US Patent 8168575 Metalworking fluids comprising neutralized fatty acids
Patent 8168575 was granted and assigned to Angus Chemical Company on May, 2012 by the United States Patent and Trademark Office.
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Patent abstract
An additive for an aqueous metalworking fluid (MWF) comprises a C12-20 fatty acid neutralized with at least one of an amine, alkanolamine and a caustic. The additive is designed for use in an aqueous MWF having a pH of at least about 7 and comprising at least about 0.10 weight percent, based on the weight of the MWF, of the neutralized C12-20 fatty acid. The additive inhibits the staining of ferrous and nonferrous metals during and after machining.
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Patent Inventor Names
Bonnie A. Pyzowski0
Charles E. Coburn0
Patrick E. Brutto0
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US Patent 08168575 Metalworking fluids comprising neutralized fatty acids US Patent 8168575 Metalworking fluids comprising neutralized fatty acids
Infobox
Patent Number
081685750
Patent Number
81685750
Edits on 3 Apr, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
081685750
Date of Patent
May 1, 2012
0Patent Application Number
122976750
Date Filed
April 26, 2007
0Patent Primary Examiner
Edits on 14 Dec, 2021
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Infobox (+8 properties)
US Patent 08168575 Metalworking fluids comprising neutralized fatty acids
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08168575
Date of patent
May 1, 2012
Patent application number
12297675
Date Filed
April 26, 2007
Patent primary examiner
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