Water purification by polymer colloids

United States of America Patent

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Dec 30, 2003
Grant Date
May 29, 2003
app pub date
Nov 26, 2001
filing date
Nov 26, 2001

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Abstract

A colloid comprises a sulfone polymer. The colloid may be used as a replacement for activated carbon or charcoal in water purification systems. Unlike activated carbon, the colloid is advantageously regenerated chemically and reused.

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Patent Owner	Address
BOARD OF TRUSTEES OF UNIVERSITY OF ILLINOIS	352 HENRY ADMINISTRATION BUILDING 506 S WRIGHT URBANA IL 61801

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Inventor Name	Address	# of filed Patents	Total Citations
Clark, Mark M	Urbana, IL	3	1
Riley, Robert	La Jolla, CA	17	292

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Water purification by polymer colloids

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United States of America Patent

09995252

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PATENT NO	6669851
APP PUB NO	20030100617A1
SERIAL NO	09995252
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 30, 2003	US,6669851,B2 US6669851B2	GRANTED PATENT AS SECOND PUBLICATION
May 29, 2003	US,20030100617,A1 US20030100617A1	FIRST PUBLISHED PATENT APPLICATION

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09995252

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