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:
Aug. 29, 2006
Filed:
Jul. 28, 2003
Takashi Ochi, Mishima, JP;
Akira Kishiro, Mishima, JP;
Shuichi Nonaka, Otsu, JP;
Takaaki Mihara, Mishima, JP;
Norio Suzuki, Shizuoka, JP;
Takashi Ochi, Mishima, JP;
Akira Kishiro, Mishima, JP;
Shuichi Nonaka, Otsu, JP;
Takaaki Mihara, Mishima, JP;
Norio Suzuki, Shizuoka, JP;
TORAY Industries, Inc., Tokyo, JP;
Abstract
The present invention provides a nanoporous fiber being substantially free from coarse pores and having homogeneously dispersed nanopores, unlike conventional porous fibers. A porous fiber has pores each having a diameter of 100 nm or less, in which the area ratio of pores each having a diameter of 200 nm or more to the total cross section of the fiber is 1.5% or less, and the pores are unconnected pores, or a porous fiber has pores each having a diameter of 100 nm or less, in which the area ratio of pores each having a diameter of 200 nm or more to the total cross section of the fiber is 1.5% or less, the pores are connected pores, and the fiber has a strength of 1.0 cN/dtex or more.