DE238452C - - Google Patents

Info

Publication number
DE238452C
DE238452C DENDAT238452D DE238452DA DE238452C DE 238452 C DE238452 C DE 238452C DE NDAT238452 D DENDAT238452 D DE NDAT238452D DE 238452D A DE238452D A DE 238452DA DE 238452 C DE238452 C DE 238452C
Authority
DE
Germany
Prior art keywords
mol
methyl
suifoaryl
pyrazolons
sulfoaryl
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
DENDAT238452D
Other languages
German (de)
Publication of DE238452C publication Critical patent/DE238452C/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
    • 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)
  • Coloring (AREA)

Description

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

Claims (1)

Patent-Anspruch:Patent claim: Abänderung des durch Patent 235949 geschützten Verfahrens zur Darstellung gelber Disazofarbstoffe für Wolle, darin bestehend, daß die Tetrazoverbindung des m-Dichlorbenzidins statt mit 2 Mol. eines ι - SuIf oaryl - 3 - methyl - 5 - pyrazolone hier mit ι Mol. eines 1 -SuIfoaryl-3-methyl-5-pyrazolons und 1 Mol. einer o-Oxycarbonsäure der Benzolreihe kombiniert wird.Modification of the method of representation protected by patent 235949 yellow disazo dyes for wool, consisting in that the tetrazo compound des m-dichlorobenzidine instead of 2 mol. of a ι - sulfoaryl - 3 - methyl - 5 - pyrazolone here with ι Mol. Of a 1 -SuIfoaryl-3-methyl-5-pyrazolons and 1 mole of a benzene series o-oxycarboxylic acid is combined.
DENDAT238452D Active DE238452C (en)

Publications (1)

Publication Number Publication Date
DE238452C true DE238452C (en)

Family

ID=497974

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT238452D Active DE238452C (en)

Country Status (1)

Country Link
DE (1) DE238452C (en)

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