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US 2008/0176774 A1Published application
Method for lubricating metals
AssigneeE. I. DuPont de Nemours and Company
InventorsGREGORY A. BELL, JON LEE HOWELL, CLAY WOODWARD JONES, ROBERT CLAYTON WHELAND
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Abstract
Liquid hydrofluorocarbons provide low corrosivity lubrication of metallic surfaces especially at elevated temperatures.
Claims10
A method comprising:
- contacting a metallic surface with an amorphous liquid hydrofluorocarbon co-telomer comprising 30-65% of monomer units derived from hexafluoropropylene and having a H:F molar ratio of 0.05:1.
Dependencies are inferred from the claim text.