GB1032925A - A photographic developer - Google Patents

A photographic developer

Info

Publication number
GB1032925A
GB1032925A GB1096363A GB1096363A GB1032925A GB 1032925 A GB1032925 A GB 1032925A GB 1096363 A GB1096363 A GB 1096363A GB 1096363 A GB1096363 A GB 1096363A GB 1032925 A GB1032925 A GB 1032925A
Authority
GB
United Kingdom
Prior art keywords
photographic developer
photographic
ferrania
pyrazolidone
dialkyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1096363A
Other languages
English (en)
Inventor
Luigi Franchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferrania SpA
Original Assignee
Ferrania SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferrania SpA filed Critical Ferrania SpA
Publication of GB1032925A publication Critical patent/GB1032925A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • 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, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers
    • G03C7/4136—Developers p-Phenylenediamine or derivatives thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
GB1096363A 1962-10-11 1963-03-20 A photographic developer Expired GB1032925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912001A FR1343731A (fr) 1962-10-11 1962-10-11 Procédé pour le développement photographique mixte en blanc et noir pour la réalisation d'un effet équivalant à une augmentation de la sensibilité originale, et révélateur mixte y relatif

Publications (1)

Publication Number Publication Date
GB1032925A true GB1032925A (en) 1966-06-15

Family

ID=8788539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1096363A Expired GB1032925A (en) 1962-10-11 1963-03-20 A photographic developer

Country Status (3)

Country Link
BE (1) BE629777A (en:Method)
FR (1) FR1343731A (en:Method)
GB (1) GB1032925A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941599A (en) * 1972-11-15 1976-03-02 Minnesota Mining And Manufacturing Company Method for obtaining a color contrast photographic image, photographic element and development composition suitable for the realization of said method

Also Published As

Publication number Publication date
BE629777A (en:Method)
FR1343731A (fr) 1963-11-22

Similar Documents

Publication Publication Date Title
CA685877A (en) Photographic multicolor diffusion transfer process using dye developers
MY6800056A (en) Photographic colour development and colour developing solutions therefor
GB1032925A (en) A photographic developer
GB1149794A (en) Photographic silver halide colour development
GB978516A (en:Method)
AU216416B2 (en) Combined photographic printing and projection system
CA616873A (en) Photographic developing agents
AU275148B2 (en) Developers for electrophotographic printing
CA611794A (en) Xerographic image developing apparatus
AU260246B2 (en) Light-stabilization of dye developer images
AU275344B2 (en) One-component. diazotype material
AU270210B2 (en) Pyrazolone dye developers, their preparation and novel photographic compositions and processes
CA630656A (en) Photographic developer and process
CA617465A (en) Photographic developing apparatus
AU266668B2 (en) Electrophotograhic developer
AU2332262A (en) Developers for electrophotographic printing
CA617193A (en) Photographic developers
AU268200B2 (en) Photographic emulsion preparation and gelatin derivatives
CA611942A (en) Combined photographic developing and stabilizing solution
AU280101B2 (en) Processing photographic elements containing developing agent
AU277195B2 (en) Processing photographic elements containing developing agent
AU2056862A (en) Pyrazolone dye developers, their preparation and novel photographic compositions and processes
AU1676162A (en) Electrophotographic development
AU264502B2 (en) Method and developer for developing lithographic plates
AU248495B2 (en) Photographic camera having setting members for diaphragm, exposure time and distance