| Patents for G03C 7 - Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (10,584) |
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| 02/05/1991 | US4990435 Silver halide photographic element, photographic coating composition and process to prepare an aqueous dispersion of a hydrophobic compound |
| 02/05/1991 | US4990432 Silver halide photographic light-sensitive material having a reflective base and an antihalation layer having a specified thickness |
| 02/05/1991 | US4990431 Mixing aqueous surfactant solution with solution of solvent, base, photographic material; neutralizing to precipitate particles |
| 02/05/1991 | US4990430 Process for retouching dye images |
| 01/30/1991 | EP0410754A2 Color photographic element and process |
| 01/30/1991 | EP0410450A2 Method for processing silver halide color photographic materials |
| 01/30/1991 | EP0410388A1 Method for processing silver halide photographic materials |
| 01/30/1991 | EP0410383A1 Silver halide photographic material having improved keeping quality |
| 01/30/1991 | EP0410354A1 Processing of silver halide color photographic material |
| 01/30/1991 | EP0410225A1 A silver halide photographic light-sensitive material containing a novel cyan coupler |
| 01/30/1991 | CN1011443B Improvement of x ray film blue dye photographic developing method |
| 01/29/1991 | US4988811 Developer autooxidation promoters for use in direct positive photography in silver halide emulsions |
| 01/29/1991 | US4988614 Silver halide color photographic light-sensitive material containing novel magenta couplers |
| 01/29/1991 | US4988613 Silver halide color photographic material |
| 01/23/1991 | EP0409276A1 Method for processing a silver halide color photographic material |
| 01/23/1991 | EP0409065A1 A method of processing silver halide photograhic materials |
| 01/23/1991 | EP0409019A2 Colour photographic recording material with improved hue reproduction |
| 01/23/1991 | EP0408882A1 Method for production of colour photographic copies |
| 01/22/1991 | US4987058 Photographic processing method |
| 01/22/1991 | US4987043 Delineation of individual color pixels by light-absorbing contour pattern |
| 01/16/1991 | EP0407979A1 A method for processing silver halide photosensitive materials |
| 01/16/1991 | EP0407752A1 Granulated colour photographic bleaching agent and its preparation |
| 01/15/1991 | US4985351 Color, Photosensitivity, latent fogging agents |
| 01/15/1991 | US4985347 Method for processing silver halide color photographic materials comprising the use of specific bleaching agents and hydroxylamines |
| 01/15/1991 | US4985336 Silver halide photographic material |
| 01/09/1991 | EP0407206A1 Silver halide color photographic material |
| 01/08/1991 | US4983507 Containing magenta color image-forming oleophilic coupler |
| 01/08/1991 | US4983506 Silver halide photographic material |
| 01/08/1991 | US4983504 Method and apparatus for processing photographic color materials |
| 01/08/1991 | US4983503 Bleach-fixing |
| 01/08/1991 | US4983494 Image forming process including heating step |
| 01/02/1991 | EP0405238A1 Granulated photographic fixing composition and its preparation |
| 01/02/1991 | EP0405237A1 Photographic processing method |
| 01/01/1991 | US4981773 Method for stabilization of organic base substances against light |
| 12/27/1990 | WO1990016013A1 Hollow silver halide grains and process for the preparation thereof |
| 12/27/1990 | WO1990016011A1 Preparation of low viscosity small-particle photographic dispersions in gelatin |
| 12/27/1990 | EP0403850A2 Color encoding photographic film |
| 12/25/1990 | US4980275 Photographic material and process comprising a dye stabilizer |
| 12/25/1990 | US4980272 Method and a solution for processing a photosensitive silver halide color photographic materials |
| 12/25/1990 | US4980267 Improved dye images on exposure and processing |
| 12/25/1990 | US4980265 Silver halide emulsion and dye releasing compound on support |
| 12/22/1990 | CA2018776A1 Hollow silver halide grains and process for the preparation thereof |
| 12/20/1990 | DE4012305A1 Colour photographic material - contg. carboxy-para-hydroquinone ether having alpha, alpha-branched alkyl gp. as stabiliser for pyrazolone magenta coupler |
| 12/20/1990 | DE3919551A1 Biodegradable bleach bath for photographic silver halide material - contg. ferric salt, chloride, persulphate, nitrate and hydroxy cpd. and/or amine |
| 12/20/1990 | DE3919550A1 Processing colour photographic material contg. specified coupler cpds. - using biodegradable bleach bath contg. ferric salt, chloride, per-sulphate etc. |
| 12/19/1990 | EP0403019A2 Photographic material and process |
| 12/19/1990 | EP0403018A2 Photographic elements containing removable couplers |
| 12/19/1990 | CA2016242A1 Color encoding photographic film |
