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:
Apr. 10, 2007
Filed:
Nov. 17, 2004
Siegfried Anders, Köln, DE;
Rüdiger Gorny, Moon Township, PA (US);
Peter Schwarz, Krefeld, DE;
Claus Rüdiger, Krefeld, DE;
Jürgen Röhner, Köln, DE;
Siegfried Anders, Köln, DE;
Rüdiger Gorny, Moon Township, PA (US);
Peter Schwarz, Krefeld, DE;
Claus Rüdiger, Krefeld, DE;
Jürgen Röhner, Köln, DE;
Bayer Materialscience AG, Leverkusen, DE;
Abstract
A transparent sheet having improved optical properties is disclosed. The sheet that features a deviation angle α(min) according to DIN 52305-A-AS of ≦2.0 and a refracting power D(min) according to DIN 52305-A-AZ of ≦0.05, is prepared by extruding a molding composition comprising linear (co)polycarbonate having weight average molecular weight of 25,000 to 31,000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile