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 US07/097,988external-prioritypatent/US4839371A/en
Application filed by Smithkline Beckman Corp, R Tech Ueno LtdfiledCriticalSmithkline Beckman Corp
Publication of ZA886872BpublicationCriticalpatent/ZA886872B/en