FR942546A - Process for the preparation of azo dyes, the new dyes conforming to those obtained and their use in industry - Google Patents

Process for the preparation of azo dyes, the new dyes conforming to those obtained and their use in industry

Info

Publication number
FR942546A
FR942546A FR942546DA FR942546A FR 942546 A FR942546 A FR 942546A FR 942546D A FR942546D A FR 942546DA FR 942546 A FR942546 A FR 942546A
Authority
FR
France
Prior art keywords
dyes
industry
preparation
those obtained
conforming
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
Other languages
French (fr)
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR942546A publication Critical patent/FR942546A/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
    • 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
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • 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
    • C09B41/002—Special methods of performing the coupling reaction characterised by the coupling medium containing a solvent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
FR942546D 1946-03-01 1947-02-28 Process for the preparation of azo dyes, the new dyes conforming to those obtained and their use in industry Expired FR942546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH942546X 1946-03-01

Publications (1)

Publication Number Publication Date
FR942546A true FR942546A (en) 1949-02-10

Family

ID=4549519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942546D Expired FR942546A (en) 1946-03-01 1947-02-28 Process for the preparation of azo dyes, the new dyes conforming to those obtained and their use in industry

Country Status (4)

Country Link
BE (1) BE471540A (en)
DE (1) DE846144C (en)
FR (1) FR942546A (en)
NL (1) NL65581C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339653A1 (en) * 1976-02-02 1977-08-26 Cassella Farbwerke Mainkur Ag PROCESS FOR PREPARING AZOIC DYES
FR2391253A2 (en) * 1977-05-20 1978-12-15 Cassella Farbwerke Mainkur Ag PROCESS FOR PREPARING AZOIC DYES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339653A1 (en) * 1976-02-02 1977-08-26 Cassella Farbwerke Mainkur Ag PROCESS FOR PREPARING AZOIC DYES
FR2391253A2 (en) * 1977-05-20 1978-12-15 Cassella Farbwerke Mainkur Ag PROCESS FOR PREPARING AZOIC DYES

Also Published As

Publication number Publication date
DE846144C (en) 1952-08-11
NL65581C (en)
BE471540A (en)

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