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. 23, 2010
Filed:
Nov. 01, 2006
Masayuki Chokai, Iwakuni, JP;
Anton Peter DE Weijer, Iwakuni, JP;
Hiroaki Kuwahara, Iwakuni, JP;
Dennis Wilbers, Iwakuni, JP;
Masayuki Chokai, Iwakuni, JP;
Anton Peter De Weijer, Iwakuni, JP;
Hiroaki Kuwahara, Iwakuni, JP;
Dennis Wilbers, Iwakuni, JP;
Teijin Limited, Osaka, JP;
Teijin Techno Products Limited, Osaka, JP;
Abstract
This invention is to provide a dope that has excellent formability and can be formed into a fiber, a film, pulp-shaped particles and the like by a wet method. This invention is also to provide a process for the production of a fiber excellent in heat resistance, strength and elastic modulus. This invention provides a dope and a process for the production of a fiber from the dope, the dope including a polyamide and a basic solvent, the polyamide containing a recurring unit of the following formula (I), wherein Arrepresents at least one substituent selected from the group consisting of and having an inherent viscosity of 1.0 or more, the dope has a polyamide concentration of over 10% by weight but not more than 25% by weight and exhibits optical anisotropy at 50° C.