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US 5,744,436 AGranted
Azeotropic compositions containing perfluorinated cycloaminoether
AssigneeMinnesota Mining and Manufacturing Company
InventorsRichard M. Flynn, Daniel R. Vitcak
Life of this patent
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Abstract
An azeotropic composition includes a perfluorinated cycloaminoether and an organic solvent.
Claims2
An azeotropic composition consisting essentially of about 50 to 40 weight percent perfluoro-N-methyl-morpholine and about 50 to 60 weight percent 1-fluoro-1,1- dichloroethane, which when fractionally distilled, produces a distillate fraction that is an azeotrope of perfluoro-N-methyl-morpholine and 1-fluoro-1,1-dichloroethane that boils at about 27.degree. C. at atmospheric pressure.
Dependencies are inferred from the claim text.