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. 11, 2017
Filed:
Feb. 01, 2013
Basf Coatings Gmbh, Münster, DE;
Christian Weiher, Münster, DE;
Günter Klein, Münster, DE;
Andreas Poppe, Karlstadt, DE;
Ulrike Clausen-Meiring, Senden, DE;
Helmut Kleine Beckmann, Ostbevern, DE;
Corinna Auβmann, Hamm, DE;
Thomas Leitner, Münster, DE;
BASF Coatings GmbH, Muenster, DE;
Abstract
Described is a clearcoat coating composition, its use, and a process for preparing the clearcoat coating composition. The clearcoat coating composition comprises (A) at least one polyester having an OH number of 80-250 mg KOH/g; (B) at least one butanol-etherified melamine-formaldehyde resin having a crosslinking onset temperature between 65° C.-100° C. lower than the crosslinking onset temperature of hexamethoxy-methylmelamine; (C) at least one butanol-etherified melamine-formaldehyde resin having a crosslinking onset temperature between 30° C.-60° C. lower than the crosslinking onset temperature of hexamethoxymethylmelamine; (D) at least one organic urea compound as rheological assistant; and (E) at least one acid catalyst.