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Spunbond Nonwoven Fabric And Production Method Therefor, Laminated Nonwoven Fabric, And Hygenic Material And Clothing Using Spunbond Nonwoven Fabric And Laminated Nonwoven Fabric
Abstract: In order to provide a spunbond nonwoven fabric that has flexibility and excellent mechanical properties and that allows easy high-level processing such as pleating and bonding with other members, this spunbond nonwoven fabric is formed from fibers constituted of a polypropylene resin and satisfies conditions (1) to (3) below, the average single fiber diameter being 5.0 µm to 20.0 µm. Conditions: (1) the amount of organic peroxide is 100 ppm to 1000 pm; (2) the melt flow rate is 20 g/10 min to 400 g/10 min; and (3) the branching degree ? per one molecule of the polypropylene resin is 1.0×10-7 to 1.0×10-3.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
16 April 2025
Publication Number
19/2025
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. HARA Shohei
c/o Mishima Plant, Toray Industries, Inc., 4845, Mishima-shi, Shizuoka
4118652
2. TSUCHIYA Shohei
c/o Okazaki Plant, Toray Industries, Inc., 1, Aza-deguchi, Yahagi-cho, Okazaki-shi, Aichi
4448522
3. KATSUTA Hiroo
c/o Mishima Plant, Toray Industries, Inc., 4845, Mishima-shi, Shizuoka
4118652
4. KAJIWARA Kentaro
c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga
5208558
5. MAEKAWA Shigetoshi
c/o Mishima Plant, Toray Industries, Inc., 4845, Mishima-shi, Shizuoka
4118652
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202547036798-STATEMENT OF UNDERTAKING (FORM 3) [16-04-2025(online)].pdf | 2025-04-16 |
| 2 | 202547036798-REQUEST FOR EXAMINATION (FORM-18) [16-04-2025(online)].pdf | 2025-04-16 |
| 3 | 202547036798-PROOF OF RIGHT [16-04-2025(online)].pdf | 2025-04-16 |
| 4 | 202547036798-PRIORITY DOCUMENTS [16-04-2025(online)].pdf | 2025-04-16 |
| 5 | 202547036798-FORM 18 [16-04-2025(online)].pdf | 2025-04-16 |
| 6 | 202547036798-FORM 1 [16-04-2025(online)].pdf | 2025-04-16 |
| 7 | 202547036798-DECLARATION OF INVENTORSHIP (FORM 5) [16-04-2025(online)].pdf | 2025-04-16 |
| 8 | 202547036798-COMPLETE SPECIFICATION [16-04-2025(online)].pdf | 2025-04-16 |
| 9 | 202547036798-FORM-26 [17-04-2025(online)].pdf | 2025-04-17 |
| 10 | 202547036798-FORM 3 [19-08-2025(online)].pdf | 2025-08-19 |