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:
Feb. 14, 2017
Filed:
May. 24, 2012
Applicants:
Shingo Itoh, Shiga, JP;
Toshihiro Tanaka, Shiga, JP;
Hong Liu, Waynesboro, VA (US);
Inventors:
Assignee:
Toray Opelontex Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/70 (2006.01); D03D 15/08 (2006.01); D04B 1/18 (2006.01);
U.S. Cl.
CPC ...
D01F 6/70 (2013.01); D03D 15/08 (2013.01); D04B 1/18 (2013.01); Y10T 428/249921 (2015.04);
Abstract
To provide elastic fabric that has comfortable wear and fit even in thin and light fabric by using a high-powered polyurethane elastic fiber that has at least 1.5 times the active force and recovery per unit fineness at the time of 100 to 200% elongation compared to conventional polyurethane elastic fiber. Resolution means an elastic fabric comprising a polyurethane elastic fiber made of a polyol, with a molecular weight between 450 and 1600 with a ratio of weight average molecular weight to number average molecular weight of at least 1.8, an organic diisocyanate compound, and a diamine compound.