Method for the passivation of metal surfaces with...

Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...

Reexamination Certificate

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C148S253000, C148S259000, C148S283000, C106S014050, C106S014110, C106S014120, C106S014130, C106S014340, C106S014350, C106S014410

Reexamination Certificate

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07905964

ABSTRACT:
Process for the passivation of metallic surfaces, in particular of strip metals, by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and at least one wax.

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patent: WO-2004/000208 (2003-12-01), None
patent: WO-2004/074372 (2004-09-01), None

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