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Electret Melt Blown Nonwoven Fabric And Air Filter Filtering Medium Obtained Using Same
Abstract: This electret melt-blown nonwoven fabric is formed from polyolefin-based resin fibers in order to realize a flexible high-elongation electret melt-blown nonwoven fabric without using a particular additive or performing a special postprocessing treatment, wherein the crystallization temperature at the first temperature increase in a cycle DSC is 80°C to 130°C, and the heat amount ?Hm thereof is 3.0 J/g to 20.0 J/g.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
16 September 2024
Publication Number
07/2025
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. TANAKA Yoshiki
c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga
5208558
2. HAYASHI Shingo
c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga
5208558
3. MIZOGAMI Shinobu
c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga
5208558
4. YOSHITOMI Tomohiro
c/o Gifu Plant, Toray Industries, Inc., 900-1, Oaza-Yasutsugu, Godo-cho, Anpachi-gun, Gifu
5032395
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202447069802-STATEMENT OF UNDERTAKING (FORM 3) [16-09-2024(online)].pdf | 2024-09-16 |
| 2 | 202447069802-REQUEST FOR EXAMINATION (FORM-18) [16-09-2024(online)].pdf | 2024-09-16 |
| 3 | 202447069802-PROOF OF RIGHT [16-09-2024(online)].pdf | 2024-09-16 |
| 4 | 202447069802-PRIORITY DOCUMENTS [16-09-2024(online)].pdf | 2024-09-16 |
| 5 | 202447069802-FORM 18 [16-09-2024(online)].pdf | 2024-09-16 |
| 6 | 202447069802-FORM 1 [16-09-2024(online)].pdf | 2024-09-16 |
| 7 | 202447069802-DECLARATION OF INVENTORSHIP (FORM 5) [16-09-2024(online)].pdf | 2024-09-16 |
| 8 | 202447069802-COMPLETE SPECIFICATION [16-09-2024(online)].pdf | 2024-09-16 |
| 9 | 202447069802-FORM-26 [18-09-2024(online)].pdf | 2024-09-18 |
| 10 | 202447069802-FORM 3 [08-10-2024(online)].pdf | 2024-10-08 |
| 11 | 202447069802-FORM 3 [16-10-2024(online)].pdf | 2024-10-16 |