The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 2010
Filed:
Aug. 29, 2007
Melodie A. Schweitzer, Wilmington, DE (US);
Allen Capron Sievert, Elkton, MD (US);
Joan Ellen Bartelt, Wilmington, DE (US);
Barbara Haviland Minor, Elkton, MD (US);
Melodie A. Schweitzer, Wilmington, DE (US);
Allen Capron Sievert, Elkton, MD (US);
Joan Ellen Bartelt, Wilmington, DE (US);
Barbara Haviland Minor, Elkton, MD (US);
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z-CFCH═CHCF, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether, or alkanes and combinations thereof. In one embodiment, the one compound selected from the group consisting of alcohols, halocarbons, fluoroalkyl ethers, hydrofluorocarbons, alkanes is either methanol, ethanol, iso-propanol, n-propanol, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, n-propyl bromide, CFOCH, CFOCH, HFC-43-10mee, HFC-365mfc, heptane, or combinations thereof. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.