Method of providing corrosion protection
AssigneeLucent Technologies Inc.
InventorsHarold E. Fuchs, Henry Hon Law, Daniel George Muth
Life of this patent
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Abstract
Disclosed is a method and solution for providing corrosion protection for electrical contact members. The contact members are exposed to the solution, which in one embodiment includes a phosphonate, a lubricant, and a solvent. In a preferred embodiment, the phosphonate is phosphonic acid, the lubricant is polyphenyl ether or tricresylphosphate, and the solvent includes an isoparaffinic hydrocarbon. In a further embodiment, the lubricant can be omitted from the solution.
Claims11
A method for treating electrical contact members for corrosion protection comprising exposing the members to a solution consisting essentially of a phosphonate, a lubricant, and a solvent having a flash point above 49 degrees C., wherein the lubricant is not a phosphonate material.
A method for treating electrical contact members for corrosion protection comprising exposing the members to a solution consisting essentially of phosphonic acid having the formula CH.sub.3 (CH.sub.2).sub.n PH.sub.2 O.sub.3, where n is in a range of 5-13, and a solvent, wherein the solvent comprises an isoparaffinic hydrocarbon and, optionally one of octanol and polyolesters.
Dependencies are inferred from the claim text.