Invention Grant
- Patent Title: Fiber for artificial hair and head accessory product
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Application No.: US17312985Application Date: 2019-11-20
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Publication No.: US11873583B2Publication Date: 2024-01-16
- Inventor: Atsushi Horihata , Atsushi Takei
- Applicant: DENKA COMPANY LIMITED
- Applicant Address: JP Tokyo
- Assignee: DENKA COMPANY LIMITED
- Current Assignee: DENKA COMPANY LIMITED
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP 18234894 2018.12.14
- International Application: PCT/JP2019/045394 2019.11.20
- International Announcement: WO2020/121759A 2020.06.18
- Date entered country: 2021-06-11
- Main IPC: D01F6/60
- IPC: D01F6/60
Abstract:
A fiber for artificial hair constituted of a resin composition containing an aliphatic polyamide. A weight average molecular weight Mw of a dissolved component obtained when the fiber for artificial hair is dissolved in hexafluoroisopropanol is 46,000 or more and less than 65,000.
Public/Granted literature
- US20220074079A1 FIBER FOR ARTIFICIAL HAIR AND HEAD ACCESSORY PRODUCT Public/Granted day:2022-03-10
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