Water treating process
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United States of America Patent
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-
Jun 24, 1980
Issued Date -
N/A
app pub date -
Jul 3, 1978
filing date -
Sep 21, 1976
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A water treating agent which comprises a specific polymer containing a structural unit that is derived from a monomer having an ethylenically unsaturated bond and has one or more carboxyl radicals, at least a part of said carboxyl radicals being modified, or another water treating agent which comprises, in addition to said specific polymer, one or more compounds selected from the group consisting of inorganic phosphates, phosphonic acids, organic phosphoric acid esters and polyvalent metal salts, is capable of preventing the formation of corrosion, scale and contamination on the surface of a metal that is in contact with water.
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