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

Patent Owner(s)

Patent Owner	Address
TATA STEEL NEDERLAND TECHNOLOGY B V	WENCKEBACHSTRAAT 1 VELSEN-NOORD 1951 JZ

International Classification(s)

• C21C:PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
EMAMI, Ali	HAARLEM, NL	9	520
SCHRAMA, Frank Nicolaas Hermanus	LEIDEN, NL	1	0
VAN, BOGGELEN Johan Willem Koenraad	ALKMAAR, NL	2	0

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Dec 2, 2025
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 2, 2029
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Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2022/0170,122

DEVICE AND METHOD FOR CONTINUOUS DESULPHURISATION OF LIQUID HOT METAL

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