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. 29, 2016
Filed:
May. 17, 2005
Masuo Iwata, Moriyama, JP;
Takayuki Nishitani, Moriyama, JP;
Masuo Iwata, Moriyama, JP;
Takayuki Nishitani, Moriyama, JP;
JNC FIBERS CORPORATION, Tokyo, JP;
Abstract
An electro-chargeable fiber includes a thermoplastic resin fiber having a nonionic fiber finish containing at least one major component selected from the group consisting of (a) at least one sorbitan fatty acid ester having formula (I) or formula (II) and (b) polyoxyalkylene alkyl ether having formula (III), wherein the nonionic fiber finish is present in an amount of 0.01-1.5% by weight of the thermoplastic resin fiber; wherein R, R, and Rindependently of one another represent a hydroxyl group, a polyoxyethylene group, or a polyoxypropylene group, the respective degree of polymerization (an ethylene oxide group or a propylene oxide group as a constitutional unit) independently of one another is from 0 to 55, and Rrepresents a saturated or unsaturated aliphatic hydrocarbon group of 16-30 carbon atoms,R—OCHCHROH  formula (III)wherein Rrepresents a saturated or unsaturated aliphatic hydrocarbon group of 12-30 carbon atoms, Rrepresents hydrogen or a methyl group, and k is an integer from 5 to 50.