Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hydrometallurgical treatment of copper-bearing hematite residue

Hydrometallurgical treatment of copper-bearing hematite residue

US Patent 4338168 · Granted Jul 6, 1982

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Towel drill device and method of making same2017
Compact disc player and method for controlling ejection of a compact disc from t2012
Method of analyzing a digital media by a digital media player2007
Hydrometallurgical process for the recovery of nickel and cobalt values from a s2003
Hydrometallurgical process for the recovery of nickel and cobalt values from a s2002
Process and apparatus for treating foundry sludge to recover magnesium2002
Process for upgrading copper sulphide residues containing nickel and iron1999
Process for the separation of cobalt from nickel1995
Upgrading copper sulphide residues containing nickel and arsenic1994
Shading device1993
Recovery of pure platinum and palladium1991
Recovery of pure platinum and palladium1991