ES267991A1 - A procedure for the obtaining of melamine from urea and its products of thermal decomposition (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the obtaining of melamine from urea and its products of thermal decomposition (Machine-translation by Google Translate, not legally binding)
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.)
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SUEDDEUTSCHE KALKSTICKSTOFF-WERKE AG
Evonik Operations GmbH
Original Assignee
SUEDDEUTSCHE KALKSTICKSTOFF-WERKE AG
SKW Trostberg AG
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Publication of ES267991A1publicationCriticalpatent/ES267991A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A PROCESS FOR THE OBTAINING OF MELAMINE FROM UREA AND/OR ITS THERMAL DECOMPOSITION PRODUCTS, by heating at 200-450º C and at atmospheric pressure or higher pressure, in the presence of ammonia and using aluminum oxide as a catalyst, characterized in that The catalyst used is a phosphated substance, which otherwise consists entirely or preponderantly of aluminum oxide in free or chemically combined form, the proportion of phosphate corresponding to a content of 0.01-35% by weight of P. (Machine-translation by Google Translate, not legally binding)
ES0267991A1960-06-141961-06-05A procedure for the obtaining of melamine from urea and its products of thermal decomposition (Machine-translation by Google Translate, not legally binding)
ExpiredES267991A1
(en)
A procedure for the obtaining of melamine from urea and its products of thermal decomposition (Machine-translation by Google Translate, not legally binding)
A procedure for the obtaining of melamine from urea and its products of thermal decomposition (Machine-translation by Google Translate, not legally binding)