FR87423E - Photographic layers for the bleaching process of colored silver images - Google Patents

Photographic layers for the bleaching process of colored silver images

Info

Publication number
FR87423E
FR87423E FR4899A FR87423DA FR87423E FR 87423 E FR87423 E FR 87423E FR 4899 A FR4899 A FR 4899A FR 87423D A FR87423D A FR 87423DA FR 87423 E FR87423 E FR 87423E
Authority
FR
France
Prior art keywords
bleaching process
photographic layers
silver images
colored silver
colored
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
FR4899A
Other languages
French (fr)
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.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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
Priority claimed from CH240464A external-priority patent/CH431272A/en
Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR87423E publication Critical patent/FR87423E/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
    • G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
    • G03C7/29—Azo dyes therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR4899A 1964-02-27 1965-02-09 Photographic layers for the bleaching process of colored silver images Expired FR87423E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH240464A CH431272A (en) 1960-03-09 1964-02-27 Photographic layer for the silver dye bleaching process

Publications (1)

Publication Number Publication Date
FR87423E true FR87423E (en) 1966-08-05

Family

ID=4232989

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4899A Expired FR87423E (en) 1964-02-27 1965-02-09 Photographic layers for the bleaching process of colored silver images

Country Status (3)

Country Link
BE (1) BE660288A (en)
FR (1) FR87423E (en)
GB (1) GB1042300A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235957A (en) * 1979-01-25 1980-11-25 Eastman Kodak Company Thermal silver-dye bleach element and process

Also Published As

Publication number Publication date
GB1042300A (en) 1966-09-14
BE660288A (en) 1965-08-26

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