Corrosion inhibitors
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United States of America Patent
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Issued Date -
May 13, 2004
app pub date -
Jun 19, 2003
filing date -
Jul 26, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Use of a montmorillonite as a corrosion inhibitor for a metallic substrate. A corrosion inhibiting composition for a metallic substrate and a method of reducing corrosion on a metallic substrate. The montmorillonite preferably having a unit cell composition of [(Si.sub.8).sup.IV.(Al.sub.3.33Mg.sub.0.67).sup.IV.O.sub.20(OH).sub.4]0.6-7M.sup.+ in which the superscripts (IV) and (VI) denote respective tetrahedral and octahedral layer cations and M.sup.+ denotes a univalent or equivalent compensating cationic charge.
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