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 processInfo
- 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
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE637277A (en) * | 1962-09-14 |
-
1964
- 1964-11-20 CH CH1497464A patent/CH440968A/en unknown
-
1965
- 1965-11-15 FR FR38438A patent/FR1453726A/en not_active Expired
- 1965-11-16 US US508156A patent/US3443947A/en not_active Expired - Lifetime
- 1965-11-17 BE BE672430A patent/BE672430A/xx unknown
- 1965-11-19 GB GB49275/65A patent/GB1086889A/en not_active Expired
- 1965-11-19 NL NL6515065A patent/NL6515065A/xx unknown
- 1965-11-19 AT AT1041665A patent/AT261401B/en active
- 1965-11-19 ES ES0319790A patent/ES319790A1/en not_active Expired
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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