Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Selective removal of metals from aqueous solutions with dithiophosphinic acids

Selective removal of metals from aqueous solutions with dithiophosphinic acids

US Patent 4721605 · Granted Jan 26, 1988

Estimated economic value: $15,213,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and method of operating an information handling system2023
Identification of bacteria by amplification and probing2015
Regeneration of dithiophosphorus acid metal extractants1998
Recovery of indium by solvent extraction using trialkylphosphine oxides1994
Selective recovery of tin by solvent extraction using branched tertiary phosphin1991
Selective recovery of tin by solvent extraction using branched tertiary phosphin1991
Metal recovery with monothiophosphinic acids1991
Process for solvent extraction using phosphine oxide mixtures1990
Uranium recovery from wet process phosphoric acid unsymmetrical phosphine oxides1988
Extraction of silver and palladium metals from aqueous solutions using tertiary 1986
Recovery of cobalt from ammoniacal solutions containing cobalt and nickel1986
Extractant for the selective removal of cobalt(II) from aqueous solutions1983