Title:
NONWOVEN FABRICS AND MASK
Document Type and Number:
WIPO Patent Application WO/2023/286853
Kind Code:
A1
Abstract:
Provided are: nonwoven fabrics which are soft to the touch and have high air permeability; and a mask obtained using either of the nonwoven fabrics. One of the nonwoven fabrics is characterized by comprising polypropylene fibers, polyethylene fibers, and polyester fibers. Another nonwoven fabric is characterized by comprising: core/sheath type composite fibers each comprising polypropylene as the core and polyethylene as the sheath; and polyester fibers.
Inventors:
NOMURA SAYO (JP)
KIMURA MAMI (JP)
YAMAGAITO TAKAFUMI (JP)
SANO AKITO (JP)
MATSUZAKI NOBUO (JP)
KIMURA MAMI (JP)
YAMAGAITO TAKAFUMI (JP)
SANO AKITO (JP)
MATSUZAKI NOBUO (JP)
Application Number:
PCT/JP2022/027797
Publication Date:
January 19, 2023
Filing Date:
July 15, 2022
Export Citation:
Assignee:
KOWA CO (JP)
International Classes:
D21H13/14; A41D13/11; D04H1/4291; D04H1/4382; D21H13/24
Foreign References:
| JPH10168722A | 1998-06-23 | |||
| JPS5199176A | 1976-09-01 | |||
| JPS6141357A | 1986-02-27 | |||
| JP2005325455A | 2005-11-24 | |||
| JP2013121557A | 2013-06-20 | |||
| JPS62263321A | 1987-11-16 | |||
| US20180356164A1 | 2018-12-13 |
Attorney, Agent or Firm:
THE PATENT CORPORATE BODY ARUGA PATENT OFFICE (JP)
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