Invention Grant
- Patent Title: Napped artificial leather
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Application No.: US16610535Application Date: 2018-06-06
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Publication No.: US11761149B2Publication Date: 2023-09-19
- Inventor: Masashi Meguro
- Applicant: KURARAY CO., LTD.
- Applicant Address: JP Kurashiki
- Assignee: KURARAY CO., LTD.
- Current Assignee: KURARAY CO., LTD.
- Current Assignee Address: JP Kurashiki
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP 17117179 2017.06.14
- International Application: PCT/JP2018/021748 2018.06.06
- International Announcement: WO2018/230417A 2018.12.20
- Date entered country: 2019-11-04
- Main IPC: D06N3/00
- IPC: D06N3/00 ; D06N3/14

Abstract:
A napped artificial leather including a non-woven fabric including ultrafine fibers and a polyurethane, the napped artificial leather including a napped surface formed by napping the ultrafine fibers on a surface thereof, wherein the napped surface has, after a Martindale abrasion test in accordance with JIS L 1096 (6.17.5E method, Martindale method) under a pressing load of 12 kPa and 50000 times of abrasions, a ratio of the polyurethane observed by a surface observation using an electron microscope in a portion that has been subjected to the Martindale abrasion test, of 4.0% or less.
Public/Granted literature
- US20200071879A1 NAPPED ARTIFICIAL LEATHER Public/Granted day:2020-03-05
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