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:
Apr. 14, 2020
Filed:
Jun. 26, 2014
Applicants:
3m Innovative Properties Company, St. Paul, MN (US);
Rui Chen, Shanghai, CN;
Inventors:
Rui Chen, Shanghai, CN;
Xiaoshuan Fu, Shanghai, CN;
Jin Zhang You, Shanghai, CN;
Chiaki Hanamaki, Kanagawa, JP;
Sachin Talwar, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 5/06 (2006.01); D01F 6/92 (2006.01); D04H 1/56 (2006.01); D04H 1/435 (2012.01); D01D 5/098 (2006.01);
U.S. Cl.
CPC ...
D04H 5/06 (2013.01); D01D 5/0985 (2013.01); D01F 6/92 (2013.01); D04H 1/435 (2013.01); D04H 1/56 (2013.01);
Abstract
A thermally stable nonwoven web including blended-polymer meltblown fibers containing a blend of poly (butylene terephthalate) and poly (ethylene terephthalate).