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Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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Filing date
Publication date
Application filed by Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpAfiledCriticalMontedison SpA
Publication of ES279432A1publicationCriticalpatent/ES279432A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for the production of urea from ammonia and carbon dioxide, with total recycling of the reagents not converted to the autoclave, characterized in that the separation of the unconverted reagents is carried out in two stages, distillation and condensation , using the heat released in the first stage, of condensation of the carbamate, for the distillation of carbamate in the second stage. (Machine-translation by Google Translate, not legally binding)
ES0279432A1961-07-141962-07-13Procedure for the production of urea (Machine-translation by Google Translate, not legally binding)
ExpiredES279432A1
(en)
New procedure for the manufacture of hydrocyanic acid and acetic acid from oxyminoacetone (Machine-translation by Google Translate, not legally binding)