Inventor
SIEJA JAMES B
US8 patents
Patents
8 patentsUS5312959AMay 17, 1994
Purification of 2-methylglutaronitrile or adiponitrile
DU PONT35 citations91
US5192399AMar 9, 1993
Purification of aminonitriles or diamines
DU PONT25 citations91
US5162567ANov 10, 1992
Purification of 6-aminocapronitrile
DU PONT13 citations72
US5153351AOct 6, 1992
Removal of tetrahydroazepine (tha) from 6-aminocapronitrile by reaction with reactive methylene compounds
DU PONT11 citations72
US5133838AJul 28, 1992
Purification of 6-aminocapronitrile
DU PONT10 citations72
US4933483AJun 12, 1990
Manufacture of 5-cyanovaleric acid and its esters
DU PONT10 citations72
US4508660AApr 2, 1985
Carbonylation of olefinically unsaturated nitriles and acids using a sulfone solvent
DU PONT14 citations72
US4950778AAug 21, 1990
Manufacture of 5-cyanovaleric acid and its esters using cyclic cosolvents
DU PONT6 citations61