Inventor
ARTHUR SAMUEL D
US22 patents
Patents
22 patentsUS5258203ANov 2, 1993
Process for the manufacture of thin film composite membranes
DU PONT43 citations92
US5173335ADec 22, 1992
Method of producing multilayer reverse osmosis membrane of polyamide-urea
DU PONT24 citations92
US5085777AFeb 4, 1992
Reverse osmosis membranes of polyamideurethane
DU PONT26 citations92
US5019264AMay 28, 1991
Multilayer reverse osmosis membrane of polyamide-urea
DU PONT46 citations92
US5352273AOct 4, 1994
Alkyl substituted aromatic polyester gas separation membranes
DU PONT14 citations73
US5084548AJan 28, 1992
Fluorinated poly(ether sulfone)
DU PONT6 citations73
US5084182AJan 28, 1992
Method for manufacturing of multilayer reverse osmosis membrane of polyamide-urea
DU PONT14 citations73
US5073176ADec 17, 1991
Dicarboxylic acid polyesters and polyamides for fluid separation membranes
DU PONT16 citations73
US4749488AJun 7, 1988
Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide
DU PONT9 citations73
US7867738B2Jan 11, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT1 citations62
US5196604AMar 23, 1993
Fluorinated poly(ether sulfones)
DU PONT4 citations62
US5137606AAug 11, 1992
Reverse osmosis membranes of polyamideurethane
DU PONT3 citations62
US7927847B2Apr 19, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US7927846B2Apr 19, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US7919286B2Apr 5, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US7919287B2Apr 5, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US7919288B2Apr 5, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US7875443B2Jan 25, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US7867737B2Jan 11, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US7863027B2Jan 4, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations52
US5191111AMar 2, 1993
Manufacture of isocyanate-substituted isophtholayl chloride
DU PONT0 citations51
US7867739B2Jan 11, 2011
Process for enzymatically converting glycolonitrile to glycolic acid
DU PONT0 citations47