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:
Jun. 27, 2023
Filed:
Jul. 20, 2018
Applicant:
Kuraray Co., Ltd., Kurashiki, JP;
Inventors:
Hiroki Tonosaki, Osaka, JP;
Takashi Katayama, Chiyoda-ku, JP;
Junya Ide, Kurashiki, JP;
Keiichi Ikehata, Kurashiki, JP;
Assignee:
KURARAY CO., LTD., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/62 (2006.01); B08B 3/12 (2006.01); D06M 11/13 (2006.01);
U.S. Cl.
CPC ...
D01F 6/62 (2013.01); B08B 3/12 (2013.01); D06M 11/13 (2013.01);
Abstract
A liquid-crystal polyether fiber with high tensile strength has an ash content of 0.3 percent by weight or less, a degree of fusion (f) of 3 or less, and a tensile strength of 18 cN/dtex or more. The liquid-crystal polyether fiber has few residues of an anti-fusion agent and causes no fusion between filaments.