| 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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| 02/07/1978 | US4072523 Development of photographic silver halide material |
| 01/31/1978 | US4071365 Silver halide emulsion containing two-equivalent yellow dye-forming coupler |
| 01/24/1978 | US4070191 Pyrazolone dyes |
| 01/24/1978 | US4070188 One bath type silver dye bleaching and silver bleaching |
| 01/17/1978 | US4069050 Intensification with fog control |
| 01/03/1978 | US4066461 A p-phenylenediamine and a 2-alkyne-1-ol color developer |
| 01/03/1978 | US4066457 P-phenylenediamine derivatives |
| 01/03/1978 | US4066456 Color photographic films |
| 12/27/1977 | US4065435 Water-soluble polymers and process for producing the same |
| 12/27/1977 | US4065309 Method of enhancing the information legibility of multi-color graphic material |
| 12/20/1977 | US4063950 DIR coupler that forms colorless reaction product |
| 12/13/1977 | US4062684 Antifogging, nitrogen heterocycle |
| 12/13/1977 | US4062683 Photographic material containing 3-anilino-5-pyrazolylalkylcarbonate or arylcarbonate couplers |
| 11/29/1977 | US4060418 Phenoxy carbonyl derivatives of a paraphenylenediamine color developer and their use in an image-receiving sheet for color diffusion transfer |
| 11/22/1977 | US4059447 Photographic material containing oxazolinone-2 couplers |
| 11/08/1977 | US4057432 Acylacetanilide coupler with heterocyclic diacyl amino coupling-off group |
| 11/08/1977 | US4057428 Silver halide emulsion |
| 11/08/1977 | US4057427 Peroxide redox amplification imaging using manganese catalyst images |
| 11/08/1977 | US4057326 Simplified and improved diffractive subtractive color filtering technique |
| 10/25/1977 | US4055833 Method of deriving characteristic contours from a colored picture |
| 10/25/1977 | US4055429 Inhibitor barrier layers for photographic materials |
| 10/25/1977 | US4055426 Process for stabilizing a color developing solution |
| 10/25/1977 | US4055422 Additive for inhibitor removing bath |
| 10/04/1977 | US4052216 Reduce fading of image dye |
| 10/04/1977 | US4052215 Color photographic multilayered material with improved color density |
| 10/04/1977 | US4052213 Oxazolinone-2-compounds containing a mercapto group |
| 10/04/1977 | US4052212 Photographic silver halide emulsion containing 2-equivalent cyan coupler |
| 09/27/1977 | US4051123 Sulfonic-acid-group containing disazo dyestuffs |
| 09/27/1977 | US4050797 Method and apparatus for obtaining images of different color intensities combinations and relationships |
| 09/20/1977 | US4049458 Ketomethylene coupler containing a splittable pyrrole, diazole or triazole ring attached through the nitrogen |
| 09/20/1977 | US4049456 Light-sensitive silver halide color photographic material |
| 09/20/1977 | US4049455 Development inhibitor releasing compound |
| 09/20/1977 | US4049454 Color radiography |
| 09/13/1977 | US4047956 Photography |
| 09/06/1977 | US4046575 Color photographic material containing 2-equivalent yellow couplers |
| 09/06/1977 | US4046574 Color photographic material with homophthalimide thioether development inhibitor |
| 09/06/1977 | US4046573 Color photographic materials |
| 09/06/1977 | US4046572 Silver halide photographic light sensitive material |
| 09/06/1977 | US4046566 Process for the production of masked positive color images by the silver dye bleach process using silver complex diffusion |
| 08/30/1977 | USRE29379 Color photographic light-sensitive material |
| 08/30/1977 | US4045226 Image forming process by color intensification |
| 08/30/1977 | US4045225 Method of forming a photographic image |
| 08/30/1977 | US4045222 Etch bleaching process |
| 08/23/1977 | US4043814 Image intensification |
| 08/16/1977 | US4042394 Photographic dye image stabilization |
| 08/16/1977 | US4042393 Silver halide emulsion containing two equivalent type coupler for use in photography |
| 08/09/1977 | US4040838 Processing color photographic materials |
| 08/09/1977 | US4040837 Photographic bleach-fixer |
| 08/09/1977 | US4040836 Silver halide emulsion containing two-equivalent coupler |
