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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
SAIPEM S P A	SAN DONATO MILANESE

International Classification(s)

• C01C:AMMONIA; CYANOGEN; COMPOUNDS THEREOF
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bottino, Aldo	Genoa, IT	3	42
Capannelli, Gustavo	Genoa, IT	4	44
Casara, Paolo	Schio, IT	5	26
Gianazza, Alessandro	Legnano, IT	11	49
Merelli, Giuseppe	Vertova, IT	4	31
Miracca, Ivano	Milan, IT	8	43

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 23, 2012	US,8293201,B2   US8293201B2	GRANTED PATENT AS SECOND PUBLICATION
April 21, 2011	US,20110091369,A1   US20110091369A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8293201

Method for the recovery of ammonia from a gaseous stream in a synthesis process of urea

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