DE208805C - - Google Patents

Info

Publication number
DE208805C
DE208805C DENDAT208805D DE208805DA DE208805C DE 208805 C DE208805 C DE 208805C DE NDAT208805 D DENDAT208805 D DE NDAT208805D DE 208805D A DE208805D A DE 208805DA DE 208805 C DE208805 C DE 208805C
Authority
DE
Germany
Prior art keywords
patents
benzidine
derivatives
modification
preparation
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
DENDAT208805D
Other languages
German (de)
Publication of DE208805C publication Critical patent/DE208805C/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
    • C09B49/00—Sulfur dyes
    • C09B49/04—Sulfur dyes from amino compounds of the benzene, naphthalene or anthracene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Description

Frühere Zusatzpatente: 201835, 201836.Earlier additional patents: 201835, 201836.

Claims (1)

Patent-Anspruch:Patent claim: Abänderung des durch die Patente 201834, 201835 un<3· 201836 geschützten Verfahrens, dadurch gekennzeichnet, daß man die in diesen Patenten beschriebenen Verfahren zur Darstellung von Schwefelfarbstoffen unter Zusatz von Benzidin oder seinen Derivaten ausführt.Modification of the process protected by patents 201834, 201835 and < 3 201836, characterized in that the processes described in these patents for the preparation of sulfur dyes are carried out with the addition of benzidine or its derivatives.
DENDAT208805D Active DE208805C (en)

Publications (1)

Publication Number Publication Date
DE208805C true DE208805C (en)

Family

ID=470812

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT208805D Active DE208805C (en)

Country Status (1)

Country Link
DE (1) DE208805C (en)

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