AT261401B - Color bleaching catalysts for the silver color bleaching process - Google Patents

Color bleaching catalysts for the silver color bleaching process

Info

Publication number
AT261401B
AT261401B AT1041665A AT1041665A AT261401B AT 261401 B AT261401 B AT 261401B AT 1041665 A AT1041665 A AT 1041665A AT 1041665 A AT1041665 A AT 1041665A AT 261401 B AT261401 B AT 261401B
Authority
AT
Austria
Prior art keywords
color bleaching
catalysts
silver
bleaching process
silver color
Prior art date
Application number
AT1041665A
Other languages
German (de)
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Application granted granted Critical
Publication of AT261401B publication Critical patent/AT261401B/en

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
    • G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Detergent Compositions (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT1041665A 1964-11-20 1965-11-19 Color bleaching catalysts for the silver color bleaching process AT261401B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1497464A CH440968A (en) 1964-11-20 1964-11-20 Use of organic compounds as color bleaching catalysts for the silver color bleaching process

Publications (1)

Publication Number Publication Date
AT261401B true AT261401B (en) 1968-04-25

Family

ID=4405312

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1041665A AT261401B (en) 1964-11-20 1965-11-19 Color bleaching catalysts for the silver color bleaching process

Country Status (8)

Country Link
US (1) US3443947A (en)
AT (1) AT261401B (en)
BE (1) BE672430A (en)
CH (1) CH440968A (en)
ES (1) ES319790A1 (en)
FR (1) FR1453726A (en)
GB (1) GB1086889A (en)
NL (1) NL6515065A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH508226A (en) * 1969-03-13 1971-05-31 Ciba Geigy Ag Use of quinoxalines as color bleaching catalysts
CH553428A (en) * 1970-09-04 1974-08-30 Ciba Geigy Ag USE OF QUINOXALINES AS A HYDROGEN TRANSFER.
CH644459A5 (en) * 1978-09-29 1984-07-31 Ciba Geigy Ag METHOD FOR PRODUCING COLOR PHOTOGRAPHIC IMAGES AFTER THE SILVER COLORING METHOD.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE637277A (en) * 1962-09-14

Also Published As

Publication number Publication date
GB1086889A (en) 1967-10-11
ES319790A1 (en) 1966-05-01
FR1453726A (en) 1966-06-03
US3443947A (en) 1969-05-13
CH440968A (en) 1967-07-31
NL6515065A (en) 1966-05-23
BE672430A (en) 1966-05-17

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