CH440968A - Use of organic compounds as color bleaching catalysts for the silver color bleaching process - Google Patents

Use of organic compounds as color bleaching catalysts for the silver color bleaching process

Info

Publication number
CH440968A
CH440968A CH1497464A CH1497464A CH440968A CH 440968 A CH440968 A CH 440968A CH 1497464 A CH1497464 A CH 1497464A CH 1497464 A CH1497464 A CH 1497464A CH 440968 A CH440968 A CH 440968A
Authority
CH
Switzerland
Prior art keywords
color bleaching
organic compounds
catalysts
silver
bleaching process
Prior art date
Application number
CH1497464A
Other languages
German (de)
Inventor
Rudolf Dr Mory
Alfred Dr Oetiker
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
Priority to CH1497464A priority Critical patent/CH440968A/en
Priority to FR38438A priority patent/FR1453726A/en
Priority to US508156A priority patent/US3443947A/en
Priority to BE672430A priority patent/BE672430A/xx
Priority to ES0319790A priority patent/ES319790A1/en
Priority to NL6515065A priority patent/NL6515065A/xx
Priority to GB49275/65A priority patent/GB1086889A/en
Priority to AT1041665A priority patent/AT261401B/en
Publication of CH440968A publication Critical patent/CH440968A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Detergent Compositions (AREA)
CH1497464A 1964-11-20 1964-11-20 Use of organic compounds as color bleaching catalysts for the silver color bleaching process CH440968A (en)

Priority Applications (8)

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
FR38438A FR1453726A (en) 1964-11-20 1965-11-15 Dye decolouration catalysts in the silver photographic process
US508156A US3443947A (en) 1964-11-20 1965-11-16 Colour bleaching catalysts for the silver dyestuff bleaching process
BE672430A BE672430A (en) 1964-11-20 1965-11-17
ES0319790A ES319790A1 (en) 1964-11-20 1965-11-19 Argentio color blanking procedure. (Machine-translation by Google Translate, not legally binding)
NL6515065A NL6515065A (en) 1964-11-20 1965-11-19
GB49275/65A GB1086889A (en) 1964-11-20 1965-11-19 Colour bleaching catalysts for the silver dyestuff bleaching process
AT1041665A AT261401B (en) 1964-11-20 1965-11-19 Color bleaching catalysts for the silver color bleaching process

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
CH440968A true CH440968A (en) 1967-07-31

Family

ID=4405312

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1497464A CH440968A (en) 1964-11-20 1964-11-20 Use of organic compounds as 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
AT261401B (en) 1968-04-25
US3443947A (en) 1969-05-13
FR1453726A (en) 1966-06-03
ES319790A1 (en) 1966-05-01
NL6515065A (en) 1966-05-23
BE672430A (en) 1966-05-17

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