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Laffort Y Cia S R C
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Laffort Y Cia S R C
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Priority to ES0247996ApriorityCriticalpatent/ES247996A1/es
Publication of ES247996A1publicationCriticalpatent/ES247996A1/es
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Processes Of Treating Macromolecular Substances
(AREA)
Abstract
Procedimiento de fabricación del ácido metatartrico con índice de saponificación elevadocaracterizado porque el ácido metatartrico está calentado bajo vacío durante un periodo suficiente para conseguir una esterificación máximacon el fin de conseguir un ácido metatartrico teniendo un índice de saponificación superior a 40%.
ES0247996A1959-03-181959-03-18Un procedimiento de fabricaciën de acido metatartrico con indice de saponificaciën elevado
ExpiredES247996A1
(es)
UN PROCEDIMIENTO PARA LA ESTERIFICACIoN DE áCIDOS DICARBOXiLICOS DE ELEVADOS PUNTOS DE EBULLICIoN O, RESPECTIVAMENTE, DESCOMPOSICIoN, CON ALCOHOLES MONO O POLIVALENTES