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UNION QUIMICA DEL NORTE DE ESP
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UNION QUIMICA DEL NORTE DE ESP
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Priority to ES0169162ApriorityCriticalpatent/ES169162A2/es
Publication of ES169162A2publicationCriticalpatent/ES169162A2/es
Mejoras introducidas en el procedimiento de obtención de resinas artificiales caracterizado porque se emplea una resina tipo novolak-resol modificada con poli-alcoholes alifáticos con lo que se consigue ampliar ventajosamente el campo de catalizadores utilizables conduciendo la reacción con ácido abiético-piroabiético a la formación de resinas modificadas con cadenas moleculares grandes.
ES0169162A1945-03-081945-03-08Mejoras introducidas con el objeto de la patente
ExpiredES169162A2
(es)
Συστημα συντομευσεως της διαρκειας ανθρακοποιησεως και μετατροπης ξυλων, λιγνιτων, φυτων και παντοσαλλου προς αποσταξιν προιοντος και κατασκευη μηχανηματος απορροφησεως ατμου η αεριων η καπνων και παραγωγης βιομηχανικου ψυχους.