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

Patent Owner(s)

Patent Owner	Address
SULZER MANAGEMENT AG	NEUWIESENSTRASSE 15 WINTERTHUR 8401

International Classification(s)

• D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Vesala, Reijo	Kotka, FI	31	303
Vikman, Vesa	Kotka, FI	24	218

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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 30, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 30, 2028

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 30, 2017	US,9663897,B2   US9663897B2	GRANTED PATENT AS SECOND PUBLICATION
July 28, 2016	US,20160215450,A1   US20160215450A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9663897

Method of and an arrangement for introducing process liquid from a treatment step to a washing and/or filtering apparatus

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