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

Patent Owner(s)

Patent Owner	Address
BORCHERS GMBH	BERGHAUSENER STRASSE 100 40764 LANGENFELD GERMANY

International Classification(s)

• C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
• C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Happe, Peter	Solingen, DE	3	9
Manshausen, Peter	Köln, DE	9	31
Mazanek, Jan	Köln, DE	63	724
Priesnitz, Uwe	Solingen, DE	69	151
Sauer, Frank	Langenfeld, DE	109	6238
Spinger, Christel	Leverkusen, DE	1	1
Steinhoff, Thomas	Leverkusen, DE	2	3
Wamprecht, Christian	Neuss, DE	113	865

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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
July 12, 2005	US,6916876,B2   US6916876B2	GRANTED PATENT AS SECOND PUBLICATION
March 13, 2003	US,20030050389,A1   US20030050389A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6916876

Powdered thickener preparations based on polyurethane and their use for thickening aqueous systems

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