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:
Feb. 20, 2007
Filed:
Sep. 10, 2004
Applicants:
Clinton L. Jones, Somerset, WI (US);
Brant U. Kolb, Afton, MN (US);
Emily S. Goenner, Shoreview, MN (US);
John T. Brady, Lino Lakes, MN (US);
Christopher A. Haak, Oakdale, MN (US);
Inventors:
Clinton L. Jones, Somerset, WI (US);
Brant U. Kolb, Afton, MN (US);
Emily S. Goenner, Shoreview, MN (US);
John T. Brady, Lino Lakes, MN (US);
Christopher A. Haak, Oakdale, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B81B 7/02 (2006.01); B32B 3/10 (2006.01); G02B 5/04 (2006.01); G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A durable optical film includes a polymerized optical film structure having a microstructured surface and a scratch contrast ratio value in a range of 1.0 to 1.65 or 1.0 to 1.15. These durable optical films can include a plurality of nanoparticles and a rounded prism apexes microstructure.