Method for producing lithium hexafluorophosphate

Details Method for producing lithium hexafluorophosphate Method for producing lithium hexafluorophosphate

2005-10-18

2005-10-18

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Phosphorus or compound thereof

Halogen containing

Reexamination Certificate

active

06955795

ABSTRACT:
In order to provide a method for producing lithium hexafluorophosphate capable of producing lithium hexafluorophosphate of a higher purity than in the related art without the necessity for after-treatment for removal of impurities, a method is characterized by filtering lithium hexafluorophosphate coexisting with a solvent and then carrying out after-filtering drying in a gas atmosphere containing PF5.

REFERENCES:
patent: 3607020 (1971-09-01), Smith, Jr.
patent: 6514474 (2003-02-01), Kikuyama et al.
patent: 6-298507 (1994-10-01), None
patent: 06298507 (1994-10-01), None
patent: 10092468 (1998-04-01), None
patent: 11147705 (1999-06-01), None

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