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. 21, 2020
Filed:
Aug. 29, 2013
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06N 3/00 (2006.01); C08G 63/16 (2006.01); D04H 1/4382 (2012.01); D04H 1/435 (2012.01); D04H 1/46 (2012.01); D01F 6/84 (2006.01); D01F 8/14 (2006.01);
U.S. Cl.
CPC ...
D06N 3/0004 (2013.01); C08G 63/16 (2013.01); D01F 6/84 (2013.01); D01F 8/14 (2013.01); D04H 1/435 (2013.01); D04H 1/4382 (2013.01); D04H 1/46 (2013.01); D06N 3/0011 (2013.01); D06N 3/0036 (2013.01); D06N 2201/0209 (2013.01); D06N 2209/0861 (2013.01); D06N 2209/10 (2013.01); D06N 2209/105 (2013.01); D06N 2209/1635 (2013.01); D06N 2211/28 (2013.01); D10B 2331/04 (2013.01); Y10T 428/268 (2015.01);
Abstract
A base body for an artificial leather includes an intertwined fiber body mainly including an ultrafine fiber having a 0.01 to 10 μm fiber diameter and an elastic polymer, the ultrafine fiber including, as a constituent polymer, a polyester obtained from a dicarboxylic acid and/or an ester-forming derivative thereof, and a diol, the polyester containing 15 to 500 ppm of a 1,2-propanediol-derived component.