Inventor
SOMMERFELD EUGENE G
US18 patents
⚠️ This page may combine multiple inventors who share the name “SOMMERFELD EUGENE G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
16 patentsUS4247439AJan 27, 1981
Water-borne coating composition made from epoxy resin, polymeric acid and tertiary amine
DU PONT164 citations98
US4076676AFeb 28, 1978
Aqueous coating composition from aminoplast and reaction product of tertiary amine and polymer containing terminal epoxy groups
DU PONT114 citations96
US6228919B1May 8, 2001
Solvent dispersible interpenetrating polymer networks
DU PONT20 citations92
US5886101AMar 23, 1999
Solvent dispersible interpenetrating polymer networks
DU PONT22 citations92
US5985998ANov 16, 1999
Solvent dispersible interpenetrating polymer networks
DU PONT41 citations91
US4486508ADec 4, 1984
Laminates from an adhesive formed by a system containing an hydroxyl-terminated polymer, an isocyanate-terminated urethane and a polyisocyanate which is a cross-linking agent
DU PONT30 citations90
US4303488ADec 1, 1981
Electrocoating with water-borne coating composition made from epoxy resin, polymeric acid and tertiary amine
DU PONT35 citations86
US4442269AApr 10, 1984
Staged copolymerization of polyesters
DU PONT22 citations80
US4426478AJan 17, 1984
Branched polyester coating compositions
DU PONT22 citations80
US4298724ANov 3, 1981
Branched polyesters for adhesives and coating compositions
DU PONT19 citations80
US5006593AApr 9, 1991
Catenated polymer systems
DU PONT19 citations75
US4076675AFeb 28, 1978
Aqueous coating composition from aminoplast and reaction product of tertiary amine and polymer containing randomly distributed epoxy groups
DU PONT19 citations73
US4487909ADec 11, 1984
Ternary adhesive systems containing a polyester polyol, an isocyanate-polyester-urethane, and a crosslinking agent which is a polyisocyanate
DU PONT14 citations71
US4267288AMay 12, 1981
Epoxy-urethanes based on copolyesters
DU PONT17 citations69
US3940361AFeb 24, 1976
Dispersions of styrene/acrylonitrile copolymers
DU PONT6 citations62
US4419476ADec 6, 1983
Ternary adhesive systems
DU PONT5 citations60