Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Recovery of zinc and ammonium chloride

Recovery of zinc and ammonium chloride

US Patent 4865831 · Granted Sep 12, 1989

Estimated economic value: $4,627,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus for producing alkylene glycols, alkylene glyocols having higher primar1999
Apparatus for producing alkylene glycols, alkyene glycols having higher primary 1997
High purity polyether polyols1990
Process for producing 2,3,5,6-tetrachloropyridine1989
Process for producing 2,3,5,6-tetrachloropyridine1987
Current switching member for circuit breakers1982
Circuit breaker accessories packaged in a standardized molded case1981