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Variaoat A G
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Variaoat A G
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Publication of ES201270A2publicationCriticalpatent/ES201270A2/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Phenolic Resins Or Amino Resins
(AREA)
Abstract
Modificaciones en el procedimiento para la preparación de productos de condensación objeto de la patente principal caracterizadas por hacer reaccionar ácidos aminosulfónicos halogenados de la serie benzólica con derivados reactivos de la serie aminobenzólica de los ácidos carbónico o tiocarbónico con la condición de que los productos finales de condensación han de contener por lo menos un grupo trifluorometilo y sólo un grupo sulfónico.
ES0201270A1950-12-261951-12-22UN PROCEDIMIENTO PARA LA PREPARACIoN DE PRODUCTOS DE CONDENSACIoN
ExpiredES201270A2
(es)