The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2023
Filed:
Jun. 06, 2018
Applicant:
Kuraray Co., Ltd., Kurashiki, JP;
Inventor:
Masashi Meguro, Okayama, JP;
Assignee:
KURARAY CO., LTD., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
D06N 3/00 (2006.01); D06N 3/14 (2006.01);
U.S. Cl.
CPC ...
D06N 3/0075 (2013.01); D06N 3/0004 (2013.01); D06N 3/004 (2013.01); D06N 3/0011 (2013.01); D06N 3/14 (2013.01); D06N 3/145 (2013.01); D06N 2209/0823 (2013.01); D06N 2209/105 (2013.01); D06N 2211/28 (2013.01);
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.