Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ted M. Schlosser0
Date of Patent
May 11, 2010
0Patent Application Number
119747040
Date Filed
October 15, 2007
0Patent Primary Examiner
Patent abstract
A composition for removing copper from a surface comprises a polyphosphonic acid, a primary amine, and water. Optionally, the composition may also comprise a dialkanolamine and/or a trialkanolamine, a degreaser, and/or a surfactant. The pH of the composition is between 9.0 and 12.5. The method of removing copper from a surface, which may be a gun bore, involves contacting the surface with the composition.
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