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

Patent Owner(s)

Patent Owner	Address
METSO PAPER SWEDEN AKTIEBOLAG	851 94 SUNDSVALL SUNDSVALL

International Classification(s)

• D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....

• 2009 Application Filing Year
• D21C Class
• 70 Applications Filed
• 56 Patents Issued To-Date
• 80 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Saetherasen, Jonas	Hammaro, SE	23	38
# of filed Patents : 23 Total Citations : 38
Samuelsson, Anders	Hammaro, SE	44	904
# of filed Patents : 44 Total Citations : 904
Trolin, Daniel	Karlstad, SE	13	24
# of filed Patents : 13 Total Citations : 24

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Patent Citation Ranking

• 0 Citation Count
• D21C Class

• 0 % this patent is cited more than
• 12 Age

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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	May 5, 2025

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
November 05, 2013	US,8574402,B2   US8574402B2	GRANTED PATENT AS SECOND PUBLICATION
October 27, 2011	US,20110259539,A1   US20110259539A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9863201

Isolation device containing a dissolvable anode and electrolytic compound

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Abstract

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A wellbore isolation device comprising: a first material, wherein the first material: (A) is a metal or a metal alloy; and (B) partially dissolves when an electrically conductive path exists between the first material and a second material and at least a portion of the first and second materials are in contact with an electrolyte; and an electrolytic compound, wherein the electrolytic compound dissolves in a fluid located within the wellbore to form free ions that are electrically conductive. A method of removing the wellbore isolation device comprises: placing the wellbore isolation device into the wellbore; and allowing at least a portion of the first material to dissolve.

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Description

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Claims

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Legal Events

 

• MAFP2021
• PD2018
• I2018
• STCF2017
• AS2017
• P2017
• F2017

Date	Code	Event	Description
Jun 10, 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
Jan 10, 2018	PD	Priority Date
Jan 09, 2018	I	Issuance
Dec 20, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 01, 2017	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FRIPP, MICHAEL L.;WALTON, ZACHARY W.;MURPHREE, ZACHARY R.;SIGNING DATES FROM 20140110 TO 20140113;REEL/FRAME:044273/0521 Owner name: HALLIBURTON ENERGY SERVICES, TEXAS
Jul 13, 2017	P	Published
Mar 27, 2017	F	Filing