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.

Date of Patent:
Jul. 18, 2017

Filed:

Apr. 06, 2005
Applicants:

Carl A. Stover, St. Paul, MN (US);

Timothy J. Hebrink, Scandia, MN (US);

Martin E. Denker, Vadnais Heights, MN (US);

Jeffery N. Jackson, Woodbury, MN (US);

Kristopher J. Derks, Woodbury, MN (US);

Michael F. Weber, Shoreview, MN (US);

Anna A. Kobilansky, Maplewood, MN (US);

Joan M. Strobel, Maplewood, MN (US);

Barry S. Rosell, Lake Elmo, MN (US);

John P. Purcell, Madison, AL (US);

Kevin M. Hamer, St. Paul, MN (US);

Robert D. Taylor, Stacy, MN (US);

William B. Black, Eagan, MN (US);

Richard J. Thompson, Lino Lakes, MN (US);

Gregory L. Bluem, St. Paul, MN (US);

Inventors:

Carl A. Stover, St. Paul, MN (US);

Timothy J. Hebrink, Scandia, MN (US);

Martin E. Denker, Vadnais Heights, MN (US);

Jeffery N. Jackson, Woodbury, MN (US);

Kristopher J. Derks, Woodbury, MN (US);

Michael F. Weber, Shoreview, MN (US);

Anna A. Kobilansky, Maplewood, MN (US);

Joan M. Strobel, Maplewood, MN (US);

Barry S. Rosell, Lake Elmo, MN (US);

John P. Purcell, Madison, AL (US);

Kevin M. Hamer, St. Paul, MN (US);

Robert D. Taylor, Stacy, MN (US);

William B. Black, Eagan, MN (US);

Richard J. Thompson, Lino Lakes, MN (US);

Gregory L. Bluem, St. Paul, MN (US);

Assignee:

3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
G02B 1/04 (2013.01); B32B 27/32 (2013.01); Y10T 428/24372 (2015.01); Y10T 428/25 (2015.01); Y10T 428/31507 (2015.04); Y10T 428/31739 (2015.04); Y10T 428/31786 (2015.04); Y10T 428/31935 (2015.04); Y10T 428/31938 (2015.04);
Abstract

Optical bodies are disclosed that include a first optical film, a second optical film and at least one rough strippable boundary layer disposed between the first and second optical films. Also disclosed are optical bodies including a strippable boundary layer disposed between the first and second optical films and including a first polymer and a second polymer that is substantially immiscible in the first polymer. The present disclosure also provides methods of processing optical bodies that include stretching the optical bodies.


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