The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2012
Filed:
Jul. 21, 2010
Frank Niggemann, Landshut, DE;
Mike Schneider, Langenbach, DE;
Phu Qui Nguyen, Moenchengladbach, DE;
Frank Niggemann, Landshut, DE;
Mike Schneider, Langenbach, DE;
Phu Qui Nguyen, Moenchengladbach, DE;
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
The present invention provides a powder coating composition comprising at least one glycidyl-functionalised (meth) acrylic resin, 1 to 30 wt %, the wt % based on the total weight of component A), of at least one hydroxyl-functionalised alkyl acrylate alkyl methacrylate copolymer, and at least one component selected from the group consisting of pigments, fillers, cross-linking agents and/or coating additives different from component B). The powder coating composition of this invention can provide coatings having improved impact resistance, corrosion stability, heat resistance and weather resistance. The powder coating also has good properties including good flow behavior and durability against aggressive substances, such as, inorganic acids.