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:
Apr. 05, 2005
Filed:
Feb. 24, 2000
Nobuyoshi Nambu, Yokkaichi, JP;
Osamu Ito, Yokkaichi, JP;
Shiho Horiuchi, Osaka, JP;
Takao Doi, Yokkaichi, JP;
Nobuyoshi Nambu, Yokkaichi, JP;
Osamu Ito, Yokkaichi, JP;
Shiho Horiuchi, Osaka, JP;
Takao Doi, Yokkaichi, JP;
Chelest Corporation, Osaka, JP;
Chubu Chelest Co., Ltd., Osaka, JP;
Abstract
A fiber capable of forming a metal chelate and a process for producing the same are disclosed, wherein the fiber is characterized in that at least one metal chelate-forming compound selected from the group consisting of aminodicarboxylic acids, aminocarboxylic acids, thiocarboxylic acids and phosphoric acid, which are reactive with a glycidyl group, is bonded to a molecule of a natural fiber or regenerated fiber through a crosslinkable compound having a reactive double bond and a glycidyl group in its molecule. There are also disclosed a method of capturing metal ions using the fiber and a metal chelate fiber which can effectively make use of the characteristics of the metals and can be easily discarded or incinerated.