DE112098C - - Google Patents

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Publication number
DE112098C
DE112098C DENDAT112098D DE112098DA DE112098C DE 112098 C DE112098 C DE 112098C DE NDAT112098 D DENDAT112098 D DE NDAT112098D DE 112098D A DE112098D A DE 112098DA DE 112098 C DE112098 C DE 112098C
Authority
DE
Germany
Prior art keywords
trioxynaphthalene
heating
preparation
water
temperatures above
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
DENDAT112098D
Other languages
German (de)
Publication of DE112098C publication Critical patent/DE112098C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring

Landscapes

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

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKERELBERLIN. PRINTED IN THE REICHSDRUCKEREL

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von ßj ß2 ^-Trioxynaphtalin durch Erhitzen der ßx ß2 a4-Trioxynaphtalin-ß3-sulfosäure mit Wasser oder verdünnter Mineralsäure auf Temperaturen über i6o°C.Process for the preparation of ßj ß 2 ^ -trioxynaphthalene by heating the ß x ß 2 a 4 -trioxynaphthalene-ß 3 -sulfonic acid with water or dilute mineral acid to temperatures above 160 ° C.
DENDAT112098D Active DE112098C (en)

Publications (1)

Publication Number Publication Date
DE112098C true DE112098C (en)

Family

ID=381782

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT112098D Active DE112098C (en)

Country Status (1)

Country Link
DE (1) DE112098C (en)

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