Process for purifying melamine-containing ammonia

United States of America Patent

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Mar 22, 2005
Grant Date
Mar 18, 2004
app pub date
Oct 17, 2003
filing date
Nov 8, 2000

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Expired

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Abstract

A process for purifying gaseous melamine containing ammonia is provided. The method comprises partly condensing the gaseous melamine-containing ammonia to form melamine in liquid NH.sub.3 and purified NH.sub.3 gas. The melamine and purified NH.sub.3 gas are taken off.

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Patent Owner(s)

Patent Owner	Address
AGROLINZ MELAMIN GMBH	LINZ LINZ UPPER AUSTRIA

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C07D:HETEROCYCLIC COMPOUNDS

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Coufal, Gerhard	Linz, AT	16	86

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Process for purifying melamine-containing ammonia

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United States of America Patent

10416064

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PATENT NO	6870051
APP PUB NO	20040054176A1
SERIAL NO	10416064
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 22, 2005	US,6870051,B2 US6870051B2	GRANTED PATENT AS SECOND PUBLICATION
March 18, 2004	US,20040054176,A1 US20040054176A1	FIRST PUBLISHED PATENT APPLICATION

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10416064

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