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 US07/173,210external-prioritypatent/US4874792A/en
Application filed by Smithkline Beecham CorpfiledCriticalSmithkline Beecham Corp
Publication of MX9203743ApublicationCriticalpatent/MX9203743A/es