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

Patent Owner(s)

Patent Owner	Address
BASF AKTIENGESELLSCHAFT	67056 LUDWIGSHAFEN

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• C01D:COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Friedrich, Holger	Bobenheim-Roxheim, DE	52	384
Guth, Josef	Freinsheim, DE	18	193
Schierle-Arndt, Kerstin	Zwingenberg, DE	49	390
Schlafer, Dieter	Ludwigshafen, DE	17	189
Sterzel, Hans-Josef	Dannstadt-Schauernheim, DE	91	866
Zehner, Peter	Ludwigshafen, DE	58	519

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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 02, 2003	US,6657091,B2   US6657091B2	GRANTED PATENT AS SECOND PUBLICATION
May 23, 2002	US,20020062050,A1   US20020062050A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6657091

Catalytic preparation of alkali metal alkoxides

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