| 08/09/1977 | US4040835 Two-equivalent magenta couplers with amido coupling-off groups |
| 08/09/1977 | US4040834 Regeneration of photographic processing solutions |
| 08/09/1977 | US4040829 Multilayer multicolor photographic materials |
| 07/26/1977 | US4038081 Development method |
| 07/26/1977 | US4038079 Process for the regeneration of photographic bleach-fix baths |
| 07/26/1977 | US4038075 Polyoxyethylene glycol derivative as activator |
| 07/19/1977 | US4036646 Multilayer, silver halide emulsions |
| 07/12/1977 | US4035188 Preservative, buffer, accelerator, benzyl alcohol |
| 07/12/1977 | US4035187 Process for bleaching silver halide photographic elements containing anionic organic acid compounds |
| 07/12/1977 | US4035184 Method of producing reversal color images |
| 07/05/1977 | US4033771 Stabilized bleach-fixing baths |
| 06/28/1977 | US4032347 2-equivalent acylacetamide yellow forming couplers with 2,6-dioxo-7-purinyl coupling off group |
| 06/28/1977 | US4032346 Silver halide emulsion containing two-equivalent magenta coupler |
| 06/28/1977 | US4032345 Silver halide materials containing photographic color couplers with isothiocyanato groups |
| 06/21/1977 | US4031130 Dialkyl ketone, dialkylcarbonate |
| 06/14/1977 | US4029509 Photography |
| 06/14/1977 | US4029508 Photography |
| 06/07/1977 | US4028106 Method for developing an exposed silver halide color photosensitive material |
| 05/31/1977 | US4026709 Color photographic recording material |
| 05/31/1977 | US4026706 Silver halide multilayer photosensitive material |
| 05/17/1977 | US4023970 Light-sensitive color photographic material with masking layer comprising spontaneously silver halide |
| 05/10/1977 | US4022620 Silver halide, amine |
| 05/10/1977 | US4022616 Photographic process involving amplification with CO (III) complexes, silver-dye-bleaching and colorless dye formers which form bleachable dyes |
| 05/03/1977 | US4021445 4, 4-dihalo-2-pyrazolin-5-one with a trialkylphosphite |
| 05/03/1977 | US4021428 4-Piperidino-5-oxo-2-pyrazolines |
| 05/03/1977 | US4021248 Silver halide |
| 05/03/1977 | US4021247 Method of dispersing organic compounds useful in photography |
| 05/03/1977 | US4021238 Silver halide emulsion layers, dyes |
| 04/19/1977 | US4018609 Color photographic multilayered material with layers of acid ashed gelatine |
| 04/05/1977 | US4015990 Color photographic lightsensitive material |
| 04/05/1977 | US4015989 Color light-sensitive material with spontaneously developable silver halide emulsion containing desensitizing dye |
| 04/05/1977 | US4015988 Silver halide emulsion, dye couplers |
| 03/29/1977 | US4014698 Method for processing silver dye bleach materials |
| 03/22/1977 | US4013471 Development of photographic silver halide elements |
| 03/15/1977 | US4012259 Dicarbonyl methylene group on a 2,5-dioxo-1-imidazolidine is a yellow coupler |
| 03/15/1977 | US4012258 Poly-fluoro-alkyl magenta or cyan coupler |
| 03/01/1977 | US4010035 Light-sensitive silver halide color photographic material and a process for developing thereof |
| 03/01/1977 | US4009527 Coordinated color chart system, and method for producing same |
| 02/22/1977 | US4009038 Cyan coupler, a 2-(2'-hydroxyphenyl)benzotriazole |
| 02/22/1977 | US4009035 Process for forming cyan dye photographic images |
| 02/22/1977 | US4009029 Photography |
| 02/15/1977 | US4008086 Silver halide emulsion containing photographic yellow coupler |
| 01/25/1977 | US4004929 Naphtholic couplers, color couplers |
| 01/25/1977 | US4004928 Color photographic material |
| 01/25/1977 | US4004926 P-phenylenediamines, hydrazones, color couplers |
| 01/18/1977 | US4003748 Incorporation process |
| 01/18/1977 | US4003653 Method of producing color slides from black and white originals |
| 12/28/1976 | US4000156 Preparation of 4-methyl-2-pyrazolin-5-ones |
| 12/28/1976 | US3999991 Light sensitive materials; silver halide emulsion layer |
| 12/21/1976 | US3998642 Silver halide emulsions with incorporated 4,6-difluorophenolic couplers |
| 12/21/1976 | US3998641 A 2-cyclotetramethylene sulfone-containing beta-ketoacetanilide |