Composition comprising metal-ion sequestrant

Details Composition comprising metal-ion sequestrant Composition comprising metal-ion sequestrant

2008-01-29

2008-01-29

Teskin, Fred (Department: 1713)

Liquid purification or separation

Processes

Ion exchange or selective sorption

C210S688000, C521S030000, C521S031000, C521S032000, C428S441000, C428S461000, C428S500000, C428S507000, C252S184000

Reexamination Certificate

active

07323109

ABSTRACT:
This invention relates to a composition of matter comprising a functionalized mordant polymer comprising a cationic polymer having an adsorbed metal-ion sequestrant, wherein the metal-ion sequestrant has a stability constant greater than 1010with iron (III). It further relates to an article comprising said composition and a method of removing target metal-ions from an environment comprising contacting the environment with said composition.

REFERENCES:
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patent: WO96/00603 (1996-01-01), None
J. F. Bringley, et al., “An Iron Sequestering Antimicrobial Composition”, U.S. Appl. No. 10/868,626, filed Jun. 15, 2004.

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