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:
Sep. 01, 2009
Filed:
Feb. 24, 2006
Applicants:
Claus Rüdiger, Krefeld, DE;
Michael Prein, Krefeld, DE;
Marco Roelofs, Krefeld, DE;
Jürgen Röhner, Köln, DE;
Tanja Grüter-reetz, Krefeld, DE;
Inventors:
Claus Rüdiger, Krefeld, DE;
Michael Prein, Krefeld, DE;
Marco Roelofs, Krefeld, DE;
Jürgen Röhner, Köln, DE;
Tanja Grüter-Reetz, Krefeld, DE;
Assignee:
Bayer Material Science AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/00 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a solid sheet prepared from a composition that includes: (a) a transparent polycarbonate; and (b) transparent polymeric particles having an optical density which differs from the transparent polycarbonate matrix material. The present invention also relates to use of such a solid sheet as a diffuser sheet in flat screens.