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:
Jun. 28, 2016
Filed:
Oct. 16, 2010
Christian Arens, Münster, DE;
Matthijs Groenewolt, Münster, DE;
Christian Arens, Münster, DE;
Matthijs Groenewolt, Münster, DE;
BASF Coatings GmbH, Munster, DE;
Abstract
Disclosed are coating compositions including (A) at least one member selected from hydroxyl-containing polyacrylate, polymethacrylate, polyurethane, polyester, polysiloxane, and combinations of two or more of the foregoing, (B) at least one compound having blocked isocyanate groups and having alkoxysilane groups, wherein (i) the hydroxyl groups of component (A) are blocked with at least one acyclic orthoester, (ii) the compound (B) has at least one structural unit (II)—N(X—SiR″(OR))(X'—SiR″(OR))  (II),where R=hydrogen, cycloalkyl radical or alkyl radical, X,X′=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R″=alkyl, cycloalkyl, aryl or aralkyl, n, m, x, y=0 to 2, and also m+n=2, and (i) at least 90 mol % of the alkoxysilane groups are ethoxysilane groups. Also disclosed are multistage coating processes, use of the compositions as clearcoat materials and application of the processes for automotive OEM finishing.