CH440962A - Photographic material - Google Patents

Photographic material

Info

Publication number
CH440962A
CH440962A CH1176563A CH1176563A CH440962A CH 440962 A CH440962 A CH 440962A CH 1176563 A CH1176563 A CH 1176563A CH 1176563 A CH1176563 A CH 1176563A CH 440962 A CH440962 A CH 440962A
Authority
CH
Switzerland
Prior art keywords
photographic material
photographic
Prior art date
Application number
CH1176563A
Other languages
German (de)
Inventor
George Hunt Francis
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Publication of CH440962A publication Critical patent/CH440962A/en

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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/04—Disazo dyes characterised by the tetrazo component the tetrazo component being a benzene derivative
    • 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)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
CH1176563A 1962-09-24 1963-09-24 Photographic material CH440962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36242/62A GB1028562A (en) 1962-09-24 1962-09-24 Disazo dyestuffs and their use in colour photography

Publications (1)

Publication Number Publication Date
CH440962A true CH440962A (en) 1967-07-31

Family

ID=10386298

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1176563A CH440962A (en) 1962-09-24 1963-09-24 Photographic material

Country Status (5)

Country Link
US (1) US3287132A (en)
BE (1) BE637793A (en)
CH (1) CH440962A (en)
DE (1) DE1252058B (en)
GB (1) GB1028562A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH440965A (en) * 1964-02-13 1967-07-31 Ciba Geigy Photographic material for the silver dye bleaching process
US3503741A (en) * 1966-11-04 1970-03-31 Eastman Kodak Co Silver-dye-bleach process utilizing formazan dyes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA479607A (en) * 1951-12-18 Gaspar Bela Azo dyes for color photography
US1975609A (en) * 1931-11-06 1934-10-02 Ici Ltd Azo dye and method for its preparation
GB615606A (en) * 1946-12-30 1949-01-07 Walter Francis Beech New azo dyestuffs
BE488200A (en) * 1948-04-02
US2779758A (en) * 1951-09-04 1957-01-29 Saul & Co Chromable disazo dyestuffs
BE567189A (en) * 1957-04-29
NL267358A (en) * 1960-07-22

Also Published As

Publication number Publication date
DE1252058B (en)
GB1028562A (en) 1966-05-04
BE637793A (en)
US3287132A (en) 1966-11-22

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