Cross-linked anionic and amphoteric polymeric microparticles

United States of America Patent

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Dec 15, 1992
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Jul 22, 1991
filing date
Jun 11, 1990

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Abstract

Novel compositions comprising anionic and/or amphoteric organic polymeric microparticles are disclosed, along with a method for their production. The products are useful in flocculating a wide variety of dispersions of suspended solids and in paper-making.

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Patent Owner(s)

Patent Owner	Address
CIBA SPECIALTY CHEMICALS CORP	540 WHITE PLAINS ROAD P O BOX 2005 TARRYTOWN NY 10591

International Classification(s)

C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Harris, Elieth W	Bridgeport, CT	2	95
Honig, Dan S	New Canaan, CT	5	225
Neff, Roger E	Stamford, CT	11	330
Ryles, Roderick G	Milford, CT	28	412

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Cross-linked anionic and amphoteric polymeric microparticles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07803120

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PATENT NO	5171808
SERIAL NO	07803120
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07803120

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