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Priority claimed from FI680022Aexternal-prioritypatent/FI48206C/fi
Application filed by Kroyer K K KfiledCriticalKroyer K K K
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Publication of FI54503BpublicationCriticalpatent/FI54503B/fi
Publication of FI54503CpublicationCriticalpatent/FI54503C/fi
Foerfarande foer delignifiering av cellulosahaltigt material genom behandling med alkali och syre tillsammans med magnesiumsalter och komplexbildare haerfoer