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US 5,364,547 AGranted
Lubricants containing perfluorocyclobutane rings
AssigneeThe Dow Chemical Company
InventorsDavid A. Babb, Ted A. Morgan
Life of this patent
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Abstract
A new lubricant comprises at least one compound having a perfluorocyclobutane group, preferably a perfluorovinyl aryl ether. The lubricant is conveniently applied from solvents which are not chlorofluorocarbons and is effective at high temperatures e.g., in engines and for magnetic media, either internally or topically.
Claims39
A lubricant comprising at least one compound having a perfluorocyclobutane group, hydrocarbyl group, and at least one non-carbon atom in the backbone.
A method of lubricating an engine using a composition comprising at least one poly(perfluorocyclobutane aryl ether) compound.
Dependencies are inferred from the claim text.