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

Patent Owner(s)

Patent Owner	Address
SWEDISH MATCH NORTH EUROPE AB	118 85 STOCKHOLM

International Classification(s)

• 2706:CIGAR CASES, CIGARETTE CASES, TOBACCO JARS AND POU....

• 2022 Application Filing Year
• 2706 Class
• 21 Applications Filed
• 21 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hafstad, Daniel	Frillesås, SE	5	6
# of filed Patents : 5 Total Citations : 6
Söderström, Patrik	Alingsås, SE	4	6
# of filed Patents : 4 Total Citations : 6

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Patent Citation Ranking

• 0 Citation Count
• 2706 Class

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

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Feb 8, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 8, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 8, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent No: 9441168

Low interfacial tension surfactants for petroleum applications

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Abstract

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The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2019
• STCH2019
• FP2019
• FEPP2018
• FPAY2014
• FPAY2010
• FEPP2009
• I2007
• STCF2007
• P2005
• AS2005
• F2005
• PD2004

Date	Code	Event	Description
May 13, 2019	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
May 13, 2019	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Apr 10, 2019	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Apr 10, 2019
Nov 26, 2018	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 10, 2014	FPAY	FEE PAYMENT	year of fee payment: 8
Oct 04, 2010	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 09, 2009	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Apr 10, 2007	I	Issuance
Mar 21, 2007	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 01, 2005	P	Published
Jun 07, 2005	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NUETZEL, OSWALD;ZIMMERMANN, EGBERT;REEL/FRAME:016787/0792 Owner name: DYWILDAG-SYSTEMS INTERNATIONAL GMBH, GERMANY Effective Date: Jun 07, 2005
Jun 01, 2005	F	Filing
Jun 01, 2004	PD	Priority Date