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

Patent Owner(s)

Patent Owner	Address
STAMICARBON B V	SITTARD

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• B22F:WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES F....
• F28F:DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATU....
• C22C:ALLOYS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Östlund, Martin	Gävle, SE	6	4
Gullberg, Daniel	Gävle, SE	10	7
Kivisäkk, Ulf	Sandviken, SE	8	6
Larsson, Linn	Järbo, SE	4	4
Scheerder, Alexander Aleida Antonius	Sittard, NL	12	14

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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	Jan 14, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 14, 2032

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
July 14, 2020	US,10710047,B2   US10710047B2	GRANTED PATENT AS SECOND PUBLICATION
October 25, 2018	US,20180304224,A1   US20180304224A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 10710047

Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy

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