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

Patent Owner(s)

Patent Owner	Address
VALE S A	PRAIA DE BOTAFOGO Nº 186 ROOMS 1101 1701 AND 1801 BOTAFOGO RIO DE JANEIRO RJ

International Classification(s)

• B03D:FLOTATION; DIFFERENTIAL SEDIMENTATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
da, Silva Cezar Gonçalves	Mariana, BR	1	4
Miquelanti, Elismar	Mariana, BR	1	4
Oliveira, Flávia Alice Monteiro da Silva	Mariana, BR	1	4
Silva, Marcílio do Carmo	Mariana, BR	1	4

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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 7, 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 07, 2017	US,9586212,B2   US9586212B2	GRANTED PATENT AS SECOND PUBLICATION
March 06, 2014	US,20140061101,A1   US20140061101A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9586212

Depressor in iron ore flotation comprising sugar cane bagasse, use of sugar cane bagasse as depressor in iron ore flotation and process of preparing depressor comprising sugar cane bagasse

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