CH424475A - Use of azine compounds as color bleaching catalysts for the silver color bleaching process - Google Patents

Use of azine compounds as color bleaching catalysts for the silver color bleaching process

Info

Publication number
CH424475A
CH424475A CH1092862A CH1092862A CH424475A CH 424475 A CH424475 A CH 424475A CH 1092862 A CH1092862 A CH 1092862A CH 1092862 A CH1092862 A CH 1092862A CH 424475 A CH424475 A CH 424475A
Authority
CH
Switzerland
Prior art keywords
color bleaching
azine compounds
catalysts
silver
bleaching process
Prior art date
Application number
CH1092862A
Other languages
German (de)
Inventor
Walter Dr Anderau
Rudolf Dr Mory
Original Assignee
Ciba Geigy
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 to BE637277D priority Critical patent/BE637277A/xx
Priority to NL297895D priority patent/NL297895A/xx
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority to CH1092862A priority patent/CH424475A/en
Priority to US306690A priority patent/US3318700A/en
Priority to GB35841/63A priority patent/GB1026779A/en
Priority to FR947357A priority patent/FR1369171A/en
Priority to DEC30896A priority patent/DE1167652B/en
Priority to NL63297895A priority patent/NL140346B/en
Priority to AT738063A priority patent/AT243081B/en
Priority to ES291630A priority patent/ES291630A1/en
Publication of CH424475A publication Critical patent/CH424475A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • 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
    • C09B17/00—Azine 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/021—Disazo dyes characterised by two coupling components of the same type
    • C09B35/023—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy or polyhydroxy compound
    • 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
    • C09B39/00—Other azo dyes prepared by diazotising and coupling
    • 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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/02—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring
    • C09B62/04—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring to a triazine ring
    • C09B62/08—Azo dyes
    • C09B62/09—Disazo or polyazo dyes
    • 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
CH1092862A 1962-09-14 1962-09-14 Use of azine compounds as color bleaching catalysts for the silver color bleaching process CH424475A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
BE637277D BE637277A (en) 1962-09-14
NL297895D NL297895A (en) 1962-09-14
CH1092862A CH424475A (en) 1962-09-14 1962-09-14 Use of azine compounds as color bleaching catalysts for the silver color bleaching process
US306690A US3318700A (en) 1962-09-14 1963-09-05 Application of dyestuff bleaching catalysts in the silver dyestuff bleaching process
GB35841/63A GB1026779A (en) 1962-09-14 1963-09-11 Application of dyestuff bleaching catalysts in the silver dyestuff bleaching process
FR947357A FR1369171A (en) 1962-09-14 1963-09-12 Dye discoloration catalysts, usable in the photographic silver discoloration process
DEC30896A DE1167652B (en) 1962-09-14 1963-09-13 Color bleaching catalysts for the silver color bleaching process
NL63297895A NL140346B (en) 1962-09-14 1963-09-13 PROCEDURE FOR BLEACHING ONE OR MORE AZO DYE MATERIALS IN THE SILVER DYE BLEACHING PROCESS, AS WELL AS THE IMAGE-LIGHTED, DEVELOPED AND FIXED PHOTOGRAPHIC MATERIAL BLEACHED BY THIS PROCESS.
AT738063A AT243081B (en) 1962-09-14 1963-09-13 Color bleaching catalysts for the silver color bleaching process
ES291630A ES291630A1 (en) 1962-09-14 1963-09-13 Procedure for preparing photographic images in color (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1092862A CH424475A (en) 1962-09-14 1962-09-14 Use of azine compounds as color bleaching catalysts for the silver color bleaching process

Publications (1)

Publication Number Publication Date
CH424475A true CH424475A (en) 1966-11-15

Family

ID=4368286

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1092862A CH424475A (en) 1962-09-14 1962-09-14 Use of azine compounds as color bleaching catalysts for the silver color bleaching process

Country Status (8)

Country Link
US (1) US3318700A (en)
AT (1) AT243081B (en)
BE (1) BE637277A (en)
CH (1) CH424475A (en)
DE (1) DE1167652B (en)
ES (1) ES291630A1 (en)
GB (1) GB1026779A (en)
NL (2) NL140346B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH433980A (en) * 1964-07-07 1967-04-15 Ciba Geigy Use of acylamino compounds as color bleaching catalysts for the silver color bleaching process
CH440968A (en) * 1964-11-20 1967-07-31 Ciba Geigy Use of organic compounds as color bleaching catalysts for the silver color bleaching process
DE1285308B (en) * 1965-10-15 1968-12-12 Agfa Gevaert Ag Photographic material
US3414411A (en) * 1965-12-10 1968-12-03 Eastman Kodak Co Dye bleach process
DE1270949B (en) * 1966-09-21 1968-06-20 Agfa Gevaert Ag Aqueous dye bleach bath for the silver dye bleaching process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410025A (en) * 1936-12-14 1946-10-29 Chromogen Inc Production of colored photographic pictures
BE504761A (en) * 1950-07-22

Also Published As

Publication number Publication date
ES291630A1 (en) 1964-02-16
NL140346B (en) 1973-11-15
GB1026779A (en) 1966-04-20
NL297895A (en)
BE637277A (en)
US3318700A (en) 1967-05-09
AT243081B (en) 1965-10-25
DE1167652B (en) 1964-04-09

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