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. 08, 2018
Filed:
Nov. 25, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
David F. Slama, City of Grant, MN (US);
Garth V. Antila, Hudson, WI (US);
Brent R. Hansen, New Richmond, WI (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26F 1/26 (2006.01); B29C 47/88 (2006.01); B29C 47/06 (2006.01); B26F 3/06 (2006.01); B29C 47/00 (2006.01); B29C 47/32 (2006.01); B26F 1/38 (2006.01); B26F 1/20 (2006.01); B26F 1/22 (2006.01); B26F 3/10 (2006.01); B32B 37/15 (2006.01); B32B 38/00 (2006.01); B32B 38/06 (2006.01); B32B 38/04 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B26F 1/26 (2013.01); B26F 1/20 (2013.01); B26F 1/22 (2013.01); B26F 1/384 (2013.01); B26F 3/06 (2013.01); B26F 3/10 (2013.01); B29C 47/003 (2013.01); B29C 47/004 (2013.01); B29C 47/0021 (2013.01); B29C 47/065 (2013.01); B29C 47/32 (2013.01); B29C 47/8805 (2013.01); B29C 47/886 (2013.01); B29C 47/8845 (2013.01); B29L 2007/008 (2013.01); B29L 2009/00 (2013.01); B32B 37/153 (2013.01); B32B 38/0036 (2013.01); B32B 38/06 (2013.01); B32B 2038/047 (2013.01);
Abstract
Method of making a polymeric multilayer films () having an array of openings by coextrusion. Embodiments of polymeric multilayer films made as described herein are useful, for example, filtration and acoustic absorption.