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

Patent Owner(s)

Patent Owner	Address
M-I L L C	5950 NORTH COURSE DRIVE HOUSTON TX 77072

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....

• 2009 Application Filing Year
• C09K Class
• 1606 Applications Filed
• 889 Patents Issued To-Date
• 55.36 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Stamatakis, Emanuel	Houston, US	34	572
# of filed Patents : 34 Total Citations : 572
Young, Steven	Cypress, US	73	2099
# of filed Patents : 73 Total Citations : 2099

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Patent Citation Ranking

• 2 Citation Count
• C09K Class

• 32.37 % this patent is cited more than
• 7 Age

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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	Aug 20, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 20, 2029

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
February 20, 2018	US,9896610,B2   US9896610B2	GRANTED PATENT AS SECOND PUBLICATION
March 10, 2011	US,20110056752,A1   US20110056752A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9896610

Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss

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Abstract

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Embodiments disclosed herein relate to aqueous based wellbore fluids for preventing wellbore fluid loss downhole containing at least one copolymer formed from at least one natural polymer monomer and at least one latex monomer, and an aqueous base fluid.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2021
• I2018
• STCF2018
• P2011
• AS2010
• AS2009
• F2009

Date	Code	Event	Description
Aug 04, 2021	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Feb 20, 2018	I	Issuance
Jan 31, 2018	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 10, 2011	P	Published
Nov 05, 2010	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YOUNG, STEVEN;STAMATAKIS, EMANUEL;SIGNING DATES FROM 20090506 TO 20090507;REEL/FRAME:025321/0028 Owner name: M-I L.L.C., TEXAS
May 12, 2009	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YOUNG, STEVEN;STAMATAKIS, EMANUEL;SIGNING DATES FROM 20090506 TO 20090507;REEL/FRAME:022672/0078 Owner name: M-I L.L.C., TEXAS
May 04, 2009	F	Filing