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 filedfiledCritical
Priority to PL18808776ApriorityCriticalpatent/PL98685B1/en
Publication of PL98685B1publicationCriticalpatent/PL98685B1/en
PL18808776A1976-03-181976-03-18
METHOD OF PURIFICATION OF PETROLEUM, PETROLEUM FACTIONS AND RESIDUES FROM SALT AND HIGH-MOLECULAR ORGANIC COMPOUNDS
PL98685B1
(en)