NL7502771A - Disazokleurstoffen. - Google Patents

Disazokleurstoffen.

Info

Publication number
NL7502771A
NL7502771A NL7502771A NL7502771A NL7502771A NL 7502771 A NL7502771 A NL 7502771A NL 7502771 A NL7502771 A NL 7502771A NL 7502771 A NL7502771 A NL 7502771A NL 7502771 A NL7502771 A NL 7502771A
Authority
NL
Netherlands
Prior art keywords
disazo dyes
disazo
dyes
Prior art date
Application number
NL7502771A
Other languages
English (en)
Dutch (nl)
Original Assignee
Bayer 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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of NL7502771A publication Critical patent/NL7502771A/xx

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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/28—Preparation of azo dyes from other azo compounds by etherification of hydroxyl 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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
    • C09B31/062—Phenols
    • C09B31/065—Phenols containing acid groups, e.g. —CO2H, —SO3H, —PO3H2, —OSO3H, —OPO2H2; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
NL7502771A 1974-03-09 1975-03-07 Disazokleurstoffen. NL7502771A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2411291A DE2411291A1 (de) 1974-03-09 1974-03-09 Disazofarbstoffe

Publications (1)

Publication Number Publication Date
NL7502771A true NL7502771A (nl) 1975-09-11

Family

ID=5909537

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502771A NL7502771A (nl) 1974-03-09 1975-03-07 Disazokleurstoffen.

Country Status (10)

Country Link
US (1) US4008216A (es)
JP (1) JPS50122524A (es)
BE (1) BE826411A (es)
BR (1) BR7501376A (es)
CH (1) CH594034A5 (es)
DE (1) DE2411291A1 (es)
ES (1) ES435414A1 (es)
FR (1) FR2263283B1 (es)
GB (1) GB1460254A (es)
NL (1) NL7502771A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH635856A5 (de) * 1978-06-30 1983-04-29 Ciba Geigy Ag Neue disazofarbstoffe und deren herstellung.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2317387A (en) * 1940-06-19 1943-04-27 Du Pont Dispersible disazo dye
US2891049A (en) * 1955-08-19 1959-06-16 Bayer Ag Monoazo dyestuffs
CH413168A (de) * 1961-01-30 1966-05-15 Ciba Geigy Verfahren zur Herstellung von wasserunlöslichen Disazofarbstoffen
CH532640A (de) * 1969-04-17 1973-01-15 Ciba Geigy Ag Verwendung bestimmter Disazoverbindungen als Farbstoffe

Also Published As

Publication number Publication date
FR2263283B1 (es) 1978-10-20
GB1460254A (en) 1976-12-31
CH594034A5 (es) 1977-12-30
US4008216A (en) 1977-02-15
DE2411291A1 (de) 1975-09-18
JPS50122524A (es) 1975-09-26
ES435414A1 (es) 1976-12-01
FR2263283A1 (es) 1975-10-03
BR7501376A (pt) 1975-12-09
BE826411A (fr) 1975-09-08

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Legal Events

Date Code Title Description
BV The patent application has lapsed