GB1373928A - Process for the production of sulphonic acid groupcontaining azo dyestuffs - Google Patents

Process for the production of sulphonic acid groupcontaining azo dyestuffs

Info

Publication number
GB1373928A
GB1373928A GB5993571A GB5993571A GB1373928A GB 1373928 A GB1373928 A GB 1373928A GB 5993571 A GB5993571 A GB 5993571A GB 5993571 A GB5993571 A GB 5993571A GB 1373928 A GB1373928 A GB 1373928A
Authority
GB
United Kingdom
Prior art keywords
production
sulphonic acid
azo dyestuffs
acid groupcontaining
groupcontaining
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
GB5993571A
Other languages
English (en)
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.)
Bayer AG
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
Priority claimed from DE19702063717 external-priority patent/DE2063717A1/de
Priority claimed from DE19712121671 external-priority patent/DE2121671A1/de
Priority claimed from DE19712130027 external-priority patent/DE2130027C3/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1373928A publication Critical patent/GB1373928A/en
Expired legal-status Critical Current

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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • 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
    • C09B35/02—Disazo dyes
    • C09B35/021—Disazo dyes characterised by two coupling components of the same type
    • C09B35/027—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy-amino compound
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
    • C09B41/004—Special methods of performing the coupling reaction characterised by the coupling medium containing a reaction assistant, e.g. urea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
GB5993571A 1970-12-24 1971-12-23 Process for the production of sulphonic acid groupcontaining azo dyestuffs Expired GB1373928A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19702063717 DE2063717A1 (en) 1970-12-24 1970-12-24 Azo dyes - by acid coupling in presence of low - mol with aliphatic amides
DE19712121671 DE2121671A1 (de) 1971-05-03 1971-05-03 Verfahren zur Herstellung von AzOfarbstoffen
DE19712130027 DE2130027C3 (de) 1971-06-18 1971-06-18 Monoazofarbstoffe

Publications (1)

Publication Number Publication Date
GB1373928A true GB1373928A (en) 1974-11-13

Family

ID=27183074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5993571A Expired GB1373928A (en) 1970-12-24 1971-12-23 Process for the production of sulphonic acid groupcontaining azo dyestuffs

Country Status (6)

Country Link
BE (1) BE777257A (enrdf_load_stackoverflow)
CH (3) CH596262A5 (enrdf_load_stackoverflow)
FR (2) FR2119078A1 (enrdf_load_stackoverflow)
GB (1) GB1373928A (enrdf_load_stackoverflow)
IT (1) IT946159B (enrdf_load_stackoverflow)
NL (1) NL7117675A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218373A (en) * 1977-06-22 1980-08-19 Bayer Aktiengesellschaft Water-soluble phenylazoaminonaphthol sulphonic acid dyestuffs
EP0048692A1 (en) * 1980-09-19 1982-03-31 Ciba-Geigy Ag Azo coupling process
US4618674A (en) * 1983-12-30 1986-10-21 Dellian Kurt A Red-1-(cyanophenylazo- or cyano, halophenylazo)-2-amino-8-hydroxynaphthalene-6 sulfonic acid dyestuffs
US4757137A (en) * 1977-03-19 1988-07-12 Bayer Aktiengesellschaft Orthotrifluoromethyl containing phenylazonaphthol dyestuffs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2244991A1 (de) * 1972-09-14 1974-03-21 Bayer Ag Verfahren zur herstellung von tetrakisazofarbstoffen
DE2847532C3 (de) * 1978-11-02 1981-08-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azofarbstoffen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757137A (en) * 1977-03-19 1988-07-12 Bayer Aktiengesellschaft Orthotrifluoromethyl containing phenylazonaphthol dyestuffs
US4218373A (en) * 1977-06-22 1980-08-19 Bayer Aktiengesellschaft Water-soluble phenylazoaminonaphthol sulphonic acid dyestuffs
EP0048692A1 (en) * 1980-09-19 1982-03-31 Ciba-Geigy Ag Azo coupling process
US4618674A (en) * 1983-12-30 1986-10-21 Dellian Kurt A Red-1-(cyanophenylazo- or cyano, halophenylazo)-2-amino-8-hydroxynaphthalene-6 sulfonic acid dyestuffs

Also Published As

Publication number Publication date
NL7117675A (enrdf_load_stackoverflow) 1972-06-27
IT946159B (it) 1973-05-21
FR2244796A1 (enrdf_load_stackoverflow) 1975-04-18
CH596262A5 (enrdf_load_stackoverflow) 1978-03-15
FR2119078A1 (enrdf_load_stackoverflow) 1972-08-04
CH606317A5 (enrdf_load_stackoverflow) 1978-10-31
BE777257A (fr) 1972-06-26
CH580671A5 (enrdf_load_stackoverflow) 1976-10-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee