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

Patent Owner(s)

Patent Owner	Address
MERCK PATENT GMBH	64293 DARMSTADT

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bartmann, Ekkehard	Erzhausen , DE	53	561
Bensinger, Dieter	Darmstadt , DE	1	0
Haas, Alexander	Darmstadt , DE	50	1119
Kirschbaum, Michael	Weiterstadt , DE	9	100
Lippert, Ricky	Brensbach , DE	1	0

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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
December 08, 2009	US,7629493,B2   US7629493B2	GRANTED PATENT AS SECOND PUBLICATION
March 08, 2007	US,20070055064,A1   US20070055064A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2007/0055,064

Process for the crystallisation of guandinium salts

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