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

Patent Owner(s)

• BAYER MATERIALSCIENCE AG;BAYER MATERIALSCIENCE LLC

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dugal, Markus	Kempen , DE	18	72
Grobetae, Bowing Alexandra	Koln , DE	1	0
Lehner, Peter	Ratingen , DE	22	87
Schubert, Stephan	Leverkusen , DE	33	124
Schwarz, Ido	Düsseldorf , DE	3	15
Sommer, Knut	Krefeld , DE	9	48
Wershofen, Stefan	Mönchengladbach , DE	60	198

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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
February 10, 2009	US,7488850,B2   US7488850B2	GRANTED PATENT AS SECOND PUBLICATION
June 12, 2008	US,20080139850,A1   US20080139850A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7488850

Process for removing compounds containing phenolic hydroxy groups from aromatic amines

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