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
Priority claimed from AT1029971Aexternal-prioritypatent/AT318639B/de
Application filed by Shell Int ResearchfiledCriticalShell Int Research
Priority to AT654873ApriorityCriticalpatent/AT333706B/de
Publication of ATA654873ApublicationCriticalpatent/ATA654873A/de
Application grantedgrantedCritical
Publication of AT333706BpublicationCriticalpatent/AT333706B/de