DE239339C - - Google Patents

Info

Publication number
DE239339C
DE239339C DENDAT239339D DE239339DA DE239339C DE 239339 C DE239339 C DE 239339C DE NDAT239339 D DENDAT239339 D DE NDAT239339D DE 239339D A DE239339D A DE 239339DA DE 239339 C DE239339 C DE 239339C
Authority
DE
Germany
Prior art keywords
indigo
indigoleuco
phenols
arise
salts
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
DENDAT239339D
Other languages
German (de)
Publication of DE239339C publication Critical patent/DE239339C/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
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
    • C09B67/0077—Preparations with possibly reduced vat, sulfur or indigo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Description

*) Frühere Zusatzpatente: 239336, 239337 und 239338.*) Former additional patents: 239336, 239337 and 239338.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Herstellung von Indigo in fein verteilter Form, darin bestehend, daß man in Abänderung des Verfahrens des Hauptpatents 237368 und des Zusatzpatents 239337 den Indigo bei Gegenwart von Phenolen aus Indigoleukoverbindungen oder Indigosalzen entstehen läßt.Process for the production of indigo in finely divided form, consisting therein that one in modification of the procedure of the main patent 237368 and the additional patent 239337 the indigo can arise in the presence of phenols from indigoleuco compounds or indigo salts.
DENDAT239339D Active DE239339C (en)

Publications (1)

Publication Number Publication Date
DE239339C true DE239339C (en)

Family

ID=498790

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT239339D Active DE239339C (en)

Country Status (1)

Country Link
DE (1) DE239339C (en)

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