Production of fluormethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether
A process for removing water from a mixture comprising hydrogen fluoride and water, said process comprising: a) providing a mixture comprising hydrogen fluoride and water; and b) removing water from the mixture as a constant boiling mixture with hydrogen fluoride.
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Paragraph 0051-0053
(2015/09/28)
STABLE PHARMACEUTICAL COMPOSITION OF FLUOROETHER COMPOUND FOR ANESTHETIC USE, METHOD FOR STABILIZING A FLUOROETHER COMPOUND, USE OF STABILIZER AGENT FOR PRECLUDING THE DEGRADATION OF A FLUOROETHER COMPOUND
The present invention has as objective the stabilization of a fluoroether compound against degradation by acid substances. The stabilizers proposed are selected among appropriate pharmaceutical compounds and are used for preparing stable pharmaceutical compositions of a fluoroether compound. Method for stabilizing a fluoroether compound and use of stabilizers agents for precluding the degradation of a fluoroether are also described.
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Page/Page column 17-18; figure 1
(2008/06/13)
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