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:
Jan. 24, 2012
Filed:
Jan. 15, 2009
Applicants:
Karlheinz Hildenbrand, Krefeld, DE;
Peter Capellen, Krefeld, DE;
Eberhard Koch, Burscheid, DE;
Inventors:
Assignee:
Bayer MaterialScience AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/50 (2006.01); C08J 3/28 (2006.01); B29C 35/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a UV-crosslinkable composition comprising a) unmodified, protonated silica nanoparticles; b) urethane acrylate; c) polar solvent; and d) UV initiator system, wherein the amount by weight of unmodified, protonated silica nanoparticles exceeds the content of urethane acrylate and is at least 50.1 wt. %, based on the dry weight of the coating, to the use of the composition in the coating of substrates, and to substrates coated with such formulations.