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:
Mar. 11, 2003
Filed:
Jan. 13, 1998
Applicant:
Inventors:
Michael F. Weber, Shoreview, MN (US);
Timothy J. Nevitt, Red Wing, MN (US);
William W. Merrill, White Bear Lake, MN (US);
Kelly M. Roscoe, Orono, MN (US);
Andrew J. Ouderkirk, Woodbury, MN (US);
John A. Wheatley, Lake Elmo, MN (US);
Gary B. Hanson, Hudosn, WI (US);
James M. Jonza, Woodbury, MN (US);
Jeffrey A. Boettcher, Falcon Heights, MN (US);
Yaoqi J. Liu, Maplewood, MN (US);
Terence D. Neavin, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/706 ; B32B 2/708 ; B32B 2/736 ;
U.S. Cl.
CPC ...
B32B 2/706 ; B32B 2/708 ; B32B 2/736 ;
Abstract
Multilayer polymeric films and other optical bodies are provided which is useful in making colored mirrors and polarizers. The films are characterized by a highly uniform change in color as a function of viewing angle.