Fast-drying Refinish Basecoat

August 10, 2005

Patent No. U.S. 6,518,338 B2
BASF Corp. has been granted a patent for a refinish basecoat composition that includes an alkyd resin, at least one pigment dispersed by a resin comprising the alkyd resin and a hydroxyl-functional acrylic polymer. The acrylic polymer has an average molecular weight of at least 6000 and is polymerized using at least 45% by weight cycloaliphatic monomer, based on total monomer weight polymerized. The mixer system that can be used to prepare the refinish basecoat has a plurality of color components, each independently including at least one pigment dispersed by resin including an alkyd resin, and a pigment-free component containing the hydroxyl-functional acrylic polymer.