GB1250767A - - Google Patents

Info

Publication number
GB1250767A
GB1250767A GB1250767DA GB1250767A GB 1250767 A GB1250767 A GB 1250767A GB 1250767D A GB1250767D A GB 1250767DA GB 1250767 A GB1250767 A GB 1250767A
Authority
GB
United Kingdom
Prior art keywords
dyes
sept
coupling
division
sulphonated
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
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 filed Critical
Publication of GB1250767A publication Critical patent/GB1250767A/en
Expired legal-status Critical Current

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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B 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
    • C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
    • C09B43/14—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with phosgene or thiophosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Coloring (AREA)

Abstract

1,250,767 Tetrakisazo dyes. EASTMAN KODAK CO. 12 Sept., 1968 [15 Sept., 1967], No. 43424/68. Heading C4P. [Also in Division G2] The invention comprises tetrakisazo dyes of formula wherein R is ureylene, R 1 -R 6 are phenylene radicals which may be substituted and R 7 -R 10 are sulphonated hydroxy-aryl radicals. The dyes are prepared by (i) tetrazotizing a di-(4- aminophenyl) - methyl - nitrobenzene, coupling with a sulphonated phenol or naphthol, reducing the nitro group to an amino group and phosgenating; or (ii) diazotizing 1 mol. of an appropriate tetra-amine and coupling with 4 mols. of azo component. The dyes are used in photographic compositions ((see Division G2).
GB1250767D 1967-09-15 1968-09-12 Expired GB1250767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66817467A 1967-09-15 1967-09-15

Publications (1)

Publication Number Publication Date
GB1250767A true GB1250767A (en) 1971-10-20

Family

ID=24681296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250767D Expired GB1250767A (en) 1967-09-15 1968-09-12

Country Status (5)

Country Link
US (1) US3542555A (en)
BE (1) BE720874A (en)
CH (1) CH493865A (en)
FR (1) FR1581356A (en)
GB (1) GB1250767A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH488212A (en) * 1967-09-01 1970-03-31 Ciba Geigy Photographic material
DE2739953A1 (en) * 1977-09-05 1979-03-22 Basf Ag DOUBLE TRIPHENYLMETHANE DYES
CN105295425B (en) * 2015-11-11 2017-02-08 金华恒利康化工有限公司 Environment-friendly weak acid red dye and preparation method thereof
BR112019006503A2 (en) * 2016-11-01 2019-08-13 Milliken & Co leuco polymers as bleaching agents in laundry care compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23357E (en) * 1939-08-28 1951-04-17 Processes for producing same
BE489248A (en) * 1948-11-05

Also Published As

Publication number Publication date
CH493865A (en) 1970-07-15
FR1581356A (en) 1969-09-12
US3542555A (en) 1970-11-24
BE720874A (en) 1969-02-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees