Wet Laid Nonwoven Fabric Sheet

Abstract: The present invention relates to a wet-laid nonwoven fabric sheet configured to contain at least three types of thermoplastic fibers having different fiber diameters, wherein the fiber diameter ratio (R/r) of the fiber diameter R of the fiber having the largest fiber diameter to the fiber diameter r of the fiber having the smallest fiber diameter is 30 = R/r = 150, the average pore size is 0.10-15 µm, and the maximum frequency in the pore size distribution is 70% or more.

Patent Information

Application #

Filing Date

20 July 2023

Publication Number

42/2024

Publication Type

INA

Invention Field

TEXTILE

Status

Email

Parent Application

Applicants

TORAY INDUSTRIES, INC.

1-1, Nihonbashi-Muromachi 2-chome, Chuo-ku, Tokyo 1038666

Inventors

1. HAMADA Kosuke

c/o Mishima Plant, Toray Industries, Inc., 4845, Mishima-shi, Shizuoka 4118652

2. SUZUKI Norio

c/o Mishima Plant, Toray Industries, Inc., 4845, Mishima-shi, Shizuoka 4118652

3. MASUDA Masato

c/o Mishima Plant, Toray Industries, Inc., 4845, Mishima-shi, Shizuoka 4118652

Specification

Documents

Application Documents

#	Name	Date
1	202347048796-STATEMENT OF UNDERTAKING (FORM 3) [20-07-2023(online)].pdf	2023-07-20
2	202347048796-PROOF OF RIGHT [20-07-2023(online)].pdf	2023-07-20
3	202347048796-PRIORITY DOCUMENTS [20-07-2023(online)].pdf	2023-07-20
4	202347048796-FORM 1 [20-07-2023(online)].pdf	2023-07-20
5	202347048796-DRAWINGS [20-07-2023(online)].pdf	2023-07-20
6	202347048796-DECLARATION OF INVENTORSHIP (FORM 5) [20-07-2023(online)].pdf	2023-07-20
7	202347048796-COMPLETE SPECIFICATION [20-07-2023(online)].pdf	2023-07-20
8	202347048796-FORM-26 [04-09-2023(online)].pdf	2023-09-04
9	202347048796-FORM 3 [21-12-2023(online)].pdf	2023-12-21