Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SHEET FOR FACE MASKS
Document Type and Number:
WIPO Patent Application WO/2022/163187
Kind Code:
A1
Abstract:
A sheet for face masks having a WC value which expresses the work until maximum pressure in the thickness direction of 0.3Pa·m or higher, and also having a collection efficiency of particles which have a particle diameter greater than 1μm of 85% or higher.

Inventors:
MOTEGI TOMOYUKI (JP)
SHIIBA RYOTA (JP)
ISHIKAWA MASATAKA (JP)
ABE YUTA (JP)
Application Number:
PCT/JP2021/046344
Publication Date:
August 04, 2022
Filing Date:
December 15, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KAO CORP (JP)
International Classes:
A62B18/02; A41D13/11; D04H1/728; D04H3/16
Domestic Patent References:
WO2016199883A12016-12-15
WO2021010178A12021-01-21
WO2016199883A12016-12-15
Foreign References:
JPH09192248A1997-07-29
JPH04180808A1992-06-29
JP2007515248A2007-06-14
JP2018172804A2018-11-08
JP2020133041A2020-08-31
JP2002105826A2002-04-10
JPH06192951A1994-07-12
JPH0634719U1994-05-10
JP2019037963A2019-03-14
JP2013094717A2013-05-20
JP2018016904A2018-02-01
JP2018500467A2018-01-11
JPH09192247A1997-07-29
JP2008179128A2008-08-07
JP2007177384A2007-07-12
JP2013014876A2013-01-24
JP2021012296A2021-02-04
Attorney, Agent or Firm:
IIDA & PARTNERS et al. (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: ELECTRODE AND ELECTRODE MANUFACTURING METHOD

Next Patent: IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND SURGICAL MICROSCOPE SYSTEM