Crosslinked anion-exchange resin or salt thereof and...

Details Crosslinked anion-exchange resin or salt thereof and... Crosslinked anion-exchange resin or salt thereof and...

2005-01-18

2005-01-18

Teskin, Fred (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

C521S025000, C424S078100, C424S078120, C424S078140

Reexamination Certificate

active

06844372

ABSTRACT:
An cross-linked anion exchange resin or a salt thereof obtained by reacting a polymer (A) having amino and/or imino groups in the total number of two or more per molecule with a compound (B) having two or more functional groups capable of reacting with amino and/or imino group contained in the polymer (A). The resin or salt has a water absorption ratio of 4.0 or lower.

REFERENCES:
patent: 4071478 (1978-01-01), Shen et al.
patent: 793960 (1997-09-01), None
patent: 2000-143798 (2000-05-01), None
patent: 9419379 (1994-09-01), None
patent: 9505184 (1995-02-01), None
patent: 9625440 (1996-08-01), None
patent: 9639156 (1996-12-01), None
patent: 9803185 (1998-01-01), None
English Language translation of Laid-open Kokai Patent JP2000-143798-A, published May 26, 2000.

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