Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0237244ApriorityCriticalpatent/ES237244A1/es
Publication of ES237244A1publicationCriticalpatent/ES237244A1/es
Un procedimiento para la fabricación de pasta o pulpa de papel, en el cual pastos y similares materias primas son digeridas con soluciones débiles de hidróxido de sodio, comprende dichos procedimiento la etapa de regenerar el resultante licor negro conteniendo compuestos de sodio e hidróxido de sodio en una proporción de al menos uno a cuatro, por medio del agregado directo al mismo de cal.
ES0237244A1957-08-221957-08-22Un procedimiento para la fabricaciën de pasta o pulpa de papel
ExpiredES237244A1
(es)