| 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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| 02/13/1979 | US4139383 Dye diffusion transfer employing pyridine azo dye |
| 02/13/1979 | US4139379 Photographic elements containing ballasted electron-accepting nucleophilic displacement compounds |
| 02/13/1979 | CA1048315A1 Diffractive subtractive color filtering technique |
| 02/07/1979 | EP0000571A1 Process for the production of an original |
| 02/06/1979 | US4138557 2-Equivalent yellow couplers |
| 02/06/1979 | US4138265 Antifoggants in certain photographic and photothermographic materials that include silver salts of 3-amino-1,2,4-mercaptotriazole |
| 02/06/1979 | US4138264 Silver halide emulsion containing two equivalent type coupler for use in photography |
| 02/06/1979 | US4138263 Photographic silver halide material with 2-equivalent, N-heterocyclic yellow couplers |
| 02/06/1979 | US4138260 Photographic film unit with crosslinked neutralization layer |
| 02/06/1979 | US4138259 Color photographic light-sensitive material |
| 02/06/1979 | US4138258 Multi-layered color photographic materials |
| 02/06/1979 | US4138257 Process for the treatment of photographic materials |
| 02/06/1979 | US4138256 Method of processing photographic silver dye bleach materials |
| 02/06/1979 | CA1047821A1 Azo magenta dye-providing compounds |
| 01/30/1979 | US4137080 Polyfunctional coupler and developer |
| 01/23/1979 | US4135929 Photographic sulfonamido compounds and elements and processes using them |
| 01/23/1979 | CA1046826A1 Photo-sensitive composition for dry formation of image |
| 01/16/1979 | US4134768 Photographic uses of polyvinyl-phenylmercapto-tetrazoles |
| 01/16/1979 | US4134767 Bleaching, cyanine dyes, iron salt of edta |
| 01/16/1979 | US4134766 Color photography, phenol coupler |
| 01/09/1979 | US4133958 Splittable 1,3-diazolone-2-ring |
| 01/09/1979 | US4133955 Process for the production of 2-equivalent yellow couplers |
| 01/09/1979 | US4133686 Color photographic light-sensitive element |
| 12/26/1978 | US4131735 Preparation of α-acylacetamides using tetramethyl guanidine condensing agent |
| 12/26/1978 | US4131464 False color photographic element and process |
| 12/19/1978 | US4130427 Silver halide emulsion containing two-equivalent color couplers for yellow |
| 12/19/1978 | US4130347 Fine-line diffractive subtractive color filters |
| 12/12/1978 | US4129739 Amidine compounds |
| 12/12/1978 | US4129446 Color photographic recording material |
| 12/12/1978 | CA1044066A1 Scavenger for integral color transfer assemblage |
| 12/05/1978 | US4128464 Process for regenerating bleaching-fixing solution |
| 12/05/1978 | US4128427 Silver halide emulsions containing polymeric color couplers |
| 12/05/1978 | CA1043619A1 Photopolymerizable copying composition containing copolymeric binder |
| 12/05/1978 | CA1043618A1 Photographic material containing yellow couplers |
| 11/28/1978 | US4127413 Method for the addition of photographic addenda |
| 11/21/1978 | US4126462 A substituted 5-pyrazolone or pyrazolobenzimidazole coupler |
| 11/21/1978 | US4126461 Black-and-white photographic elements and processes |
| 11/14/1978 | US4125402 Method of processing silver dye bleaching materials and preparations suitable for the dye and silver bleaching |
| 11/07/1978 | US4124396 2,5-Dicarbonylaminophenol dye-forming couplers |
| 11/07/1978 | US4124391 Process for processing color photographic material |
| 10/31/1978 | US4123281 Photographic silver halide color material containing fast-acting hardener and 2-pyrazolin-5-one coupler precursors |
| 10/31/1978 | CA1041345A1 Photographic light sensitive element containing yellow color coupler and method for forming yellow photographic images |
| 10/31/1978 | CA1041343A1 Process of forming yellow photographic images |
| 10/24/1978 | US4122027 Contrast ratios |
| 10/24/1978 | US4121939 Color photographic light-sensitive material containing +-alkyl substituted hydroquinone |
| 10/24/1978 | US4121934 Coupling compound which forms colorless compound with oxidized developer |
| 10/24/1978 | CA1041116A1 Color developer compositions containing improved yellow dye-forming coupler |
| 10/17/1978 | US4120725 Color photographic light-sensitive material |
| 10/17/1978 | US4120723 Pyrazolone coupler, phenolic color image stabilizer |
| 10/10/1978 | US4119464 Pre-hardener of complex-forming salt of aluminum, chromium, or zirconium |
| 10/10/1978 | US4119462 Color photographic developer composition |
