Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Laszlo IgnatisakfiledCriticalLaszlo Ignatisak
Priority to FI912645ApriorityCriticalpatent/FI912645A/fi
Publication of FI912645A0publicationCriticalpatent/FI912645A0/fi
Publication of FI912645ApublicationCriticalpatent/FI912645A/fi
Foerfarande foer blekning och delignifiering av kemiska pappersmassor och anvaendning av foerfarandet vid blekning och delignifiering av sulfatmassor och ASAM-massor