Inventor
CHAPA GERARDO
US3 patents
Patents
3 patentsUS5496869AMar 5, 1996
Methods and compositions for preparing rigid foams with non-chlorofluorocarbon blowing agents
STEPAN CO37 citations90
US5464561ANov 7, 1995
Methods and compositions for preparing rigid foams with non-chlorofluorocarbon blowing agents
STEPAN CO10 citations71
US5407967AApr 18, 1995
Methods and compositions for preparing rigid forms with non-chlorofluorocarbon blowing agents
STEPAN CO11 citations71