Canadian Patent Office Record
Canada. Patent Office
... 4 et de 1.2 et 1,3 alkariediols d'atomes de carbone de 2 a 4 David Malcolm
McQueen, Wilmington, Delaware, U.S.A., assignor to E. I. du Pont de Nemours
and Company, Wilmington, Delaware, U.S.A. Application March 18, 1947, Serial
No.