GB999996A - Photographic layers for the silver dyestuff bleaching method - Google Patents

Photographic layers for the silver dyestuff bleaching method

Info

Publication number
GB999996A
GB999996A GB39871/63A GB3987163A GB999996A GB 999996 A GB999996 A GB 999996A GB 39871/63 A GB39871/63 A GB 39871/63A GB 3987163 A GB3987163 A GB 3987163A GB 999996 A GB999996 A GB 999996A
Authority
GB
United Kingdom
Prior art keywords
bleaching method
photographic layers
dyestuff bleaching
nitro
sulphonic acid
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
GB39871/63A
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.)
BASF Schweiz AG
Original Assignee
Ciba 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 CH270060A external-priority patent/CH386247A/en
Application filed by Ciba AG filed Critical Ciba AG
Publication of GB999996A publication Critical patent/GB999996A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B45/00Complex metal compounds of azo dyes
    • C09B45/02Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24Disazo or polyazo compounds
    • C09B45/28Disazo or polyazo compounds containing copper
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B27/00Preparations in which the azo group is formed in any way other than by diazotising and coupling, e.g. oxidation
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00Preparation of azo dyes from other azo compounds
    • C09B43/08Preparation of azo dyes from other azo compounds by reduction
    • C09B43/085Preparation of azo dyes from other azo compounds by reduction by reacting nitro azo dyes with amine or amino azo dye with nitro compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00Preparation of azo dyes from other azo compounds
    • C09B43/08Preparation of azo dyes from other azo compounds by reduction
    • C09B43/10Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/28Silver dye bleach processes; Materials therefor; Preparing or processing such materials
    • G03C7/29Azo 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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Paper (AREA)

Abstract

Dyes having the general formula <FORM:0999996/C4-C5/1> wherein R is a benzene residue, are prepared by coupling diazotized 5-nitro-2-amino-phenol with a 2 - phenylamino - 8 - hydroxynaphthalene - 6-sulphonic acid, condensing two molecules of the resulting nitro-azo dyestuff together by reduction, e.g. in the presence of arsenious acid or of glucose and alkali, and then coppering. The phenyl group of the naphthol used as coupling component (i.e. the residue R) may be substituted by chloro, methyl, methoxy, carboxy, carboxymethoxy or sulphonic acid groups. Specification 923,265 is referred to.
GB39871/63A 1960-03-09 1963-10-09 Photographic layers for the silver dyestuff bleaching method Expired GB999996A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH270060A CH386247A (en) 1960-03-09 1960-03-09 Photographic layer for the silver dye bleaching process
CH1442062A CH415295A (en) 1960-03-09 1962-12-07 Photographic layer for the silver dye bleaching process
CH1442162A CH415296A (en) 1960-03-09 1962-12-07 Photographic layer for the silver dye bleaching process

Publications (1)

Publication Number Publication Date
GB999996A true GB999996A (en) 1965-07-28

Family

ID=27173858

Family Applications (3)

Application Number Title Priority Date Filing Date
GB8681/61A Expired GB923265A (en) 1960-03-09 1961-03-09 Photographic layers for the silver dyestuff bleaching method
GB39870/63A Expired GB1002345A (en) 1960-03-09 1963-10-09 Photographic layers for the silver dyestuff bleaching method
GB39871/63A Expired GB999996A (en) 1960-03-09 1963-10-09 Photographic layers for the silver dyestuff bleaching method

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB8681/61A Expired GB923265A (en) 1960-03-09 1961-03-09 Photographic layers for the silver dyestuff bleaching method
GB39870/63A Expired GB1002345A (en) 1960-03-09 1963-10-09 Photographic layers for the silver dyestuff bleaching method

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235957A (en) * 1979-01-25 1980-11-25 Eastman Kodak Company Thermal silver-dye bleach element and process

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630637A (en) * 1962-04-10
GB1077484A (en) * 1964-06-02 1967-07-26 Ciba Ltd Photographic materials for the silver dyestuff bleaching process
DE2948022A1 (en) * 1979-11-29 1981-06-04 Bayer Ag, 5090 Leverkusen POLYAZO DYES, METHOD FOR THEIR PRODUCTION AND THEIR USE FOR COLORING VEGETABILIC FIBER MATERIALS AND LEATHER
EP0043792B1 (en) * 1980-06-03 1986-03-05 Ciba-Geigy Ag Dyeing paper
CH654588A5 (en) * 1981-12-31 1986-02-28 Sandoz Ag METALIZED STYLENE AZO COMPOUNDS, METHOD FOR PRODUCING AND USE.
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235957A (en) * 1979-01-25 1980-11-25 Eastman Kodak Company Thermal silver-dye bleach element and process

Also Published As

Publication number Publication date
DE1173337B (en) 1964-07-02
GB1002345A (en) 1965-08-25
BE601095A (en)
DE1121469B (en) 1962-01-04
NL262127A (en)
BE640911A (en) 1964-06-08
DE1174613B (en) 1964-07-23
CH415296A (en) 1966-06-15
CH431272A (en) 1967-02-28
US3211556A (en) 1965-10-12
BE640912A (en) 1964-06-08
FR84793E (en) 1965-04-16
FR1290363A (en) 1962-04-13
GB923265A (en) 1963-04-10
FR84794E (en) 1965-04-16
CH415295A (en) 1966-06-15

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