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. 12, 2017
Filed:
Jan. 20, 2015
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Masato Masuda, Mishima, JP;
Akira Kishiro, Mishima, JP;
Joji Funakoshi, Otsu, JP;
Yoshitsugu Funatsu, Mishima, JP;
Seiji Mizukami, Otsu, JP;
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 8/04 (2006.01); D01D 4/06 (2006.01); D01D 5/30 (2006.01); D01D 5/36 (2006.01); D01D 5/253 (2006.01); D01D 5/06 (2006.01);
U.S. Cl.
CPC ...
D01F 8/04 (2013.01); D01D 4/06 (2013.01); D01D 5/06 (2013.01); D01D 5/253 (2013.01); D01D 5/30 (2013.01); D01D 5/36 (2013.01); D10B 2331/02 (2013.01); D10B 2331/04 (2013.01); Y10T 428/249921 (2015.04); Y10T 428/2931 (2015.01); Y10T 428/2976 (2015.01); Y10T 442/614 (2015.04); Y10T 442/622 (2015.04); Y10T 442/626 (2015.04); Y10T 442/64 (2015.04);
Abstract
A sea-island composite fiber includes island component fibers having a circumscribed circle diameter of 10 to 1000 nm, a circumscribed circle diameter variation of 1 to 20%, a non-circularity of 1.2 to 5.0, and a non-circularity variation of 1 to 10%.