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Pfizer Italia SRL
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Farmaceutici Italia SpA
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Application filed by Farmaceutici Italia SpAfiledCriticalFarmaceutici Italia SpA
Publication of ES218523A1publicationCriticalpatent/ES218523A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Paper
(AREA)
Abstract
Procedimiento para la preparación de nuevos compuestos tensionactivos catiónicosaptos para precipitar cualtitativamente el ácido pícrico de sus soluciones acuosas o de soluciones acuosas de sus salespresentando la fórmula **(Ver fórmula(** en la cual A- representa el radical de un ácido y R un radical alcohílo con un número de átomos C superior a 4caracterizado porque se trata un éter correspondiente del p-aminofenol en estado de salo eventualmentecomo base librecon cianamidaen caliente.
ES0218523A1953-11-211954-11-19PROCEDIMIENTO PARA LA PREPARACIoN DE NUEVOS COMPUESTOS TENSIONACTIVOS CATIoNICOS
ExpiredES218523A1
(es)