CH604507A5CH1696274ACH1696274ACH604507A5CH 604507 A5CH604507 A5CH 604507A5CH 1696274 ACH1696274 ACH 1696274ACH 1696274 ACH1696274 ACH 1696274ACH 604507 A5CH604507 A5CH 604507A5
Authority
CH
Switzerland
Application number
CH1696274A
Inventor
William W Prichard
Francis Wilfred Stacey
Original Assignee
Du Pont
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
Publication of CH604507A5publicationCriticalpatent/CH604507A5/xx