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. 18, 2024
Filed:
Sep. 15, 2017
3m Innovative Properties Company, St. Paul, MN (US);
Jinzhang You, Shanghai, CN;
Jonathan H. Alexander, Roseville, MN (US);
Michael R. Berrigan, Oakdale, MN (US);
Akira Ito, Tokyo, JP;
Xiaojun Su, Shanghai, CN;
Qinrong Wu, Shanghai, CN;
Liyun Ren, Woodbury, MN (US);
Thomas P. Hanschen, Mendota Heights, MN (US);
Daniel J. Zillig, Woodbury, MN (US);
Sachin Talwar, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The provided articles, assemblies, and methods use a non-woven fibrous web () having one or more layers () that are densified in situ to provide a layer that is densified relative to one or more adjacent layers, collectively within a unitary non-woven construction. The non-woven web () can be made from fibers having a composition and/or structure that resist shrinkage induced by polymer crystallization when subjected to high temperatures. Advantageously, the provided non-woven webs () can be molded to form a three-dimensional shaped article that displays dimensional stability.