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US 7,030,067 B2Granted
Bis(perfluoroalkanesulfonyl)imides and their salts as surfactants/additives for applications having extreme environments and methods therefor
Assignee3M Innovative Properties Company
InventorsWilliam M. Lamanna, Patricia M. Savu, Michael J. Parent, Lawrence A. Zazzera
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Abstract
The present invention provides for the use of bis(perfluoroalkanesulfonyl)imide and its salts as surfactants or additives applications having an extreme environment.
Claims13
A hydraulic fluid comprising:
- (a) one or more phosphate esters;
- and
- (b) at least one bis(perfluoroalkanesulfonyl)imide salt additive;
- (c) optionally comprising adjuvants selected from the group consisting of viscosity index improvers, acid control components, antioxidants, lubricants, dyes, corrosion inhibitors, antifoamers, and mixtures thereof.
1 more element
A composition comprising an aqueous solution comprising a bis(perfluoroalkanesulfonyl)imide or its salts.
Dependencies are inferred from the claim text.