Perfluorinated gem-diphosphonates as corrosion inhibitors...

C - Chemistry – Metallurgy – 07 – F

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C07F 9/38 (2006.01) C09K 5/20 (2006.01) C23F 11/10 (2006.01) C23F 11/167 (2006.01) C09K 7/02 (1995.01)

Patent

CA 2144558

A coolant or antifreeze composition has one or more glycols or glycol ethers in combination with water, one or more additives, and an effective amount of one or more perfluoro-gem-diphosphonates as corrosion inhibitors.

Divulgation d'une composition de frigorigène ou d'antigel comportant un ou plusieurs glycols ou éthers glycoliques en combinaison avec de l'eau, un ou plusieurs additifs et une quantité efficace d'un ou de plusieurs perfluoro-gem-diphosphonates, comme inhibiteurs de la corrosion.

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