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

Patent Owner(s)

Patent Owner	Address
CHEMETALL GMBH	GERMANY

International Classification(s)

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

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dietz, Rainer	Egelsbach, DE	15	80
Emmel, Ute	Frankfurt am Main, DE	38	73
Lischka, Uwe	Frankfurt am Main, DE	32	159
Wietelmann, Ulrich	Friedrichsdorf, DE	92	312

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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
April 03, 2012	US,8148286,B2   US8148286B2	GRANTED PATENT AS SECOND PUBLICATION
April 30, 2009	US,20090112027,A1   US20090112027A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8148286

Activated alkaline earth metal, in particular magnesium, for the preparation of organoalkaline earth metal compounds

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