Patent Number: 6,168,863

Title: Metal chelate-forming fibers, process for producing the same, process for sequestering with the same, and filter produced therefrom

Abstract: The present invention provides a novel fibrous chelate-forming material to which a capability of forming a chelate with metal is imparted by introducing a specific acyl group represented by the following general formula [1] or [2], and also discloses a novel process for producing a chelate-forming fiber, a process for sequestering with the same, and a filter capable of simultaneously removing impurities and metal ions in a fluid is imparted using the chelate-forming fiber. ##STR1## [wherein each symbol is as defined in the specification.]

Inventors: Nambu; Nobuyoshi (Yokkaichi, JP), Ito; Osamu (Yokkaichi, JP), Sato; Shiho (Yokkaichi, JP)

Assignee: Chelest Corporation

International Classification: B01D 39/16 (20060101); B01J 45/00 (20060101); D06M 13/203 (20060101); D06M 13/342 (20060101); D06M 13/00 (20060101); D06M 13/252 (20060101); D06M 13/184 (20060101); D02G 003/00 (); D06M 013/00 (); D01F 006/00 ()

Expiration Date: 01/02/2018