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.)
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Bayer AG
JP Stevens and Co Inc
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Bayer AG
JP Stevens and Co Inc
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Publication date
Priority claimed from DE19691916270external-prioritypatent/DE1916270B2/en
Application filed by Bayer AG, JP Stevens and Co IncfiledCriticalBayer AG
Publication of ES377866A1publicationCriticalpatent/ES377866A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for the production of monoazo dyes, of general formula: **(See formula)** where R represents an alkyl group with 1-5 carbon atoms and Z represents a benzene nucleus A (see formula) which may be substituted by alkyl groups, trifluoromethyl groups, nitro groups and halogen atoms, or a benzene nucleus of the formula: **(See formula)** wherein R1 signifies an alkyl group with 1-5 carbon atoms, characterized in that it comprises reacting a diazotized amine of the general formula: **(See formula)** where R is defined as above, with a coupling component of general formula: **(See formula)** where Z is defined as above. (Machine-translation by Google Translate, not legally binding)
ES377866A1969-03-251970-03-24Procedure for the production of monoazoic colors (Machine-translation by Google Translate, not legally binding)
ExpiredES377866A1
(en)
A method of manufacturing an acid coloring for natural and synthetic polyamide fibers and for secondary cellulose acetate fibers. (Machine-translation by Google Translate, not legally binding)