Back to results
US 5,990,359 AGranted
Process for the production of fluoromethylhexafluoroisopropylether
AssigneeImperial Chemical Industries PLC
InventorsThomas Anthony Ryan, Leslie Burgess
Life of this patent
Estimating the term…
Abstract
Process for producing Sevoflurane anaesthetic which comprises reacting hexafluoroisopropyl alcohol with essentially pure bis(fluoromethyl)ether. The bis(fluoromethyl)ether is preferably obtained by the reaction of formaldehyde with hydrogen fluoride.
Claims5
A process for the production of fluoromethylhexafluoroisopropylether which comprises reacting essentially pure bis(fluoromethyl)ether with hexafluoroisopropyl alcohol and recovering the resulting fluoromethylhexafluoroisopropylether from the reaction products.
Dependencies are inferred from the claim text.