Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 9, 2008
Patent Application Number
11120228
Date Filed
May 2, 2005
Patent Primary Examiner
Patent abstract
The present invention is directed to a passivating material suitable for passivating a metal surface. The passivating material comprises a polymer which comprises (a) at least one nitro group, and/or pyridine group, and/or phenolic hydroxyl group; and (b) at least one group selected from a phosphorous-containing group and/or a carboxylic acid group, wherein the at least one phosphorous-containing group is selected from a phosphate, a phosphite, or a non-nitrogen substituted phosphonate.
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