FR1524982A - Photographic materials for the silver discoloration process - Google Patents

Photographic materials for the silver discoloration process

Info

Publication number
FR1524982A
FR1524982A FR28396A FR28396A FR1524982A FR 1524982 A FR1524982 A FR 1524982A FR 28396 A FR28396 A FR 28396A FR 28396 A FR28396 A FR 28396A FR 1524982 A FR1524982 A FR 1524982A
Authority
FR
France
Prior art keywords
photographic materials
silver discoloration
discoloration process
silver
photographic
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
FR28396A
Other languages
French (fr)
Inventor
Karl-Heinz Freytag
Carl Taube
Bernhard Seidel
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert 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 DEA46856A external-priority patent/DE1257568B/en
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Priority to FR28396A priority Critical patent/FR1524982A/en
Application granted granted Critical
Publication of FR1524982A publication Critical patent/FR1524982A/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
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • G03C1/831—Azo dyes
    • 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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • 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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
    • C09B43/124—Preparation of azo dyes from other azo compounds by acylation of amino groups with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters
    • 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

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
FR28396A 1964-08-14 1965-08-14 Photographic materials for the silver discoloration process Expired FR1524982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR28396A FR1524982A (en) 1964-08-14 1965-08-14 Photographic materials for the silver discoloration process

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEA46856A DE1257568B (en) 1964-08-14 1964-08-14 Photosensitive color photographic material
DEA49245A DE1291623B (en) 1964-08-14 1965-05-18 Color photographic light sensitive material
DEA49319A DE1296518B (en) 1964-08-14 1965-05-26 Color photographic light sensitive material
FR28396A FR1524982A (en) 1964-08-14 1965-08-14 Photographic materials for the silver discoloration process

Publications (1)

Publication Number Publication Date
FR1524982A true FR1524982A (en) 1968-05-17

Family

ID=27436541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28396A Expired FR1524982A (en) 1964-08-14 1965-08-14 Photographic materials for the silver discoloration process

Country Status (1)

Country Link
FR (1) FR1524982A (en)

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