CH431272A - Photographische Schicht für das Silberfarbbleichverfahren - Google Patents

Photographische Schicht für das Silberfarbbleichverfahren

Info

Publication number
CH431272A
CH431272A CH240464A CH240464A CH431272A CH 431272 A CH431272 A CH 431272A CH 240464 A CH240464 A CH 240464A CH 240464 A CH240464 A CH 240464A CH 431272 A CH431272 A CH 431272A
Authority
CH
Switzerland
Prior art keywords
bleaching process
photographic layer
silver dye
dye bleaching
silver
Prior art date
Application number
CH240464A
Other languages
English (en)
Inventor
Walter Dr Anderau
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 claimed from CH270060A external-priority patent/CH386247A/de
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority to FR4899A priority Critical patent/FR87423E/fr
Priority to GB585465A priority patent/GB1042300A/en
Priority to BE660288D priority patent/BE660288A/xx
Publication of CH431272A publication Critical patent/CH431272A/de

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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24—Disazo or polyazo compounds
    • C09B45/28—Disazo or polyazo compounds containing copper
    • 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
    • C09B27/00—Preparations in which the azo group is formed in any way other than by diazotising and coupling, e.g. oxidation
    • 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
    • C09B43/08—Preparation of azo dyes from other azo compounds by reduction
    • C09B43/085—Preparation of azo dyes from other azo compounds by reduction by reacting nitro azo dyes with amine or amino azo dye with nitro compounds
    • 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
    • C09B43/08—Preparation of azo dyes from other azo compounds by reduction
    • C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
    • 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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
CH240464A 1960-03-09 1964-02-27 Photographische Schicht für das Silberfarbbleichverfahren CH431272A (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR4899A FR87423E (fr) 1964-02-27 1965-02-09 Couches photographiques pour le procédé de blanchiment des images argentiques colorées
GB585465A GB1042300A (en) 1964-02-27 1965-02-10 Photographic layers for the silver dyestuff bleaching process
BE660288D BE660288A (de) 1964-02-27 1965-02-26

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH270060A CH386247A (de) 1960-03-09 1960-03-09 Photographische Schicht für das Silberfarbbleichverfahren
CH1442162A CH415296A (de) 1960-03-09 1962-12-07 Photographische Schicht für das Silberfarbbleichverfahren
CH1442062A CH415295A (de) 1960-03-09 1962-12-07 Photographische Schicht für das Silberfarbbleichverfahren

Publications (1)

Publication Number Publication Date
CH431272A true CH431272A (de) 1967-02-28

Family

ID=27173858

Family Applications (3)

Application Number Title Priority Date Filing Date
CH1442162A CH415296A (de) 1960-03-09 1962-12-07 Photographische Schicht für das Silberfarbbleichverfahren
CH1442062A CH415295A (de) 1960-03-09 1962-12-07 Photographische Schicht für das Silberfarbbleichverfahren
CH240464A CH431272A (de) 1960-03-09 1964-02-27 Photographische Schicht für das Silberfarbbleichverfahren

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CH1442162A CH415296A (de) 1960-03-09 1962-12-07 Photographische Schicht für das Silberfarbbleichverfahren
CH1442062A CH415295A (de) 1960-03-09 1962-12-07 Photographische Schicht für das Silberfarbbleichverfahren

Country Status (7)

Country Link
US (1) US3211556A (de)
BE (3) BE640911A (de)
CH (3) CH415296A (de)
DE (3) DE1121469B (de)
FR (3) FR1290363A (de)
GB (3) GB923265A (de)
NL (1) NL262127A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043792A2 (de) * 1980-06-03 1982-01-13 Ciba-Geigy Ag Färben von Papier

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630637A (de) * 1962-04-10
GB1077484A (en) * 1964-06-02 1967-07-26 Ciba Ltd Photographic materials for the silver dyestuff bleaching process
US4235957A (en) * 1979-01-25 1980-11-25 Eastman Kodak Company Thermal silver-dye bleach element and process
DE2948022A1 (de) * 1979-11-29 1981-06-04 Bayer Ag, 5090 Leverkusen Polyazofarbstoffe, verfahren zu ihrer herstellung und ihre verwendung zum faerben von vegetabilischen fasermaterialien und leder
CH654588A5 (de) * 1981-12-31 1986-02-28 Sandoz Ag Metallisierte stilbenazoverbindungen, verfahren zur herstellung und verwendung.
US20090246529A1 (en) 2008-03-28 2009-10-01 Conopco, Inc., D/B/A Unilever Particle with Bipolar Topospecific Characteristics and Process for Preparation Thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987513A (en) * 1958-01-31 1961-06-06 Bayer Ag Azo dyestuffs and process for their manufacture
US3148062A (en) * 1959-04-06 1964-09-08 Eastman Kodak Co Photographic elements and processes using splittable couplers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043792A2 (de) * 1980-06-03 1982-01-13 Ciba-Geigy Ag Färben von Papier
EP0043792A3 (en) * 1980-06-03 1982-01-20 Ciba-Geigy Ag A method of dyeing paper

Also Published As

Publication number Publication date
FR1290363A (fr) 1962-04-13
BE640911A (de) 1964-06-08
NL262127A (de)
GB923265A (en) 1963-04-10
CH415296A (de) 1966-06-15
GB1002345A (en) 1965-08-25
CH415295A (de) 1966-06-15
BE640912A (de) 1964-06-08
DE1173337B (de) 1964-07-02
FR84793E (fr) 1965-04-16
DE1174613B (de) 1964-07-23
BE601095A (de)
GB999996A (en) 1965-07-28
FR84794E (fr) 1965-04-16
US3211556A (en) 1965-10-12
DE1121469B (de) 1962-01-04

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