| 12/18/1990 | US4978606 Color photographic material with water insoluble amido bond polymer |
| 12/18/1990 | US4978605 Improved solubility, photostability |
| 12/18/1990 | CA1277807C Method for increasing color-fastness of organic coloring matter |
| 12/15/1990 | CA2017857A1 Photographic material and process |
| 12/12/1990 | EP0401613A2 Colour photographic recording material with a DIR coupler |
| 12/12/1990 | EP0401612A2 Colour photographic recording material with a DIR coupler |
| 12/12/1990 | EP0401610A2 Silver halide colour photographic material |
| 12/11/1990 | US4977422 Apparatus for transporting flat sheets, especially photosensitive sheet materials |
| 12/11/1990 | US4977073 Color reprocibility |
| 12/11/1990 | US4977072 Color photographic recording material containing color couplers |
| 12/11/1990 | US4977069 Sharpness |
| 12/05/1990 | EP0400738A1 Method of making opaque grid lines for thermally-transferred color filter array element |
| 12/04/1990 | US4975361 Color photographic light-sensitive material |
| 12/04/1990 | US4975359 Photographic light-sensitive materials containing couplers that release diffusible dyes and DIR compounds |
| 12/04/1990 | US4975357 Method of photographic color development using polyhydroxy compounds, metal ions and sequestering agents |
| 12/04/1990 | US4975356 Using sodium formaldehyde bisulfite |
| 11/30/1990 | CA2016832A1 Method of making grid lines for thermally-transferred color filter array element |
| 11/29/1990 | WO1990014615A1 Improved method of photographic color development |
| 11/28/1990 | EP0399953A2 Piperidine-triazine compounds for use as stabilizers for organic materials |
| 11/28/1990 | EP0399541A2 Silver halide color photographic material |
| 11/28/1990 | EP0399460A2 Silver halide photograpic material |
| 11/28/1990 | EP0399434A2 Process for processing silver halide color photographic materials |
| 11/28/1990 | EP0399183A1 Photographic recording material containing a cyan dye-forming coupler |
| 11/27/1990 | US4973701 Liquid substituted 2H-benzotriazole mixtures, stabilized compositions and processes for preparing the liquid mixtures |
| 11/27/1990 | US4973546 Light-sensitive silver halide photographic material improved in stability of dye image |
| 11/27/1990 | US4973545 Multicolor, improved dispersibility |
| 11/27/1990 | US4973535 Photographic recording material comprising a dye image-forming coupler compound |
| 11/25/1990 | CA2017341A1 Piperidine-triazine compounds for use as stabilizers for organic materials |
| 11/22/1990 | EP0398664A2 A silver halide photographic light-sensitive material containing a novel photographic coupler |
| 11/22/1990 | EP0398285A2 Silver halide photographic materials |
| 11/20/1990 | US4971898 Silver halide color photographic light-sensitive material |
| 11/20/1990 | US4971869 Color encoding photographic film |
| 11/15/1990 | WO1990013852A1 Photographic beta-ketoamide and photographic elements containing them |
| 11/14/1990 | EP0397086A2 A method for the manufacture of silver halide color photographic light sensitive materials |
| 11/14/1990 | EP0397050A2 A silver halide color photographic light-sensitive material |
| 11/14/1990 | EP0396900A1 Photographic recording material containing a cyan dye-forming coupler |
| 11/14/1990 | EP0396824A1 Process for the production of a multicolour liquid crystal display device |
| 11/13/1990 | US4970142 Silver halide photographic light-sensitive material containing cyan coupler |
| 11/13/1990 | US4970139 Methods of preparation of precipitated coupler dispersions with increased photographic activity |
| 11/06/1990 | USH851 Silver halide color photographic material containing a magenta coupler and a stain inhibitor |
| 11/06/1990 | US4968598 Heat developable color light-sensitive material |
| 11/06/1990 | US4968595 Silver halide photographic emulsions |
| 11/06/1990 | US4968594 Silver halide color photographic material |
| 11/06/1990 | US4968592 High maximum and low minimum image density |
| 11/06/1990 | US4968591 Magenta coupler, colorfastness, no yellow stain |
| 11/06/1990 | US4968588 Environmentally advantageous; magenta coupler |
| 11/06/1990 | US4968587 Method for producing color print having high quality and long life, applicable for long period conservation |
| 11/01/1990 | WO1990013059A1 Method for adding components to photographic processing solutions |
| 10/31/1990 | EP0395584A2 Piperidine-triazine compounds for use as stabilizers for organic materials |
| 10/31/1990 | EP0395442A2 Stabilizer for silver halide photographic light-sensitive material use and the method of processing the light-sensitive material with the stabilizer |
| 10/31/1990 | EP0395069A2 Silver halide photographic materials |
| 10/31/1990 | EP0394974A2 Photographic material and process |