Inventor
KOEHLER CHARLES E
US9 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER CHARLES E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UPJOHN CO
6 patentsUS4246364AJan 20, 1981
Process for polyisocyanurate foams based on an amide-diol blend
UPJOHN CO26 citations81
US4339343AJul 13, 1982
Novel process and product
UPJOHN CO15 citations73
US4289858ASep 15, 1981
Polyol-fluorocarbon-aminetriol blend and polyisocyanurate foams therefore
UPJOHN CO8 citations73
US4256802AMar 17, 1981
Process for polyisocyanurate foams suitable for panels
UPJOHN CO12 citations73
US4104346AAug 1, 1978
Process for molding a substantially isotropic isocyanate-based polymer foam bun
UPJOHN CO1 citations46
US4179094ADec 18, 1979
Portable, expandable mold for fabricating substantially isotropic isocyanate based polymer foam buns
UPJOHN CO0 citations36
DOW CHEMICAL CO
3 patentsUS5312888AMay 17, 1994
Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof
DOW CHEMICAL CO67 citations93
US4904704AFeb 27, 1990
Rigid foams prepared from treated toluene diisocyanate residue
DOW CHEMICAL CO27 citations91
US5290818AMar 1, 1994
Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof
DOW CHEMICAL CO34 citations90