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
Application filed by American Home ProdfiledCriticalAmerican Home Prod
Priority claimed from EP19820306432external-prioritypatent/EP0081955B1/de
Application grantedgrantedCritical
Publication of ATE25082T1publicationCriticalpatent/ATE25082T1/de