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. 16, 2004
Filed:
Feb. 03, 2004
Applicant:
Inventors:
Takeshi Kikutani, Tokyo, JP;
Hidetoshi Okawa, Fuji, JP;
Assignee:
Polyplastics Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/00 ; D01F 3/10 ; C08G 2/30 ; D01D 5/12 ;
U.S. Cl.
CPC ...
D01F 6/00 ; D01F 3/10 ; C08G 2/30 ; D01D 5/12 ;
Abstract
Polyoxymethylene fiber having a high strength and a high modulus of elasticity is provided. Polyoxymethylene fiber comprising polyoxymethylene copolymer having a half-crystallization time of at least 30 sec, when the polyoxymethylene copolymer is cooled from a melted state at 200° C. to 150° C. at a cooling speed of 80° C./min and maintained constantly at the temperature of 150° C.