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:
Nov. 09, 2004
Filed:
Apr. 04, 2003
Applicant:
Inventor:
Yasunori Yuuki, Kawanishi, JP;
Assignee:
Asahi Kasei Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/00 ;
U.S. Cl.
CPC ...
D01F 6/00 ;
Abstract
A spun yarn comprising poly(trimethylene terephthalate) staple fibers at a content of at least 15% by weight, the spun yarn having an elastic recovery percentage of elongation at 5% elongation (%) ≧0.1 X+70 (wherein X represents the content of poly(trimethylene terephthalate) staple fibers in the spun yarn (wt %)). The spun yarn is excellent in knitting and weaving characteristics, stretchability and stretch-back property and in shape stability and durability when worn for a prolonged period of time.