Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Low temperature, non-SO.sub.2 polluting, kettle process for separation of lead from lead sulfide-containing material

Low temperature, non-SO.sub.2 polluting, kettle process for separation of lead from lead sulfide-containing material

US Patent 4521247 · Granted Jun 4, 1985

Estimated economic value: $3,372,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for separation of dross elements combining sodium addition to molten bul1983
Low temperature, non-SO.sub.2 polluting, kettle process for the separation of an1982
Low temperature, non-SO.sub.2 polluting, kettle process for the separation of an1982
Low temperature, non-SO.sub.2 polluting, kettle process for the separation of an1982
Low temperature, non-SO.sub.2 polluting, kettle process for separation of lead f1982
Low temperature, non-SO.sub.2 polluting, kettle process for separation of lead f1982
Low temperature, non-SO.sub.2 polluting, kettle process for separation of lead f1982
Low temperature, non-SO.sub.2 polluting, kettle process for separation of lead f1982