| 10/03/1978 | US4118232 Photographic material containing sulphonic acid group containing disazo dyestuffs |
| 10/03/1978 | CA1039556A1 Hybrid color photographic elements and processes for developing same |
| 09/26/1978 | CA1039291A1 Substituted type photographic yellow coupler |
| 09/19/1978 | US4115121 Silver halide color photographic material containing yellow coupler |
| 09/12/1978 | US4113954 Multistage; reacting an alkyl b-alkoxy-b-iminopropionate salt with an aniline |
| 09/12/1978 | US4113495 2,4,4-trimethyl-2-(2,5-dihydroxyphenyl)-6-hydroxy-chromans |
| 09/12/1978 | US4113491 Color photographic developing composition |
| 09/12/1978 | US4113490 Method for processing light-sensitive silver halide photographic materials |
| 09/12/1978 | US4113488 Phenolic compound and synergistic sulfide or sulfoxide |
| 09/12/1978 | US4113485 Process for making photo-mechanical drop-out mask |
| 09/05/1978 | US4111699 O-nitro-o-azaarylidene photobleachable dyes and photographic elements utilizing them |
| 08/22/1978 | US4108850 Positive-working immobile photographic azo compounds |
| 08/22/1978 | US4108663 Photographic developing agents, process for developing using same, and light-sensitive materials containing same |
| 08/15/1978 | US4106942 Compounds containing sulfide, ketone, and amide groups |
| 08/15/1978 | US4106940 N-alkylphthalimide derivative oil former |
| 08/08/1978 | US4105656 Process for preparing 3-n-monosubstituted amino-4-substituted-5-pyrazolones |
| 08/08/1978 | US4105533 Electrodialysis cell and method for producing cationic permeable membranes used therein |
| 08/08/1978 | US4105453 Basic mordant, acidic dye, hydrophilic colloid containing a phenoxy(poly)ethoxy sulfate or sulfonate, naphthalene sulfonate layer |
| 08/08/1978 | US4105452 Multi-layered color photographic light-sensitive material |
| 08/08/1978 | US4105318 Pinhole microfiche recorder and viewer |
| 07/18/1978 | US4101364 Method of an apparatus for producing film-laminated base plates |
| 06/27/1978 | US4097278 Cobalt/iii/ complex oxidizer, photography |
| 06/20/1978 | US4095984 Benzothiazolinylidene(amino) benzotriazoles |
| 06/20/1978 | US4095983 Photographic material comprising cyclic sulfonamide substituted yellow color couplers |
| 06/20/1978 | US4095982 Method of developing a silver halide photographic light-sensitive material |
| 06/13/1978 | US4094682 Method for processing light-sensitive silver halide photographic material |
| 05/16/1978 | US4089747 Oxidation of dye-providing materials, a sulfonyl hydrazone and a coupler or a triarylimidazole |
| 05/16/1978 | US4089685 Reversal imaging process including redox amplification |
| 05/09/1978 | US4088491 Light sensitive photographic material |
| 05/09/1978 | US4088486 Process of bleaching silver images to form dye images using cobalt complexes and peroxides |
| 04/25/1978 | US4086094 Hydrophilic colloid layer |
| 04/18/1978 | US4085418 Color image pick-up system using strip filter |
| 04/18/1978 | US4084969 Color photographic process |
| 04/11/1978 | US4083723 P-phenylenediamine and derivatives and a compound with a carboxy and a phosphono group as a color developer |
| 04/11/1978 | US4083721 Photographic phenolic couplers with amido coupling-off groups |
| 04/04/1978 | US4082553 Two silver halide emulsion layers with iodide ion migration between them |
| 03/28/1978 | US4081275 Photographic film units containing colorless para-nitrobenzylidene dye-forming compounds |
| 03/21/1978 | US4080504 Novel photographic color coupling compounds |
| 03/21/1978 | US4080211 Polymerization of monomeric color couplets |
| 03/21/1978 | US4080209 Photographic light-sensitive material |
| 03/21/1978 | US4080207 Radiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agents |
| 03/14/1978 | US4078936 Silver halide emulsion containing two-equivalent yellow coupler |
| 02/28/1978 | US4076533 Silver halide emulsion containing two-equivalent coupler |
| 02/21/1978 | US4075022 Aqueous dispersions of photographic ingredients |
| 02/21/1978 | US4075021 Compound which releases a substance which promotes bleaching of developed silver |
| 02/21/1978 | US4075014 Hydroxyalkylamine development accelerator; positives |
| 02/14/1978 | US4073651 Image-forming layer containing silver halide emulsion and magenta coupler |
| 02/14/1978 | US4073650 Method of recording on a microfiche |
| 02/07/1978 | US4072525 Silver halide photographic material containing two-equivalent color coupler |