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:
Jul. 19, 2016
Filed:
Aug. 27, 2012
Applicants:
Junichi Mizota, Nagoya, JP;
Takashi Ida, Nagoya, JP;
Hidetoshi Takanaga, Nagoya, JP;
Inventors:
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01D 5/10 (2006.01); D01D 5/34 (2006.01); D01F 8/12 (2006.01); D01F 8/14 (2006.01); D03D 15/00 (2006.01); D04B 1/16 (2006.01); D01D 5/253 (2006.01); D01F 6/60 (2006.01); C08G 63/688 (2006.01);
U.S. Cl.
CPC ...
D01F 8/14 (2013.01); C08G 63/6886 (2013.01); D01D 5/10 (2013.01); D01D 5/253 (2013.01); D01D 5/34 (2013.01); D01F 6/60 (2013.01); D01F 8/12 (2013.01); D03D 15/0027 (2013.01); D04B 1/16 (2013.01); Y10T 428/2929 (2015.01); Y10T 442/30 (2015.04); Y10T 442/3154 (2015.04); Y10T 442/40 (2015.04); Y10T 442/444 (2015.04);
Abstract
A core-sheath composite fiber includes a core component including an easily alkaline elutable polyester with a main repeating unit constructed of ethylene terephthalate containing 2.0 to 5.5 mol % of an isophthalic acid component containing a metal sulfonate group relative to a total acid component and 3.0 to 6.0 mol % of an adipic acid component relative to the total acid component, and a sheath component including a polyamide.