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. 07, 2017
Filed:
Sep. 16, 2011
Ryokei Endo, Tokyo, JP;
Yosuke Washitake, Kurashiki, JP;
Yukie Hashimoto, Tokyo, JP;
Akihiro Uehata, Kurashiki, JP;
Ryokei Endo, Tokyo, JP;
Yosuke Washitake, Kurashiki, JP;
Yukie Hashimoto, Tokyo, JP;
Akihiro Uehata, Kurashiki, JP;
KURARAY CO., LTD., Kurashiki-shi, JP;
Abstract
Provided are an amorphous polyetherimide fiber having not only a small single fiber fineness suitable for producing fabrics, and a fabric comprising the amorphous polyetherimide fiber. The fiber comprises an amorphous polyetherimide polymer having a molecular weight distribution (Mw/Mn) of less than 2.5, and having a shrinkage percentage under dry heat at 200° C. of 5% or less, and a single fiber fineness of 3.0 dtex or less. The fiber may have a tenacity at room temperature of 2.0 cN/dtex or greater.