Process for the preparation of urea

United States of America Patent

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Feb 22, 2005
Grant Date
Mar 18, 2004
app pub date
Oct 21, 2003
filing date
Dec 5, 2000

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Abstract

Process for the preparation of urea from ammonia and carbon dioxide, wherein the waste gases released at virtually atmospheric pressure in a urea plant are compressed by an ejector driven by the waste gas from the high-pressure synthesis and are supplied to a medium-pressure absorber. The pressure of the waste gases is increased by 0.15-1 MPa.

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Patent Owner	Address
STAMICARBON B V	HOLLAND SITTARD SITAD LIMBURG PROVINCE

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C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Jonckers, Kees	Susteren, NL	15	80
Meessen, Jozef Hubert	Gulpen, NL	17	58

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Process for the preparation of urea

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10432876

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PATENT NO	6858755
APP PUB NO	20040054229A1
SERIAL NO	10432876
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 22, 2005	US,6858755,B2 US6858755B2	GRANTED PATENT AS SECOND PUBLICATION
March 18, 2004	US,20040054229,A1 US20040054229A1	FIRST PUBLISHED PATENT APPLICATION

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10432876

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