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. 29, 2013
Filed:
Sep. 29, 2009
Applicants:
Marc-stephan Weiser, Leverkusen, DE;
Thomas Roelle, Leverkusen, DE;
Friedrich-karl Bruder, Krefeld, DE;
Thomas Fäcke, Leverkusen, DE;
Dennis Hönel, Zülpich, DE;
Klaus Lorenz, Dormagen, DE;
Jörg Hofmann, Krefeld, DE;
Inventors:
Marc-Stephan Weiser, Leverkusen, DE;
Thomas Roelle, Leverkusen, DE;
Friedrich-Karl Bruder, Krefeld, DE;
Thomas Fäcke, Leverkusen, DE;
Dennis Hönel, Zülpich, DE;
Klaus Lorenz, Dormagen, DE;
Jörg Hofmann, Krefeld, DE;
Assignee:
Bayer MaterialScience AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01); G11B 7/245 (2006.01); C08G 18/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types.