Inventor
HEIN HANS C
CL9 patents
⚠️ This page may combine multiple inventors who share the name “HEIN HANS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COGNIS CORP
5 patentsUS6702872B1Mar 9, 2004
Processes for the recovery of copper from aqueous solutions containing nitrate ions
COGNIS CORP28 citations92
US6596053B2Jul 22, 2003
Processes for the recovery of copper from aqueous solutions containing nitrate ions
COGNIS CORP30 citations92
US6432167B1Aug 13, 2002
Processes for the recovery of copper from aqueous solutions containing nitrate ions
COGNIS CORP34 citations92
US7166144B2Jan 23, 2007
Interlaced series parallel configuration for metal solvent extraction plants
COGNIS CORP22 citations87
US7025899B2Apr 11, 2006
Concentrated solutions of oxime metal extractants and method of formulating extractant compositions therefrom
COGNIS CORP7 citations69