Inventor
HWA CHIH MING
5 patents
⚠️ This page may combine multiple inventors who share the name “HWA CHIH MING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEMED CORP
4 patentsUS4101441AJul 18, 1978
Composition and method of inhibiting corrosion
CHEMED CORP37 citations90
US4066398AJan 3, 1978
Corrosion inhibition
CHEMED CORP53 citations90
US4048066ASep 13, 1977
Method of inhibiting scale
CHEMED CORP41 citations88
US3959167AMay 25, 1976
Method and composition of inhibiting scale
CHEMED CORP23 citations75