Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Production of rare earth compounds

Production of rare earth compounds

US Patent 4497785 · Granted Feb 5, 1985

Estimated economic value: $75,087,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Brine treatment1993
Continuous displacement chromatographic method1992
Treatment of brine1992
Brine treatment1992
Continuous high performance liquid chromatography1992
Recovery of lanthanides1990
Continuous displacement chromatographic method1990
Recovery of metal values from spent catalysts1988
Method for recovering valuable metals from deactivated catalysts1982