Inventor
CARLSTROM WILLIAM L
4 patents
Patents
4 patentsUS4048104ASep 13, 1977
Polyisocyanate prepolymers from scrap polyester and polyurethane foam products obtained therefrom
FREEMAN CHEMICAL CORP64 citations93
US4223068ASep 16, 1980
Rigid polyurethane foam containing polyester residue digestion product and building panel made therefrom
FREEMAN CHEMICAL CORP63 citations90
US4417001ANov 22, 1983
Low smoke isocyanurate modified urethane foam and method of making same
FREEMAN CHEMICAL CORP31 citations88
US4232085ANov 4, 1980
Flexible polyurethane foam having a low flame spread index
FREEMAN CHEMICAL CORP9 citations68