Composition and method for treating magnesium alloys

Compositions: coating or plastic – Coating or plastic compositions – Corrosion inhibiting coating composition

Reexamination Certificate

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Details

C106S014110, C148S247000, C427S435000, C428S469000, C428S471000, C428S472000, C428S472100

Reexamination Certificate

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10478861

ABSTRACT:
The invention relates to a composition and method for treating a magnesium alloy. The inventive composition comprises an acid aqueous solution containing niobium pentoxide, a water-soluble cerium salt and, optionally, a zirconium salt and/or hydroflouric acid. Said method consists in submerging a magnesium alloy part in said composition. The invention can be used to protect magnesium alloy parts against corrosion.

REFERENCES:
patent: 3066055 (1962-11-01), Pimbley
patent: 5260357 (1993-11-01), Sachdeva
patent: 5584944 (1996-12-01), Bershas et al.
patent: 2005/0072685 (2005-04-01), Ardelean et al.
patent: 707722 (1941-07-01), None
patent: 0969078 (2000-01-01), None
patent: 99/60186 (1999-11-01), None

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