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NORKA ESPANOLA SOC ANENIMA
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NORKA ESPANOLA SOC ANENIMA
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Application filed by NORKA ESPANOLA SOC ANENIMAfiledCriticalNORKA ESPANOLA SOC ANENIMA
Priority to ES0258686ApriorityCriticalpatent/ES258686A1/es
Publication of ES258686A1publicationCriticalpatent/ES258686A1/es
Procedimiento para la obtención de resinas de urea formol esterificadas con alcoholcaracterizado por consistir en hacer reaccionar la urea y el formol en presencia de compuestos bisulfíticosllevando la reacción hasta una viscosidad determinadadestilado a continuación al agua que existe en el medioy esterificar después con un alcohol primario la resina de urea formol.
ES0258686A1960-06-061960-06-06Procedimiento para la obtenciën de resinas de urea-formol esterificadas con alcohol
ExpiredES258686A1
(es)