GB1387728A - Production of azo dyes containing cyano groups - Google Patents

Production of azo dyes containing cyano groups

Info

Publication number
GB1387728A
GB1387728A GB3254172A GB3254172A GB1387728A GB 1387728 A GB1387728 A GB 1387728A GB 3254172 A GB3254172 A GB 3254172A GB 3254172 A GB3254172 A GB 3254172A GB 1387728 A GB1387728 A GB 1387728A
Authority
GB
United Kingdom
Prior art keywords
dyes containing
cyano groups
azo dyes
production
dyes
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
GB3254172A
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of GB1387728A publication Critical patent/GB1387728A/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
    • C09B43/00Preparation of azo dyes from other azo compounds
    • C09B43/40Preparation of azo dyes from other azo compounds by substituting hetero atoms by radicals containing other hetero atoms
    • C09B43/42Preparation of azo dyes from other azo compounds by substituting hetero atoms by radicals containing other hetero atoms by substituting radicals containing hetero atoms for —CN radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB3254172A 1971-07-13 1972-07-12 Production of azo dyes containing cyano groups Expired GB1387728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2134896A DE2134896A1 (de) 1971-07-13 1971-07-13 Verfahren zur herstellung von cyangruppenhaltigen azofarbstoffen

Publications (1)

Publication Number Publication Date
GB1387728A true GB1387728A (en) 1975-03-19

Family

ID=5813498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3254172A Expired GB1387728A (en) 1971-07-13 1972-07-12 Production of azo dyes containing cyano groups

Country Status (4)

Country Link
US (1) US3876621A (enExample)
CH (1) CH574481A5 (enExample)
DE (1) DE2134896A1 (enExample)
GB (1) GB1387728A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439806A1 (fr) * 1978-10-25 1980-05-23 Bayer Ag Procede de production de colorants cyanazoiques
US4257944A (en) * 1978-04-05 1981-03-24 Imperial Chemical Industries Limited Process for the manufacture of cyano azo dyes

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310745C3 (de) * 1973-03-03 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azoverbindungen
DE2456495C3 (de) * 1974-11-29 1978-05-11 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung praktisch metallfreier Azofarbstoffe, welche in der Diazokomponente ortho-ständig zur Azobrüeke mindestens eine Cyangruppe aufweisen
DE2610675C3 (de) * 1976-03-13 1979-05-17 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Cyanazofarbstoffen
FR2427364A1 (fr) * 1978-05-31 1979-12-28 Ugine Kuhlmann Procede de preparation industrielle de colorants azoiques contenant des groupes cyano
CH639115A5 (de) * 1979-07-20 1983-10-31 Sandoz Ag Verfahren zur herstellung von azobenzol-verbindungen.
DE3427201A1 (de) * 1984-07-24 1986-01-30 Basf Ag, 6700 Ludwigshafen Heterocyclische azofarbstoffe
DE4215392A1 (de) * 1992-05-11 1993-11-18 Basf Ag Benzisothiazol- und Benzthiophenazofarbstoffe mit einer Kupplungskomponente aus der Anilinreihe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570024A (en) * 1951-10-02 Production of substituted barbi
US2195076A (en) * 1936-10-24 1940-03-26 Gen Aniline & Film Corp Process of replacing halogen in cyclic halogen compounds and product thereof
DE1542961A1 (de) * 1965-04-10 1970-07-16 Merck Anlagen Gmbh Pflanzenmorphoregulatorisch wirksame Mittel
US3549635A (en) * 1968-07-01 1970-12-22 Sandoz Ag Preparation of substituted-2(1h)-quinazolinones

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257944A (en) * 1978-04-05 1981-03-24 Imperial Chemical Industries Limited Process for the manufacture of cyano azo dyes
FR2439806A1 (fr) * 1978-10-25 1980-05-23 Bayer Ag Procede de production de colorants cyanazoiques

Also Published As

Publication number Publication date
DE2134896A1 (de) 1973-02-01
CH574481A5 (enExample) 1976-04-15
US3876621A (en) 1975-04-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee