DE172106C - - Google Patents

Info

Publication number
DE172106C
DE172106C DENDAT172106D DE172106DA DE172106C DE 172106 C DE172106 C DE 172106C DE NDAT172106 D DENDAT172106 D DE NDAT172106D DE 172106D A DE172106D A DE 172106DA DE 172106 C DE172106 C DE 172106C
Authority
DE
Germany
Prior art keywords
acid
oanisidinedisulfonic
anisidine
sulfurized
avoiding
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
DENDAT172106D
Other languages
German (de)
Publication of DE172106C publication Critical patent/DE172106C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton

Description

BEIU-IN. GEDRUCKT IN DER REICHSDRUCKEREI.BEIU-IN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung einer Di-oanisidindisulfosäure, darin bestehend, daß man Di-o-anisidin mit rauchender Schwefelsäure und unter Vermeidung starker Temperaturerhöhung sulfuriert.A process for the preparation of a di-oanisidinedisulfonic acid, consisting in that di-o-anisidine is sulfurized with fuming sulfuric acid and avoiding a sharp increase in temperature.
DENDAT172106D Active DE172106C (en)

Publications (1)

Publication Number Publication Date
DE172106C true DE172106C (en)

Family

ID=437020

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT172106D Active DE172106C (en)

Country Status (1)

Country Link
DE (1) DE172106C (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2868715A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for the production thereof and their use
EP2868713A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for the production thereof and their use
EP2868705A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for their production and their use
EP2868703A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for their production and their use
EP2868708A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal-free acid dyes, process for the production thereof and their use
EP2868711A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for the production thereof and their use
EP2868707A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for their production and use of said dyes
US9650516B2 (en) 2013-10-29 2017-05-16 Dystar Colours Distribution Gmbh Acid dyes, process for the production thereof and their use
US9725597B2 (en) 2013-10-29 2017-08-08 Dystar Colours Distribution Gmbh Acid dyes, process for the production thereof and their use

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2868715A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for the production thereof and their use
EP2868713A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for the production thereof and their use
EP2868705A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for their production and their use
EP2868703A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for their production and their use
EP2868708A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal-free acid dyes, process for the production thereof and their use
EP2868711A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for the production thereof and their use
EP2868707A1 (en) 2013-10-29 2015-05-06 DyStar Colours Distribution GmbH Metal free acid dyes, process for their production and use of said dyes
WO2015062932A1 (en) 2013-10-29 2015-05-07 Dystar Colours Distribution Gmbh Acid dyes, process for the production thereof and their use
WO2015062931A1 (en) 2013-10-29 2015-05-07 Dystar Colours Distribution Gmbh Acid dyes, process for their production and their use
US9624376B2 (en) 2013-10-29 2017-04-18 Dystar Colours Distribution Gmbh Acid dyes, process for the production thereof and their use
US9650516B2 (en) 2013-10-29 2017-05-16 Dystar Colours Distribution Gmbh Acid dyes, process for the production thereof and their use
US9725597B2 (en) 2013-10-29 2017-08-08 Dystar Colours Distribution Gmbh Acid dyes, process for the production thereof and their use
US9745474B2 (en) 2013-10-29 2017-08-29 Dystar Colours Distribution Gmbh Acid dyes, process for the production thereof and their use

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