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

Patent Owner(s)

Patent Owner	Address
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B V	2596 HR DEN HAAG

International Classification(s)

• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Birke, Peter	Langenbogen, DE	63	357
Geyer, Reinhard	Halle, DE	12	76
Hunold, Ju	Halle, DE	1	2
Schodel, Rainer	Teutschenthal, DE	8	58

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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
February 06, 2007	US,7172990,B2   US7172990B2	GRANTED PATENT AS SECOND PUBLICATION
November 04, 2004	US,20040220436,A1   US20040220436A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7172990

Highly active spherical metal support catalysts

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