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:
Apr. 20, 2021
Filed:
Mar. 17, 2016
Applicant:
Kuraray Co., Ltd., Kurashiki, JP;
Inventors:
Yasunori Murate, Okayama, JP;
Hitoshi Nakatsuka, Kurashiki, JP;
Assignee:
KURARAY CO., LTD., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
D06N 3/12 (2006.01); D06N 3/14 (2006.01); D06N 3/00 (2006.01); D06P 3/00 (2006.01); D06P 3/52 (2006.01);
U.S. Cl.
CPC ...
D06N 3/123 (2013.01); D06N 3/0004 (2013.01); D06N 3/0011 (2013.01); D06N 3/0036 (2013.01); D06N 3/0065 (2013.01); D06N 3/0075 (2013.01); D06N 3/14 (2013.01); D06P 3/002 (2013.01); D06P 3/522 (2013.01); D06N 2209/0807 (2013.01);
Abstract
Disclosed is a napped artificial leather dyed with a cationic dye, including: a non-woven fabric of a cationic dyeable polyester fiber having a fineness of 0.07 to 0.9 dtex; and an elastic polymer provided inside the non-woven fabric, wherein the napped artificial leather has L* value≤50, a grade of color difference determined in an evaluation of color migration to PVC under a load 0.75 kg/cm at 50° C. for 16 hours, of 4 or more, a tear strength per mm of thickness of 30 N or more, and a peel strength of 3 kg/cm or more.