BE629777A - - Google Patents

Info

Publication number
BE629777A
BE629777A BE629777DA BE629777A BE 629777 A BE629777 A BE 629777A BE 629777D A BE629777D A BE 629777DA BE 629777 A BE629777 A BE 629777A
Authority
BE
Belgium
Application number
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.)
Publication of BE629777A publication Critical patent/BE629777A/xx

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)
BE629777D 1962-10-11 BE629777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912001A FR1343731A (en) 1962-10-11 1962-10-11 Process for mixed white and black photographic development to achieve an effect equivalent to an increase in the original sensitivity, and mixed developer thereof

Publications (1)

Publication Number Publication Date
BE629777A true BE629777A (en)

Family

ID=8788539

Family Applications (1)

Application Number Title Priority Date Filing Date
BE629777D BE629777A (en) 1962-10-11

Country Status (3)

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

Cited By (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

Cited By (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
GB1032925A (en) 1966-06-15
FR1343731A (en) 1963-11-22

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