Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and C.sub.1 -C.sub.3 alcohols for cleaning
AssigneeAlliedSignal Inc.
InventorsEarl August Eugene Lund, deceased, Hang Thanh Pham, Ian Robert Shankland, Ellen Louise Swan
Life of this patent
Estimating the term…
Abstract
Novel azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and C.sub.1 -C.sub.3 alcohols or mixtures thereof are useful in solvent cleaning.
Claims19
An azeotrope-like composition consisting essentially from about 99.9 to about 80 weight percent 1,1,1,3,3-pentafluoropropane and about 0.1 to about 20 weight percent of an alcohol selected from the group of methanol, ethanol, n-propanol, isopropanol and mixtures thereof, wherein said composition has a boiling point at 760 mmHg of at least about 14.2.degree. C. to 14.5.degree. C..+-.0.5.degree. C.
Dependencies are inferred from the claim text.