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. 07, 2023
Filed:
Jun. 26, 2018
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Kristy A. Gillette, Spring Valley, WI (US);
Carl A. Stover, St. Paul, MN (US);
Matthew B. Johnson, Woodbury, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B32B 7/023 (2019.01); B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); B32B 7/023 (2019.01); B32B 27/30 (2013.01); G02B 5/305 (2013.01); G02B 5/3066 (2013.01);
Abstract
Rolls of film are described. In particular, rolls of film including a multilayer birefringent reflective polarizer and a polyvinyl alcohol layer are described. Such films exhibit low variation in pass axis across a full crossweb width.