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

Patent Owner(s)

Patent Owner	Address
CHIYODA CORPORATION	4-6-2 MINATOMIRAI NISHI-KU KANAGAWA YOKOHAMA-SHI 220-8765

International Classification(s)

• F23J:REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COM....
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nishizaki, Chisa	Kanagawa, JP	1	0
Takei, Noboru	Kanagawa, JP	6	5

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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	Feb 1, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 1, 2029

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
August 01, 2017	US,9718024,B2   US9718024B2	GRANTED PATENT AS SECOND PUBLICATION
June 25, 2015	US,20150174525,A1   US20150174525A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9718024

Method for preventing inactivation of flue gas desulfurization apparatus

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