ES240637A1 - Procedure for the preparation of new anthraquinone colorants (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new anthraquinone colorants (Machine-translation by Google Translate, not legally binding)
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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Novartis AG
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Ciba Geigy AG
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Priority to ES0240637ApriorityCriticalpatent/ES240637A1/en
Publication of ES240637A1publicationCriticalpatent/ES240637A1/en
Process for the preparation of new anthraquinone dyes, characterized in that it is acylated with anhydrides or halides of beta-halogenopropionic acid, anthraquinone dyes of the formula ** (See formula) ** where they mean n an integer valued at the most 5, R a benzene radical, a Z one sulfonic acid group, and the other Z a hydrogen atom, or a sulfonic acid group. (Machine-translation by Google Translate, not legally binding)
ES0240637A1958-03-111958-03-11Procedure for the preparation of new anthraquinone colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES240637A1
(en)
Procedure for the manufacture of new colorants of the anthraquinºnica, peridicarboxilimida and ftalocianºnica series (Machine-translation by Google Translate, not legally binding)