Aqueous polycarboxylic acid containing coating composition with improved leveling properties

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12173179
APP PUB NO 20230235193A1
SERIAL NO

17759129

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Abstract

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Disclosed herein is an aqueous coating composition including an anionically stabilized binder, a color pigment, a polycarboxylic acid, and optionally a solvent. Further disclosed is a method for producing an aqueous coating composition by adding a solution of polycarboxylic acid in a solvent to a coating composition including an anionically stabilized binder and color pigment. Additionally disclosed is a method for producing a multicoat paint system by producing a basecoat layer or at least two directly consecutive basecoat layers directly on a substrate optionally coated with a first coating layer, producing a clearcoat layer directly on the basecoat layer or the topmost basecoat layer, and jointly curing the basecoat layer(s) and the clearcoat layer. At least one of the basecoat materials includes the aqueous coating composition disclosed herein and/or an aqueous coating prepared by the disclosed method. A multicoat paint system obtainable by the method is additionally disclosed.

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Patent Owner(s)

Patent OwnerAddress
BASF COATINGS GMBHGLASURITSTR 1 MUNSTER 48165

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deller, Katrin Munich, DE 2 0
Eikelmann, Klaus Würzburg, DE 4 51
Jankowski, Peggy Würzburg, DE 21 44
Loew, Norbert Würzburg, DE 7 0
Poppe, Andreas Münster, DE 88 455
Steinmetz, Bernhard Münster, DE 71 195
Stoll, Dominik Münster, DE 9 8

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