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

Patent Owner(s)

Patent Owner	Address
ROCKWOOD LITHIUM INC	348 HOLIDAY INN DRIVE KINGS MOUNTAIN NC 28086

International Classification(s)

• C01D:COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, ....

• 2009 Application Filing Year
• C01D Class
• 46 Applications Filed
• 36 Patents Issued To-Date
• 78.27 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Boryta, Daniel Alfred	Cherryville, US	16	377
# of filed Patents : 16 Total Citations : 377
Kullberg, Teresita Frianeza	Gastonia, US	13	367
# of filed Patents : 13 Total Citations : 367
Thurston, Anthony Michael	Edmond, US	16	425
# of filed Patents : 16 Total Citations : 425

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Patent Citation Ranking

• 1 Citation Count
• C01D Class

• 19.23 % this patent is cited more than
• 15 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
December 28, 2010	US,7858057,B2   US7858057B2	GRANTED PATENT AS SECOND PUBLICATION
August 27, 2009	US,20090214414,A1   US20090214414A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7858057

Production of lithium compounds directly from lithium containing brines

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Abstract

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Methods and apparatus for the production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. Methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine are also disclosed.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2023
• STCH2023
• FP2022
• FEPP2022
• MAFP2018
• FPAY2014
• AS2013
• AS2012
• AS2012
• AS�2011
• I2010
• STCF2010
• P2009
• F2009
• PD1998

Date	Code	Event	Description
Jan 30, 2023	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
Jan 30, 2023	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Dec 28, 2022	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Dec 28, 2022
Aug 15, 2022	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jun 28, 2018	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552) year of fee payment: 8
May 28, 2014	FPAY	FEE PAYMENT	year of fee payment: 4
Sep 26, 2013	AS	ASSIGNMENT	free format text: TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS FILED AT R/F 025795/0627;ASSIGNOR:CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT;REEL/FRAME:031324/0815 Owner name: CHEMETALL FOOTE CORP., NORTH CAROLINA Effective Date: Sep 26, 2013
Apr 12, 2012	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:CHEMETALL FOOTE CORPORATION;REEL/FRAME:028123/0563 Owner name: ROCKWOOD LITHIUM INC., NORTH CAROLINA Effective Date: Apr 12, 2012
Apr 01, 2012	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:CHEMETALL FOOTE CORP.;REEL/FRAME:028093/0372 Owner name: ROCKWOOD LITHIUM INC., NEW JERSEY Effective Date: Apr 01, 2012
Feb 10, 2011	AS�	SECURITY INTEREST	free format text: SECURITY AGREEMENT;ASSIGNOR:CHEMETALL FOOTE CORP.;REEL/FRAME:025795/0627 Owner name: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINI Effective Date: Feb 10, 2011
Dec 28, 2010	I	Issuance
Dec 08, 2010	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 27, 2009	P	Published
Apr 17, 2009	F	Filing
Jul 16, 1998	PD	Priority Date