Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Purified, strontium-free barium values

Purified, strontium-free barium values

US Patent 4818504 · Granted Apr 4, 1989

Estimated economic value: $3,283,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for the treatment of a glass to reduce its wettability by gallium and an1998
Insolubilization of contaminating metallic impurities from liquid media comprise1997
Conversion of SO.sub.2 gaseous effluents into solutions of ammonium or alkali/al1997
Thorium phosphates prepared by insolubilization of soluble thorium compounds1995
Selective liquid/liquid extraction of yttrium from other rare earths values1993
Selective liquid/liquid extraction of yttrium from other rare earths values1993
Recovery of gallium values from basic aqueous solutions thereof1993
Separation of rare earth values by liquid/liquid extraction1993
Separation of rare earth values by liquid/liquid extraction1993
Separation of rare earth values by liquid/liquid extraction1993
Separation of rare earth values by liquid/liquid extraction1993
Selective extraction of amino acids1991