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

Patent Owner(s)

Patent Owner	Address
LAMBERTI SPA	VIA PIAVE 18 ALBIZZATE 21041

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Biasotti, Barbara	Casarza Ligure, IT	6	6
Floridi, Giovanni	Novara, IT	74	185
Giardini, Lorenzo	Genoa, IT	8	7
Langella, Valentina	Milan, IT	13	26
Li, Bassi Giuseppe	Gavirate, IT	107	315
Merli, Luigi	Saronno, IT	21	75
Pirovano, Pierangelo	Comerio, IT	15	49
Riccaboni, Mauro	Legnano, IT	21	84

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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	Dec 27, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 27, 2028

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
June 27, 2017	US,9688907,B2   US9688907B2	GRANTED PATENT AS SECOND PUBLICATION
May 07, 2015	US,20150126416,A1   US20150126416A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9688907

Method of treating subterranean formations

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