logo

For the Inventor, By the Inventor

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 10920349 B1

PDFFull Text
Date of Patent:
Feb. 16, 2021

Filed:

Mar. 09, 2016

Multilayer nonwoven fabric, stretchable multilayer nonwoven fabric, fiber product, absorbent article, and sanitary mask

Applicant:

Mitsui Chemicals, Inc., Tokyo, JP;

Inventors:

Koichi Shimada, Chiba, JP;

Kenichi Suzuki, Ichihara, JP;

Shouichi Takaku, Ichihara, JP;

Assignee:

MITSUI CHEMICALS, INC., Tokyo, JP;

Attorney:

Buchanan, Ingersoll & Rooney PC

Primary Examiner:

Peter Y Choi

Int. Cl.
CPC ...
D04H 3/16 (2006.01); B32B 5/26 (2006.01); D04H 3/007 (2012.01); A41D 13/11 (2006.01); A61F 13/15 (2006.01); A62B 18/02 (2006.01); B32B 5/02 (2006.01); B32B 5/04 (2006.01); D01F 6/06 (2006.01); D04H 1/4291 (2012.01); D04H 3/153 (2012.01);
U.S. Cl.
CPC ...
D04H 3/16 (2013.01); A41D 13/11 (2013.01); A61F 13/15 (2013.01); A62B 18/02 (2013.01); B32B 5/022 (2013.01); B32B 5/04 (2013.01); B32B 5/26 (2013.01); D01F 6/06 (2013.01); D04H 1/4291 (2013.01); D04H 3/007 (2013.01); D04H 3/153 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/12 (2013.01); B32B 2262/14 (2013.01); B32B 2555/02 (2013.01);
Abstract

A multilayer nonwoven fabric includes: an elastic nonwoven fabric containing a specific low crystalline polypropylene; and a mixed fiber spunbonded nonwoven fabric disposed on at least one surface of the elastic nonwoven fabric, wherein the mixed fiber spunbonded nonwoven fabric contains a long fiber of a thermoplastic elastomer (A) and a long fiber of a thermoplastic elastomer (B) other than the thermoplastic elastomer (A), in a ratio of 10 to 90% by mass:90 to 10% by mass ((A):(B), with the proviso that (A)+(B)=100% by mass).

Find Patent Forward Citations

Shimada, Koichi. (2021). Multilayer nonwoven fabric, stretchable multilayer nonwoven fabric, fiber product, absorbent article, and sanitary mask (U.S. Patent No. 10920349). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10920349

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…