two-part; reducing agent, solvent, preservative; oxidizer; bleaching agent, acid
09/11/1990US4956267 Method for forming a direct positive color image
09/11/1990US4956254 Support with microcapsules, multilayer, containing a boron anion salt of a cationic dye
09/09/1990CA2011730A1 Silver halide color photographic materials
09/07/1990WO1990010253A1 The use of pyrazolo-triazole photographic colour couplers
09/05/1990EP0385496A2 Color light-sensitive material
09/05/1990EP0385271A1 Tetrahydroquinolines and method of preparation
09/04/1990USH817 Photographic light-sensitive material
09/04/1990US4954432 Colorfastness to light, good gradation to yellow dye images
09/04/1990US4954431 Containing a specific magenta coupler and a heterocyclic mercapto compound
09/04/1990US4954429 Silver halide color photographic material for laser recording
09/04/1990US4954427 Development of light-sensitive material in the presence of a nucleating agent and a nuceation accelerator
09/04/1990US4954426 Ammonium ions, reduced magenta stain
09/04/1990US4954425 Method for forming intensified color image
08/1990
08/29/1990EP0384671A2 Light-sensitive silver halide color photographic material
08/29/1990EP0384670A2 Method for processing light sensitive silver halide color photographic material
08/29/1990EP0384669A2 Light-sensitive silver halide color photographic material
08/29/1990EP0384668A2 Light-sensitive silver halide color photographic material
08/29/1990EP0384487A2 Silver halide color photographic material
08/29/1990EP0384411A1 Photochromic recording medium
08/29/1990EP0384393A2 Silber halide color photographic materials
08/28/1990US4952491 Photographic light-sensitive material and method of developing the same
08/28/1990US4952490 Photographic light-sensitive material and method of developing the same
08/28/1990US4952488 Desilvering accelerator, arylureido and carboxamido substituted phenolic cyan coupler
08/28/1990US4952487 Color photographic recording material
08/28/1990US4952486 Support material for thermally developable photographic layers
08/28/1990US4952485 Silver halide color negative photographic materials
08/27/1990CA2009664A1 Tetrahydroquinolines and method of preparation
08/23/1990WO1990010004A1 Pyrazolotriazoles and processes for their formation
08/23/1990CA2026440A1 Pyrazolotriazoles and processes for their formation
08/22/1990EP0383637A2 Light-sensitive silver halide color photographic material
08/22/1990EP0383623A2 Light-sensitive silver halide color photographic material
08/22/1990EP0383589A2 Silver halide photographic light-sensitive material containing novel coupler
08/22/1990EP0383354A2 Silver halide photographic material
08/22/1990EP0383335A2 Direct positive silver halide photographic material
08/22/1990EP0383265A2 Method for forming color image
08/22/1990CA2010602A1 Photochromic recording medium
08/21/1990US4950764 Herbicides, bactericides, analgesics, antiinflammatory agent
08/21/1990US4950585 Cyan couplers comprising imidazo(1,5-a)pyrimidine compounds; colorfastness; heat and humidity resistance; color photography
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