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:
May. 14, 2019
Filed:
Sep. 03, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Matthew B. Johnson, Woodbury, MN (US);
Adam D. Haag, Woodbury, MN (US);
Martin E. Denker, Vadnais Heights, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B32B 7/02 (2019.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); G02B 5/08 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); B32B 7/02 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); B32B 27/365 (2013.01); G02B 5/0841 (2013.01); G02B 5/305 (2013.01); B32B 2307/42 (2013.01);
Abstract
Thermoplastic birefringent multilayer optical films are described. More particularly, thermoplastic multilayer films having alternating first and second layers having a linear layer profile where both outer layers are thinner than 350 nm but thicker than 150 nm are described. Thermoplastic birefringent multilayer optical films with thinner outer protective boundary layers are described.