Title:
MELT-BLOW NON-WOVEN FABRIC AND FILTER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/250057
Kind Code:
A1
Abstract:
This melt-blow non-woven fabric comprises multiple thermoplastic resin fibers with different fiber diameters, wherein the standard deviation of the fiber diameters is 1.2 or more, and the ratio of the formation index to the average fiber diameter is less than 33.
Inventors:
ITO SHIGEO (JP)
TAJIMA SHUNYA (JP)
FUKUHARA KAZUMI (JP)
TAMURA TOMOHIKO (JP)
TAJIMA SHUNYA (JP)
FUKUHARA KAZUMI (JP)
TAMURA TOMOHIKO (JP)
Application Number:
PCT/JP2022/021274
Publication Date:
December 01, 2022
Filing Date:
May 24, 2022
Export Citation:
Assignee:
TAPYRUS CO LTD (JP)
International Classes:
D04H3/16; B01D39/16
Domestic Patent References:
| WO2020202899A1 | 2020-10-08 | |||
| WO2014168066A1 | 2014-10-16 | |||
| WO2018151058A1 | 2018-08-23 | |||
| WO2019059360A1 | 2019-03-28 |
Foreign References:
| JPH11131353A | 1999-05-18 | |||
| JP2013177703A | 2013-09-09 | |||
| JP2017051953A | 2017-03-16 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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