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 US07/067,526external-prioritypatent/US4791133A/en
Priority claimed from US07/202,279external-prioritypatent/US4895869A/en
Application filed by Searle & CofiledCriticalSearle & Co
Priority claimed from EP88109997Aexternal-prioritypatent/EP0296580B1/de
Application grantedgrantedCritical
Publication of ATE82250T1publicationCriticalpatent/ATE82250T1/de