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:
Dec. 14, 2010
Filed:
Apr. 30, 2009
Michael F. Weber, Shoreview, MN (US);
Timothy J. Nevitt, Red Wing, MN (US);
Andrew J. Ouderkirk, Singapore, SG;
John A. Wheatley, Lake Elmo, MN (US);
James M. Jonza, Woodbury, MN (US);
Yao Qi Liu, Shoreview, MN (US);
Andrew T. Ruff, Mendota Heights, MN (US);
Jeffery A. Boettcher, St. Paul, MN (US);
Michael F. Weber, Shoreview, MN (US);
Timothy J. Nevitt, Red Wing, MN (US);
Andrew J. Ouderkirk, Singapore, SG;
John A. Wheatley, Lake Elmo, MN (US);
James M. Jonza, Woodbury, MN (US);
Yao Qi Liu, Shoreview, MN (US);
Andrew T. Ruff, Mendota Heights, MN (US);
Jeffery A. Boettcher, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Multilayer optical films having one or more reflection bands are provided. The films include alternating polymeric layers configured to selectively reflect and transmit visible light at a design angle of incidence, where the selective reflection includes first and second visible reflection bands. At least one of the first and second visible reflection bands is a first-order reflection.