Process for preparing concentrated tetrafluoroboric acid
AssigneeHoechst Aktiengesellschaft
InventorsManfred Feser, Egon Joerchel, Jurgen Korinth
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Abstract
Process for the preparation of a concentrated tetrafluoroboric acid from boron/oxygen compounds and hydrogen fluoride by reacting a solid boron/oxygen compound with a hydrogen fluoride-containing gas.
Claims10
A process for the preparation of tetrafluoroboric acid which comprises bringing a gas containing hydrogen fluoride into contact with a solid boron/oxygen compound to form concentrated tetrafluoroboric acid and separating said tetrafluoroboric acid from said solid boron/oxygen compound.
A process for the preparation of tetrafluoroboric acid which comprises passing a gas containing hydrogen fluoride through a bed of granular boron/oxygen compound to form concentrated tetrafluoroboric acid and recovering said tetrafluoroboric acid from said bed of granular material.
Dependencies are inferred from the claim text.