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

Patent Owner(s)

Patent Owner	Address
SOLVAY SA	310 RUE DE RANSBEEK BRUSSELS B-1120

International Classification(s)

• C22B:PRODUCTION OR REFINING OF METALS
• C01D:COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, ....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Vandendoren, Alain	Wezembeek-Oppem, BE	18	55

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 14, 2028

Fee	Large entity fee	small entity fee	micro entity fee
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
March 14, 2017	US,9593023,B2   US9593023B2	GRANTED PATENT AS SECOND PUBLICATION
May 14, 2015	US,20150132203,A1   US20150132203A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9593023

Process for treating a sodium carbonate purge

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