Inventor
NIU JOSEPH H Y
US16 patents
⚠️ This page may combine multiple inventors who share the name “NIU JOSEPH H Y”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BETZ LABORATORIES
8 patentsUS4430196AFeb 7, 1984
Method and composition for neutralizing acidic components in petroleum refining units
BETZ LABORATORIES43 citations92
US4749468AJun 7, 1988
Methods for deactivating copper in hydrocarbon fluids
BETZ LABORATORIES21 citations82
US4490275ADec 25, 1984
Method and composition for neutralizing acidic components in petroleum refining units
BETZ LABORATORIES20 citations82
US4894139AJan 16, 1990
Methods for deactivating copper in hydrocarbon fluids
BETZ LABORATORIES15 citations74
US4883580ANov 28, 1989
Methods for deactivating iron in hydrocarbon fluids
BETZ LABORATORIES16 citations74
US4847415AJul 11, 1989
Methods and composition for deactivating iron in hydrocarbon fluids
BETZ LABORATORIES15 citations74
US4810354AMar 7, 1989
Bifunctional antifoulant compositions and methods
BETZ LABORATORIES17 citations74
US5019341AMay 28, 1991
Method of inhibiting corrosion of metal surfaces in contact with a corrosive hydrocarbon containing medium
BETZ LABORATORIES9 citations73