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US 5,399,274 AGranted
Metal working lubricant
OwnerR. Steven Marcusinventor
Life of this patent
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Abstract
A lubricant composition for use in metalworking processes comprising a fatty acid, an amino alcohol and a phosphate ester. Optional components include a triazole, an amine carboxylate, an amine borate or a vegetable oil. The composition may be used in dilute form in water or alcohol.
Claims30
A lubricant composition comprising a fatty acid, an amino alcohol, an amine carboxylate, an amine borate ester and an effective complexing amount of a phosphate ester.
A lubricant composition comprising the following components solubilized in a solvent:
- ______________________________________ Component Weight Percent ______________________________________ solvent about 62.2% aminomethylpropanol about 5% a fatty acid mixture about 5% benzotriazole about 0.2% an amine carboxylate about 6% an amine borate ester about 0.6% a phosphate ester about 19% rapeseed oil about 2% ______________________________________
- wherein the fatty acid mixture comprises isostearic acid.
Dependencies are inferred from the claim text.