Polyvinyl prolidone and crosslinker with divinyl and chelation group

United States of America Patent

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Feb 2, 1999
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Mar 13, 1997
filing date
Mar 13, 1997

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Expired

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Abstract

A crosslinked popcorn polymer of vinyl pyrrolidone and a crosslinker containing a pendant divinyl moiety and a chelating group capable of complexing a heavy metal ion in aqueous solution.

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ISP CAPITAL INC	SUITE 303 300 DELAWARE AVENUE WILMINGTON DE 19801

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Inventor Name	Address	# of filed Patents	Total Citations
Golubev, Vladimir	Moscow, RU	1	2
Kabanov, Victor	Moscow, RU	3	6

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Polyvinyl prolidone and crosslinker with divinyl and chelation group

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08816281

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PATENT NO	5866660
SERIAL NO	08816281
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08816281

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