Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the recovery of valuable metals, particularly rare earths and similar metals, from a carbonate-containing raw material

Process for the recovery of valuable metals, particularly rare earths and similar metals, from a carbonate-containing raw material

US Patent 4670228 · Granted Jun 2, 1987

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Reverse piezoelectric method for production of silane2011