DE236856C - - Google Patents

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Publication number
DE236856C
DE236856C DENDAT236856D DE236856DA DE236856C DE 236856 C DE236856 C DE 236856C DE NDAT236856 D DENDAT236856 D DE NDAT236856D DE 236856D A DE236856D A DE 236856DA DE 236856 C DE236856 C DE 236856C
Authority
DE
Germany
Prior art keywords
preparation
dichlorobenzidine
pyrazolones
aryl
combining
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.)
Active
Application number
DENDAT236856D
Other languages
German (de)
Publication of DE236856C publication Critical patent/DE236856C/de
Active 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
    • 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
    • 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
    • C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
    • C09B35/18—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from heterocyclic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Coloring (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch :Patent claim: Verfahren zur Darstellung besonders zur Pigmentfarbenbereitung geeigneter Disazofarbstoffe, darin bestehend, daß man die Tetrazoverbindung aus o-Dichlorbenzidin (NH2: Cl — 1:2) mit i-Aryl-3-methyl-5-pyrazolonen kombiniert.Process for the preparation of disazo dyes particularly suitable for pigment color preparation, consisting in combining the tetrazo compound of o-dichlorobenzidine (NH 2 : Cl - 1: 2) with i-aryl-3-methyl-5-pyrazolones.
DENDAT236856D Active DE236856C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236856T

Publications (1)

Publication Number Publication Date
DE236856C true DE236856C (en)

Family

ID=5902775

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT268790D Active DE268790C (en)
DENDAT236856D Active DE236856C (en)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT268790D Active DE268790C (en)

Country Status (1)

Country Link
DE (2) DE236856C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192347B (en) * 1960-10-15 1965-05-06 Hoechst Ag Process for the preparation of water-insoluble disazo dyes
DE2302482A1 (en) * 1973-01-19 1974-08-08 Hoechst Ag DISAZOPIGMENT, THE METHOD FOR ITS MANUFACTURING AND ITS USE

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136038B (en) * 1959-11-21 1962-09-06 Hoechst Ag Process for the preparation of water-insoluble diazo dyes
US6095305A (en) * 1998-08-04 2000-08-01 Ogura Clutch Co., Ltd. Electromagnetic coupling device with noise damper

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192347B (en) * 1960-10-15 1965-05-06 Hoechst Ag Process for the preparation of water-insoluble disazo dyes
DE2302482A1 (en) * 1973-01-19 1974-08-08 Hoechst Ag DISAZOPIGMENT, THE METHOD FOR ITS MANUFACTURING AND ITS USE
US3980635A (en) * 1973-01-19 1976-09-14 Hoechst Aktiengesellschaft Novel form of the disazo pigment from bisdiazotized 3,3'-dichlorobenzidine and 1-(p-tolyl)-3-methylpyrazol-5-one

Also Published As

Publication number Publication date
DE268790C (en)

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