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 US06/880,456external-prioritypatent/US4736002A/en
Application filed by Rexene Prod CofiledCriticalRexene Prod Co
Priority claimed from EP87305797Aexternal-prioritypatent/EP0251771B1/de
Application grantedgrantedCritical
Publication of ATE62910T1publicationCriticalpatent/ATE62910T1/de