DE219268C - - Google Patents

Info

Publication number
DE219268C
DE219268C DENDAT219268D DE219268DA DE219268C DE 219268 C DE219268 C DE 219268C DE NDAT219268 D DENDAT219268 D DE NDAT219268D DE 219268D A DE219268D A DE 219268DA DE 219268 C DE219268 C DE 219268C
Authority
DE
Germany
Prior art keywords
halogenated
diluent
red
solvent
modification
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
DENDAT219268D
Other languages
German (de)
Publication of DE219268C publication Critical patent/DE219268C/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
    • C09B7/00—Indigoid dyes
    • C09B7/10—Bis-thionapthene indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Indole Compounds (AREA)

Description

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

Claims (1)

Patent-Anspruch:Patent claim: 4040 Abänderung des durch Patent 213465 geschützten Verfahrens zur Herstellung halogenierter, roter Thiöindigofarbstoffe, darin bestehend, daß man Schwefelsäure höherer Konzentration als Lösungs- bzw. Verdünnungsmittel verwendet.Modification of the process protected by patent 213465 for the production of halogenated, red thioindigo dyes, consisting in that one sulfuric acid of higher Concentration used as a solvent or diluent.
DENDAT219268D Active DE219268C (en)

Publications (1)

Publication Number Publication Date
DE219268C true DE219268C (en)

Family

ID=480413

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT219268D Active DE219268C (en)

Country Status (1)

Country Link
DE (1) DE219268C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735853A (en) * 1956-02-21 Asymmetrical indigoid dyestuffs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735853A (en) * 1956-02-21 Asymmetrical indigoid dyestuffs

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