Polymer-containing pre-rinse prior to a conversion treatment

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United States of America

PATENT NO 11230768
APP PUB NO 20180051377A1
SERIAL NO

15783171

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Abstract

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A multi-step method for anti-corrosion pretreatment of components made from metallic materials, in which a wet chemical treatment with an aqueous composition (A) containing a dissolved and/or dispersed polymer P, which is substituted with heterocycles containing at least one quaternary nitrogen heteroatom, is followed by a conversion treatment based on water-soluble compounds of the elements Zr, Ti, and/or Si before further anti-corrosion coatings are optionally applied.

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Patent OwnerAddress
HENKEL AG & CO KGAA40589 DÜSSELDORF

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cornen, Sophie Duesseldorf, DE 8 62
Henze, Natascha Leverkusen, DE 4 2
Lill, Kirsten Agnes Cologne, DE 3 3
Maas, Michiel Gerard Leverkusen, DE 2 0
Posner, Ralf Dormagen, DE 10 1
Wapner, Kristof Duesseldorf, DE 15 5

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