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

Patent Owner(s)

Patent Owner	Address
BYK-CHEMIE GMBH	ABELSTRASSE 45 46483 WESEL 46483

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
Bömer, Jörg	Wesel, DE	9	8
Eßer, Andrea	Wesel, DE	1	7
Göbelt, Bernd	Wesel, DE	24	159
Okkel, Andreas	Wesel, DE	21	16
Omeis, Jürgen	Dorsten-Lembeck, DE	48	235
Pritschins, Wolfgang	Wesel, DE	38	383
Stelz, Sabine	Oberhausen, DE	5	8

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Nov 5, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 5, 2031

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
May 05, 2020	US,10640611,B2   US10640611B2	GRANTED PATENT AS SECOND PUBLICATION
July 06, 2017	US,20170190840,A1   US20170190840A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 10640611

Polyamine addition compounds

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