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 Montedison SpafiledCriticalMontedison Spa
Publication of CS130186A2publicationCriticalpatent/CS130186A2/cs
Publication of CS261236B2publicationCriticalpatent/CS261236B2/cs