C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/00 (2006.01) C23F 11/10 (2006.01) C23F 11/12 (2006.01)
Patent
CA 2495020
This invention relates to a corrosion inhibiting composition for use in commercial, institutional, and industrial water systems. The compositions comprise a mixture of (1) a fatty acid ester, and (2) a polyalkylene glycol, preferably polyethylene glycol. These compositions are useful in inhibiting the corrosion of metals such as steel, copper, and brass, which are exposed to water.
Cette invention concerne une composition anticorrosion destinée à être utilisée dans des systèmes d'adduction d'eau commerciaux, publics ou industriels. Les compositions de l'invention comprennent un mélange: 1) d'un ester d'acide gras; et 2) d'un polyalkylène glycol, de préférence un polyéthylène glycol. Ces compositions peuvent empêcher la corrosion des métaux tels que l'acier, le cuivre ou le laiton, lorsqu'ils sont exposés à l'eau.
Libutti Bruce L.
Mihelic Joseph
Ashland Inc.
Ashland Licensing And Intellectual Property Llc
Gowling Lafleur Henderson Llp
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