C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 11/14 (2006.01) B01J 13/00 (2006.01) C23F 11/10 (2006.01)
Patent
CA 2202678
Guanidine salts of monounsaturated or polyunsaturated fatty acids with 6 to 44 C atoms are used to achieve a temporary anticorrosive protection of metallic surfaces. The guanidine salts are preferably dissolved in a oil-in-water emulsion. Also disclosed are oil-in-water emulsions whose oil phase may consist of various oil-like solvents that contain unsaturated fatty acid guanidine salts.
On utilise des sels de guanidine d'acides gras mono-insaturés ou polyinsaturés ayant 6 à 44 atomes de C pour réaliser une protection temporaire de surfaces métalliques contre la corrosion. Les sels de guanidine sont de préférence dissous dans une émulsion huile dans eau. L'invention concerne également des émulsions huile dans eau dont la phase huile peut être constituée de différents solvants huileux contenant les sels de guanidine d'acides gras insaturés.
Geke Juergen
Speckmann Horst-Dieter
Stedry Bernd
Westfechtel Alfred
Borden Ladner Gervais Llp
Henkel Kommanditgesellschaft Auf Aktien
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