Inventor
VAN DER WAL HANNO R
NL13 patents
⚠️ This page may combine multiple inventors who share the name “VAN DER WAL HANNO R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOW CHEMICAL CO
4 patentsUS4980445ADec 25, 1990
Thermoplastic polyurethanes
DOW CHEMICAL CO58 citations95
US4789690ADec 6, 1988
Polyurethane foam and process for its preparation
DOW CHEMICAL CO35 citations88
US5274004ADec 28, 1993
Process for conversion of polyurethane polymer to polyol and fresh polyurethane polymer therefrom
DOW CHEMICAL CO13 citations72
US5936055AAug 10, 1999
Acid functionalized polyurethane adducts
DOW CHEMICAL CO13 citations68