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

Patent Owner(s)

Patent Owner	Address
WEYLCHEM WIESBADEN GMBH	65203 WIESBADEN

International Classification(s)

• C11D:DETERGENT COMPOSITIONS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bauer, Harald	Kerpen, DE	166	1362
Berghahn, Matthias	Krefeld, DE	5	44
Hardt, Peter	Monheim, DE	11	14
Holz, Josef	Erftstadt, DE	17	83
Mertens, Richard	Krefeld, DE	47	1230
Muller, Thomas	Meerbusch, DE	174	1663
Schimmel, Gu	Erftstadt, DE	2	1
Thewes, Volker	Monheim, DE	14	90

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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
August 14, 2007	US,7256169,B2   US7256169B2	GRANTED PATENT AS SECOND PUBLICATION
September 09, 2004	US,20040176268,A1   US20040176268A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7256169

Pulverulent laundry and cleaning detergent ingredient consisting of polycarbosylate and silicate

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