CH448739A - Photographic material for the silver dye bleaching process - Google Patents

Photographic material for the silver dye bleaching process

Info

Publication number
CH448739A
CH448739A CH1550664A CH1550664A CH448739A CH 448739 A CH448739 A CH 448739A CH 1550664 A CH1550664 A CH 1550664A CH 1550664 A CH1550664 A CH 1550664A CH 448739 A CH448739 A CH 448739A
Authority
CH
Switzerland
Prior art keywords
photographic material
bleaching process
silver dye
dye bleaching
silver
Prior art date
Application number
CH1550664A
Other languages
German (de)
Inventor
Hansrolf Dr Loeffel
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
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority to CH1550664A priority Critical patent/CH448739A/en
Priority to DE1472811A priority patent/DE1472811C3/en
Priority to GB50158/65A priority patent/GB1094956A/en
Priority to FR39803A priority patent/FR1464177A/en
Priority to BE673012A priority patent/BE673012A/xx
Priority to US510672A priority patent/US3443953A/en
Priority to AT1082365A priority patent/AT260691B/en
Priority to ES0320264A priority patent/ES320264A1/en
Priority to NL656515630A priority patent/NL148164B/en
Publication of CH448739A publication Critical patent/CH448739A/en

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
    • 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
    • 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
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/145—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with polycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Paper (AREA)
CH1550664A 1964-12-02 1964-12-02 Photographic material for the silver dye bleaching process CH448739A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CH1550664A CH448739A (en) 1964-12-02 1964-12-02 Photographic material for the silver dye bleaching process
DE1472811A DE1472811C3 (en) 1964-12-02 1965-11-15 Color pholographic recording material for the silver color bleaching process
GB50158/65A GB1094956A (en) 1964-12-02 1965-11-25 Photographic materials for the silver dyestuff bleaching process
FR39803A FR1464177A (en) 1964-12-02 1965-11-25 Photographic articles for the silver discoloration process
BE673012A BE673012A (en) 1964-12-02 1965-11-29
US510672A US3443953A (en) 1964-12-02 1965-11-30 Photographic materials for the silver dyestuff bleaching process
AT1082365A AT260691B (en) 1964-12-02 1965-12-01 Photographic materials for the silver dye bleaching process
ES0320264A ES320264A1 (en) 1964-12-02 1965-12-01 Photographic materials for the silver dyestuff bleaching process
NL656515630A NL148164B (en) 1964-12-02 1965-12-01 PHOTOGRAPHIC MATERIAL FOR THE SILVER DYE BLEACHING PROCESS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1550664A CH448739A (en) 1964-12-02 1964-12-02 Photographic material for the silver dye bleaching process

Publications (1)

Publication Number Publication Date
CH448739A true CH448739A (en) 1967-12-15

Family

ID=4409627

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1550664A CH448739A (en) 1964-12-02 1964-12-02 Photographic material for the silver dye bleaching process

Country Status (8)

Country Link
US (1) US3443953A (en)
AT (1) AT260691B (en)
BE (1) BE673012A (en)
CH (1) CH448739A (en)
DE (1) DE1472811C3 (en)
ES (1) ES320264A1 (en)
GB (1) GB1094956A (en)
NL (1) NL148164B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH492234A (en) * 1967-06-07 1970-06-15 Ciba Geigy Photographic material
CH488212A (en) * 1967-09-01 1970-03-31 Ciba Geigy Photographic material
CH493003A (en) * 1967-09-01 1970-06-30 Ciba Geigy Photographic material
US3877949A (en) * 1968-02-15 1975-04-15 Ciba Geigy Ag Photographic material for the silver dyestuff bleaching process
EP1802708A1 (en) * 2004-10-18 2007-07-04 CIBA SPECIALTY CHEMICALS HOLDING INC. Patent Departement 4,4'-diazobenzanilide dyestuffs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956677A (en) * 1941-03-22 1950-02-02

Also Published As

Publication number Publication date
US3443953A (en) 1969-05-13
NL148164B (en) 1975-12-15
ES320264A1 (en) 1966-09-01
BE673012A (en) 1966-05-31
DE1472811C3 (en) 1975-12-18
GB1094956A (en) 1967-12-13
DE1472811B2 (en) 1975-04-17
DE1472811A1 (en) 1969-01-30
NL6515630A (en) 1966-06-03
AT260691B (en) 1968-03-11

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