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 US07/068,509external-prioritypatent/US4921941A/en
Priority claimed from SE8802414Aexternal-prioritypatent/SE8802414D0/en
Application filed by Astra Meditec Ab, Schering CorpfiledCriticalAstra Meditec Ab
Publication of ZA894694BpublicationCriticalpatent/ZA894694B/en