Chemistry of inorganic compounds – Halogen or compound thereof – Binary compound containing metal
Reexamination Certificate
2005-07-26
2005-07-26
Silverman, Stanley S. (Department: 1754)
Chemistry of inorganic compounds
Halogen or compound thereof
Binary compound containing metal
C423S158000, C423S166000, C423S179500
Reexamination Certificate
active
06921522
ABSTRACT:
Methods and apparatus for the production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. Methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine are also disclosed.
REFERENCES:
patent: 4271131 (1981-06-01), Brown et al.
patent: 4588565 (1986-05-01), Schultze et al.
patent: 6048507 (2000-04-01), Amouzegar et al.
Boryta Daniel Alfred
Kullberg Teresita Frianeza
Thurston Anthony Michael
Chemetall Foote Corporation
Fulbright & Jaworski L.L.P.
Medina Maribel
Silverman Stanley S.
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