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:
Jun. 24, 2014
Filed:
Mar. 08, 2011
Ronald W. Ausen, St. Paul, MN (US);
William J. Kopecky, Hudson, WI (US);
Stephanie B. Castiglione, Hudson, WI (US);
Ying-yuh LU, Woodbury, MN (US);
Ronald W. Ausen, St. Paul, MN (US);
William J. Kopecky, Hudson, WI (US);
Stephanie B. Castiglione, Hudson, WI (US);
Ying-Yuh Lu, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Composite layer comprising a plurality of longitudinal first zones comprised of a first polymeric material alternating with a plurality of longitudinal second zones comprised of a second polymeric material such that one first zone is disposed between two adjacent second zones. The zones are generally parallel to one another, and at least one of each first zone or each second zone has a maximum width dimension of not greater than 2 mm. Adjacent first and second zones have an average pitch, wherein for the composite layer there is an average of said average pitches, and wherein the average pitch for any adjacent first and second zones is within 20 percent of the average pitch for adjacent first and second zones of said average of said average pitches.