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. 11, 2003
Filed:
Jun. 12, 2002
Applicant:
Inventors:
Jinichiro Kato, Nobeoka, JP;
Tetsuko Takahashi, Nobeoka, JP;
Shinichi Okajima, Nobeoka, JP;
Katsuhiro Fujimoto, Nobeoka, JP;
Kenji Imura, Nobeoka, JP;
Assignee:
Asahi Kasei Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
D02G 3/00 ; C08F 2/000 ;
U.S. Cl.
CPC ...
D02G 3/00 ; C08F 2/000 ;
Abstract
The present invention provides poly(trimethylene terephthalate) copolymerized with ester-forming sulfonate and a fiber thereof. The polymer of the present invention is high in melting point, small in loss of melting viscosity and has a high molecular weight. The fiber of the present invention is high in toughness, excellent in whiteness and dyeable with a cationic dye, whereby it is useful for clothing, carpets or non-woven sheets, etc.