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

Patent Owner(s)

Patent Owner	Address
BAYER MATERIALSCIENCE AG	51368 LEVERKUSEN

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Köcher, Jürgen	Langenfeld, DE	21	121
Wamprecht, Christian	Neuss, DE	113	865

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 29, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 29, 2014	US,8791200,B2   US8791200B2	GRANTED PATENT AS SECOND PUBLICATION
April 05, 2012	US,20120083537,A1   US20120083537A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8791200

TCD based hydrophilic polyurethane dispersions

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