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Bayer AG
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Bayer AG
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Publication of ES274353A1publicationCriticalpatent/ES274353A1/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Process for obtaining dyes, characterized in that in dyes or in the dye precursors, according to methods known per se, at least one grouping of the formula is introduced ** (See formula) ** where A represents a carbocyclic or heterocyclic ring of five or six members, X is hydrogen or a substituent, and hydrogen, halogen or an organic moiety, "Halogen" by a halogen moiety and n means an integer from 1 to 3, and, in the case of using previous dye products, these are transformed into the desired final dyes. (Machine-translation by Google Translate, not legally binding)
ES0274353A1961-02-071962-02-06Procedure for obtaining colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES274353A1
(en)
Procedure to prepare a composition for the treatment of ruminants and subsidies in stress conditions (Machine-translation by Google Translate, not legally binding)