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 US00371507Aexternal-prioritypatent/US3803453A/en
Application filed by Du PontfiledCriticalDu Pont
Application grantedgrantedCritical
Publication of AR202536A1publicationCriticalpatent/AR202536A1/es