POLYMER-CONTAINING PRE-RINSE PRIOR TO A CONVERSION TREATMENT

World Intellectual Property Organization Patent

APP PUB NO WO-2016165958-A1
SERIAL NO

PCTEP2016057220

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Abstract

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The invention relates to a multi-step method for the anti-corrosion pretreatment of components made from metallic material, in which following a wet-chemical treatment comprising an aqueous solution (A) containing a dissolved and/or dispersed polymer P, said polymer being substituted with heterocycles containing at least one quartenary nitrogen heteroatom, a conversion treatment based on aqueous compounds of the elements Zr, Ti and/or Si, is carried out, optionally prior to, additional coatings protecting against corrosion being applied.

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Patent Owner(s)

Patent OwnerAddress
HENKEL AG & CO KGAADE40589 DÜSSELDORF

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Inventor(s)

Inventor Name Address
CORNEN SOPHIE DUESSELDORF
LILL KIRSTEN AGNES 50823 KÖLN
HENZE NATASCHA 51375 LEVERKUSEN
WAPNER KRISTOF 40589 DÜSSELDORF
POSNER RALF 41540 DORMAGEN
MAAS MICHIEL GERARD 51379 LEVERKUSEN

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