Du Pont de Nemours and Co.
Patent: US2646449 , 1950 ;

Pashkevich, K. I.; Saloutin, V. I.; Fomin, A. N.; Rudaya, M. N.; Egorova, L. G.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1986 , vol. 35, p. 1438 - 1442
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1986 , # 7 p. 1586 - 1592

Du Pont de Nemours and Co.
Patent: US2646449 , 1950 ;

Du Pont de Nemours and Co.
Patent: US2646449 , 1950 ;