DE270335C - - Google Patents

Info

Publication number
DE270335C
DE270335C DENDAT270335D DE270335DA DE270335C DE 270335 C DE270335 C DE 270335C DE NDAT270335 D DENDAT270335 D DE NDAT270335D DE 270335D A DE270335D A DE 270335DA DE 270335 C DE270335 C DE 270335C
Authority
DE
Germany
Prior art keywords
diazotized
wool dyes
dioxynaphthalene
dinitrophenol
aminophenol
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
DENDAT270335D
Other languages
German (de)
Publication of DE270335C publication Critical patent/DE270335C/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium

Landscapes

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

Description

Früheres Zusatzpatent: 246084.Former additional patent: 246084.

BERLIN. GEDBUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Abänderung des durch Patent 245280 geschützten Verfahrens zur Darstellung ν für das Einbad-Chromverfahren besonders geeigneter blauer Wollfarbstoffe, darin bestehend, daß man zwecks Gewinnung grüner Wollfarbstoffe an Stelle des diazotierten p-Chlor-o-aminophenols hier diazotierte Pikraminsäure (2-Amino-4 · 6-dinitrophenol) mit ι · 8-Dioxynaphtalinmonoalkyläther-4- oder -5-sulfosäure kuppelt.Modification of the method of representation protected by patent 245280 ν blue wool dyes particularly suitable for the single-bath chrome process, consisting of that for the purpose of obtaining green wool dyes, instead of the diazotized p-chloro-o-aminophenol, diazotized here Picramic acid (2-amino-4 6-dinitrophenol) with ι 8-dioxynaphthalene monoalkyl ether-4- or -5-sulfonic acid couples.
DENDAT270335D Active DE270335C (en)

Publications (1)

Publication Number Publication Date
DE270335C true DE270335C (en)

Family

ID=527092

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT270335D Active DE270335C (en)

Country Status (1)

Country Link
DE (1) DE270335C (en)

Similar Documents

Publication Publication Date Title
DE270335C (en)
DE245280C (en)
DE483461C (en) Process for the production of chromium-containing azo dyes
DE651105C (en) Process for dyeing textile fabrics with azo dyes
DE233147C (en)
DE469288C (en) Process for the preparation of developable trisazo dyes
DE243470C (en)
DE896187C (en) Process for producing real tints
DE223558C (en)
DE676561C (en) Process for dyeing and printing cellulose esters and ethers
DE229303C (en)
DE741493C (en) Process for the preparation of tris and tetrakisazo dyes
DE451848C (en) Process for the preparation of trisazo dyes
DE621452C (en) Process for the production of water-insoluble azo dyes on the fiber
DE251233C (en)
DE382427C (en) Process for the preparation of azo dyes
DE606984C (en) Process for the preparation of water-insoluble disazo dyes
DE146210C (en)
DE202018C (en)
DE276142C (en)
DE626831C (en) Process for the production of azo dyes on cellulose esters and ethers
DE407564C (en) Process for the preparation of tetrakisazo dyes
DE670535C (en) Process for the preparation of water-insoluble disazo dyes
DE167257C (en)
DE64398C (en) Process for the preparation of trisazo dyes using j'-amidonaphthol sulfonic acid. (3