FR1422699A - Photographic articles for the silver discoloration process - Google Patents

Photographic articles for the silver discoloration process

Info

Publication number
FR1422699A
FR1422699A FR3388A FR3388A FR1422699A FR 1422699 A FR1422699 A FR 1422699A FR 3388 A FR3388 A FR 3388A FR 3388 A FR3388 A FR 3388A FR 1422699 A FR1422699 A FR 1422699A
Authority
FR
France
Prior art keywords
silver discoloration
discoloration process
photographic articles
photographic
articles
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
FR3388A
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 CH356564A external-priority patent/CH440966A/en
Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Priority to FR3388A priority Critical patent/FR1422699A/en
Application granted granted Critical
Publication of FR1422699A publication Critical patent/FR1422699A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/08—Disazo dyes from a coupling component "C" containing directive hydroxyl and amino groups
    • 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)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR3388A 1964-03-19 1965-01-26 Photographic articles for the silver discoloration process Expired FR1422699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR3388A FR1422699A (en) 1964-03-19 1965-01-26 Photographic articles for the silver discoloration process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH356564A CH440966A (en) 1964-03-19 1964-03-19 Photographic material for the silver dye bleaching process
FR3388A FR1422699A (en) 1964-03-19 1965-01-26 Photographic articles for the silver discoloration process

Publications (1)

Publication Number Publication Date
FR1422699A true FR1422699A (en) 1965-12-24

Family

ID=25693329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR3388A Expired FR1422699A (en) 1964-03-19 1965-01-26 Photographic articles for the silver discoloration process

Country Status (1)

Country Link
FR (1) FR1422699A (en)

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