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:
May. 13, 2014
Filed:
Oct. 20, 2008
Gunther Stollwerck, Krefeld, DE;
Robert Maleika, Düsseldorf, DE;
Frank Buckel, Krefeld, DE;
Peter Capellen, Krefeld, DE;
Gunther Stollwerck, Krefeld, DE;
Robert Maleika, Düsseldorf, DE;
Frank Buckel, Krefeld, DE;
Peter Capellen, Krefeld, DE;
Bayer MaterialScience AG, , DE;
Abstract
Compositions, suitable for coating surfaces, methods for their preparation and for coating surfaces therewith, where said compositions comprise: (a) 100,000 parts by weight of a primer composition comprising a binder material (a1), a primer solvent (a2) and a UV absorber (a3), wherein the primer composition is suitable as an adhesion-promoting agent between a thermoplastic substrate and a siloxane-based top coat; (b) 0 to 900,000 parts by weight of a solvent, and (c) 1 to 3000 parts by weight of a compound according to the general formula (I): wherein X represents a moiety selected from the group consisting —OR, —OCHCHOR, —OCHCH(OH)CHORand —OCH(R)COOR, wherein Rrepresents a branched or unbranched C-Calkyl, C-Calkenyl, C-Caryl or —CO—C-Calkyl, Rrepresents H or a branched or unbranched C-Calkyl, and Rrepresents a C-Calkyl, a C-Calkenyl or a C-Ccycloalkyl, and wherein the composition has a viscosity of 40 s to 140 s measured in accordance with DIN EN ISO 2431 at 23° C. and with a 2 mm cup.