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Publication of ES454142A1publicationCriticalpatent/ES454142A1/en
Process for preparing polyisocyanates, characterized in that it comprises hydrogenating polynitriles of hydroxy-functional polymeric fatty acids, in the presence of ammonia and a catalyst. (Machine-translation by Google Translate, not legally binding)
ES454142A1975-12-101976-12-10Procedure for preparing polyisocianates. (Machine-translation by Google Translate, not legally binding)
ExpiredES454142A1
(en)
Procedure for the preparation of N- (2-amino-3,5-dibromobenciliden) -trans-4-amino-ciclohexanol. (Machine-translation by Google Translate, not legally binding)