Inventor
SIEFERT KRISTINE S
US10 patents
⚠️ This page may combine multiple inventors who share the name “SIEFERT KRISTINE S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NALCO CHEMICAL CO
8 patentsUS5346627ASep 13, 1994
Method for removing metals from a fluid stream
NALCO CHEMICAL CO83 citations94
US5200089AApr 6, 1993
Pulp and paper mill wastewater color removal
NALCO CHEMICAL CO26 citations92
US5401420AMar 28, 1995
Sulfide ion-selective electrodes for control of chemical feed of organic sulfide products for metal ion precipitation from waste water
NALCO CHEMICAL CO27 citations91
US5125966AJun 30, 1992
Process for de-oiling mill sludge
NALCO CHEMICAL CO25 citations88
US5047083ASep 10, 1991
Process for de-oiling mill scale
NALCO CHEMICAL CO26 citations88
US5338816AAug 16, 1994
Hydrophobic polyelectrolytes used in removing color
NALCO CHEMICAL CO15 citations73
US5283306AFeb 1, 1994
Hydrophobic polyelectrolytes used in removing color
NALCO CHEMICAL CO13 citations73
US5328599AJul 12, 1994
System using sulfide ion-selective electrodes for control of chemical feed of organic sulfide products for metal ion precipitation from waste water
NALCO CHEMICAL CO13 citations72