Method of protecting reinforced concrete structures
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United States of America Patent
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Sep 14, 1999
Issued Date -
N/A
app pub date -
Jul 20, 1998
filing date -
Feb 15, 1994
priority date (Note) -
Expired
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Abstract
A method of protecting reinforced concrete structures comprising of applying a protective cathodic coating containing a non-corroding metal and an electrochemically active material on concrete wherein the protective coating is formed by thermally spraying a mixture of said non-corroding metal such as a valve metal and said electrochemically active material. The coating may also be formed by applying a precursor of the electrochemically active material and a metal-containing layer to concrete, then anodically polarizing said metal layer to convert the precursor into an electrochemically active material.
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