Invention Grant
- Patent Title: Flexible polyurethane foam, automobile seat pad, and flexible polyurethane foam production method
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Application No.: US17258059Application Date: 2019-07-05
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Publication No.: US12084574B2Publication Date: 2024-09-10
- Inventor: Koji Sanefuji , Hideharu Seguchi , Toshiki Takizawa , Naoko Nisikita
- Applicant: BRIDGESTONE CORPORATION , SPIBER INC.
- Applicant Address: JP Tokyo
- Assignee: BRIDGESTONE CORPORATION,Spiber Inc.
- Current Assignee: BRIDGESTONE CORPORATION,Spiber Inc.
- Current Assignee Address: JP Tokyo; JP Yamagata
- Agency: Sughrue Mion, PLLC
- Priority: JP 18129437 2018.07.06 JP 19020096 2019.02.06
- International Application: PCT/JP2019/026899 2019.07.05
- International Announcement: WO2020/009240A 2020.01.09
- Date entered country: 2021-01-05
- Main IPC: C08L75/04
- IPC: C08L75/04 ; C08G18/00 ; C08G18/08 ; C08G18/76 ; C08K7/02 ; C08K11/00 ; C08G101/00

Abstract:
Provided is a flexible polyurethane foam having high hardness required for weight reduction of members and having low stress relaxation. A flexible polyurethane foam comprises a structural protein fiber having a length of 0.1 mm to 5 mm.
Public/Granted literature
- US20210230424A1 FLEXIBLE POLYURETHANE FOAM, AUTOMOBILE SEAT PAD, AND FLEXIBLE POLYURETHANE FOAM PRODUCTION METHOD Public/Granted day:2021-07-29
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