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

Patent Owner(s)

Patent Owner	Address
AKZO NOBEL CHEMICALS INTERNATIONAL B V	HOLLAND ARNHEM
KEMIRA OYJ	HELSINKI

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hubbe, Thomas	Cologne, DE	4	8
Kijlstra, Johan	Odenthal, DE	32	263
Meisel, Karlheinrich	Odenthal, DE	13	51
Nennemann, Arno	Bergisch Gladbach, DE	23	69
Puppe, Lothar	Burscheid, DE	63	826
Renner, Gerd-Friedrich	Kurten, DE	10	20
Thiele, Bernd	Bensheim, DE	15	92

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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
January 03, 2012	US,8088830,B2   US8088830B2	GRANTED PATENT AS SECOND PUBLICATION
May 06, 2010	US,20100108277,A1   US20100108277A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8088830

Paper production with modified silica gels as microparticles

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