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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.:

US 10427365 B1

PDFFull Text
Date of Patent:
Oct. 01, 2019

Filed:

Dec. 23, 2015

Hand tearable sheets and method for manufacturing same

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Patrick J. Hager, Woodbury, MN (US);

Mark A. Strobel, Maplewood, MN (US);

Joel A. Getschel, Osceola, WI (US);

Shujun J. Wang, Woodbury, MN (US);

Adam O. Moughton, Minneapolis, MN (US);

Neelakandan Chandrasekaran, Woodbury, MN (US);

Assignee:

3M Innovative Properties Company, St. Paul, MN (US);

Attorney:
Primary Examiner:

Brent T O'Hern

Int. Cl.
CPC ...
B29D 7/01 (2006.01); C08J 5/18 (2006.01); C09J 7/22 (2018.01); B32B 5/14 (2006.01); B32B 7/02 (2019.01); B32B 27/06 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 3/02 (2006.01); B32B 3/26 (2006.01); B29C 48/08 (2019.01); B29C 55/12 (2006.01); B29C 55/14 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
B29D 7/01 (2013.01); B32B 3/02 (2013.01); B32B 3/263 (2013.01); B32B 5/142 (2013.01); B32B 7/02 (2013.01); B32B 27/06 (2013.01); B32B 27/08 (2013.01); B32B 27/302 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); C08J 5/18 (2013.01); C09J 7/22 (2018.01); B29C 48/08 (2019.02); B29C 55/12 (2013.01); B29C 55/143 (2013.01); B29K 2023/12 (2013.01); B32B 2270/00 (2013.01); B32B 2307/516 (2013.01); B32B 2307/518 (2013.01); B32B 2307/54 (2013.01); B32B 2307/582 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/73 (2013.01); B32B 2307/736 (2013.01); B32B 2405/00 (2013.01); C08J 2323/12 (2013.01);
Abstract

A principal film comprising a first polymeric component wherein the principal film has: (1) first and second major faces; (2) a land portion wherein the principal film is capable of thermally-induced self-forming; and (3) one or more modification zones, each comprising a central portion and a rim portion surrounding the central portion and being surrounded by land portion, wherein the average thickness of each rim portion is greater than the average thickness of the land portion surrounding the modification zone, the average thickness of each central portion is less than the average thickness of the land portion surrounding the modification zone and is greater than zero. Also methods for making such films and articles comprising such films.

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