DE302260C - - Google Patents

Info

Publication number
DE302260C
DE302260C DENDAT302260D DE302260DA DE302260C DE 302260 C DE302260 C DE 302260C DE NDAT302260 D DENDAT302260 D DE NDAT302260D DE 302260D A DE302260D A DE 302260DA DE 302260 C DE302260 C DE 302260C
Authority
DE
Germany
Prior art keywords
dye
golden
mixed
preparation
sulfuric acid
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
DENDAT302260D
Other languages
German (de)
Publication of DE302260C publication Critical patent/DE302260C/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/02—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic ring being only condensed in peri position
    • C09B5/04—Pyrazolanthrones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

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

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung eines goldorangefarbigen Küpenfarbstoffes der Anthracenreihe, dadurch gekennzeichnet, daß man den nach Beispiel 1 des Patentes 301554 erhältlichen Farbstoff mit Schwefelsäure erwärmt.Process for the preparation of a golden-orange vat dye of the anthracene series, characterized in that the dye obtainable according to Example 1 of patent 301554 is mixed with sulfuric acid warmed up.
DENDAT302260D Active DE302260C (en)

Publications (1)

Publication Number Publication Date
DE302260C true DE302260C (en)

Family

ID=556077

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT302260D Active DE302260C (en)

Country Status (1)

Country Link
DE (1) DE302260C (en)

Similar Documents

Publication Publication Date Title
DE302260C (en)
DE323665C (en) Process for making an adhesive
DE81752C (en)
DE189836C (en)
DE849992C (en) Process for the production of colorings and prints on polyamide fibers
DE76236C (en) Process for the production of lead white
DE295142C (en)
DE236984C (en)
AT68994B (en) Process for the production of dyeings on wool.
DE440510C (en) Process for pickling and staining metals
DE243586C (en)
DE254592C (en)
DE232127C (en)
DE236289C (en)
DE290489C (en)
DE248837C (en)
DE562382C (en) Process for dyeing with Kuepen dyes
DE582317C (en) Process for the production of ammonium nitrate
DE195901C (en)
DE645603C (en) Process for dyeing blended fabrics made from acetate silk and animal fibers
DE275660C (en)
DE445251C (en) Process for developing Kuepen dyes on the fiber
DE521476C (en) Process for the preparation of dye mixtures
DE459975C (en) Process for the production of azo dyes in print
DE517747C (en) Process for evacuating the copper oxide ammonia cellulose spinning solutions with recovery of the simultaneously escaping gaseous ammonia