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

Patent Owner(s)

Patent Owner	Address
GIRINDUS AG	51427 BERGISCH-GLADBACH

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hayat, Nasir	Bielefeld, DE	2	7
Lange, Meinolf	Bielefeld, DE	15	101
Link, Fritz	Bensberg, DE	11	73
Neuhaus, Christiane	Halle/Saale, DE	1	4
Westermann, Bernhard	Halle/Saale, DE	4	9

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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 14, 2010	US,7851639,B2   US7851639B2	GRANTED PATENT AS SECOND PUBLICATION
April 24, 2008	US,20080097113,A1   US20080097113A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7851639

Method for the production of a-(alpha-hydroxyalkyl)-1,3 dioxan-5-ones

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