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 Du PontfiledCriticalDu Pont
Priority to MX18067780ApriorityCriticalpatent/MX147196A/en
Publication of MX147196ApublicationCriticalpatent/MX147196A/en