Non-alkaline purification of aminophosphonic acids

United States of America Patent

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Feb 27, 1996
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Nov 4, 1993
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Nov 4, 1993

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Abstract

A process for the purification of aminophosphonic acids under non-alkaline conditions is described. In particular, aminophosphonic acids are slurred in neutral or acidic water, heated to reflux, cooled and then filtered. Product purities approaching 100% are thus obtained.

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Patent Owner	Address
CYTOGEN CORPORATION	650 COLLEGE ROAD EAST SUITE 3100 PRINCETON NJ 08540

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C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....

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Inventor Name	Address	# of filed Patents	Total Citations
Belinka, Jr Benjamin A	Kendall Park, NJ	11	472
Coughlin, Daniel J	Robbinsville, NJ	22	1057

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Non-alkaline purification of aminophosphonic acids

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08145591

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PATENT NO	5495042
SERIAL NO	08145591
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08145591

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