Invention Grant
- Patent Title: Urethane prepolymer, adhesive, multilayer body and synthetic leather
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Application No.: US17639451Application Date: 2020-08-24
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Publication No.: US12168741B2Publication Date: 2024-12-17
- Inventor: Ryo Kawamura , Toshiki Yamada , Kazuya Sasaki
- Applicant: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
- Applicant Address: JP Chuo-ku
- Assignee: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
- Current Assignee: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
- Current Assignee Address: JP Chuo-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2019-162001 20190905
- International Application: PCT/JP2020/031832 WO 20200824
- International Announcement: WO2021/044887 WO 20210311
- Main IPC: C09J175/06
- IPC: C09J175/06 ; C08G18/10 ; C08G18/32 ; C08G18/42 ; C09J7/32 ; D06N3/14
Abstract:
The present invention relates to a urethane prepolymer having an isocyanate group, a viscosity at 100° C. of 30 to 600 dPa·s, and a thermal softening temperature after moisture curing of 75 to 155° C.
Public/Granted literature
- US20220325153A1 URETHANE PREPOLYMER, ADHESIVE, MULTILAYER BODY AND SYNTHETIC LEATHER Public/Granted day:2022-10-13
Information query
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