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

Patent Owner(s)

Patent Owner	Address
COVESTRO DEUTSCHLAND AG	KAISER-WILHELM-ALLEE 60 LEVERKUSEN 51373

International Classification(s)

• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bäcker, Werner	Wipperfürth, DE	8	34
Bahnmuler, Stephan	Signapur, DE	2	0
Duff, Daniel-Gordon	Leverkusen, DE	8	164
Elsner, Thomas	Düsseldorf, DE	23	258
Hitzbleck, Julia	Köln, DE	7	54
Kessler, Daniel	Weitersburg, DE	13	38
Langstein, Gerhard	Kuerten, DE	32	332
Meyer, Helmut	Odenthal, DE	95	1212
Naberfeld, Guido	Upper St. Clair, US	3	16
Nennemann, Arno	Bergisch Gladbach, DE	23	138
Plug, Sascha	Leverkusen, DE	19	66
Rechner, Johann	Kempen, DE	63	994
Theato, Patrick	Mainz, DE	2	0
Traving, Michael	Burscheid, DE	20	110
Warsitz, Rafael	Essen, DE	16	78

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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 15, 2013	US,8354028,B2   US8354028B2	GRANTED PATENT AS SECOND PUBLICATION
August 07, 2008	US,20080185343,A1   US20080185343A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8354028

Method for separating an organic phase from an electrolyte-containing aqueous and organic phase

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