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Bayer AG
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Bayer AG
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Publication of ES401812A1publicationCriticalpatent/ES401812A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Phenolic Resins Or Amino Resins
(AREA)
Abstract
Procedure for obtaining diamino-diarylmethanes and polyamine-polyarylmethanes, by reaction of aromatic amino compounds with formaldehyde and/or formaldehyde donors; characterized in that the mixed reaction participants are heated, in the absence of catalysts, to temperatures above 200ºC. (Machine-translation by Google Translate, not legally binding)
ES401812A1971-04-161972-04-15Preparation of diaminodiarylmethanes and polyaminopolyarylmethan es
ExpiredES401812A1
(en)
Procedure for the elimination of ammonium nitrate from a mixture of water and ammonium sulfate containing ammonium nitrate. (Machine-translation by Google Translate, not legally binding)