Methods of removing inorganic fluoride from compositions containing fluorinated organic compounds

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United States of America Patent

PATENT NO 11919788
APP PUB NO 20230029807A1
SERIAL NO

17810942

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Abstract

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Methods of treating a water sample containing both free fluoride and fluorinated organic compounds are described. The methods are effective at removing high amounts of the free fluoride while retaining high amounts of the fluorinated organic compounds. The methods include combining the water sample with a hexaalkyldisiloxane, a strong acid and a compatibilizing solvent; reacting the free fluoride with the disiloxane; and removing the fluorinated reaction product.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Vorarath, Phanasouk Cottage Grove, US 3 1

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