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CHEM FAB GRIESHELM ELEKTRON
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CHEM FAB GRIESHELM ELEKTRON
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Publication of GB191403312ApublicationCriticalpatent/GB191403312A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
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Abstract
3312. Chemische Fabrik Griesheim- Elektron. May 17, 1913, [Convention date]. Formaldehyde condensation products of 2:3- oxynaphthoic acid arylides are prepared by treating the arylides with formaldehyde in presence of alkali. Anilides, toluidides, and their chlor and nitro substitution derivatives, naphthalides, &c. may be used. Azo dyes are obtained by combining the abovedescribed formaldehyde compounds with diazo compounds.
GB191403312D1913-05-171914-02-07Manufacture of Condensation Products from the Arylides of 2:3-oxynaphthoic Acid and Formaldehyde.
ExpiredGB191403312A
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