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Dow Chemical Co
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Dow Chemical Co
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Priority to ES272149ApriorityCriticalpatent/ES272149A3/es
Publication of ES272149A3publicationCriticalpatent/ES272149A3/es
Procedimiento para la obtención de un producto impermeabilizante para el relleno de medios permeables en contacto con aguas de salinidad variables que pueden alcanzar la saturación
Un metodo para preparar una esponja de poliuretanoprocedimiento para la preparacion de productos de que con-tiene una carga. adicion de amina y lactama.