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Procedimiento de obtención de medios de contraste radiológico, caracterizado por establecerse los mismos conteniendo como sustancia sombreante, combinaciones de la fórmula general **FIGURA** en donde R1 significa grupos acil inferiores y X un resto acil, de preferencia el resto acetil, o el resto -CH-R2. Y en el que R2 representa un resto de hidrocarburo alifático, cicloalifático o aromático con hasta 6 átomos C ó hidrógeno, e Y un grupo carboxilo libre, esterificado o alterado por formación de sales con bases inorgánicas y/u orgánicas fisiológicamente tolerables.
ES0262696A1960-10-281960-10-28Mejoras en la fabricaciën de condensadores de mica
ExpiredES262696A1
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