Production of high purity lithium compounds directly from lithium containing brines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 5, 2018
Issued Date -
N/A
app pub date -
Feb 22, 2016
filing date -
Jan 20, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process for reducing the amount of magnesium in a lithium-containing brine by adding an aqueous solution of KCl to the brine to precipitate at least some of the magnesium as carnallite salt is disclosed. Lithium salts prepared using this magnesium removal process are also disclosed.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ROCKWOOD LITHIUM INC | Not Provided |
International Classification(s)

- 2016 Application Filing Year
- C02F Class
- 1880 Applications Filed
- 1218 Patents Issued To-Date
- 64.79 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Boryta, Daniel Alfred | Mooresboro, US | 16 | 377 |
# of filed Patents : 16 Total Citations : 377 | |||
Donaldson, Andrew John | Gastonia, US | 3 | 10 |
# of filed Patents : 3 Total Citations : 10 |
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Patent Citation Ranking
- 0 Citation Count
- C02F Class
- 0 % 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 |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 5, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 5, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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

Legal Events
Date | Code | Event | Description |
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Sep 03, 2018 | 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: SMALL ENTITY |
Sep 03, 2018 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jul 27, 2018 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jul 27, 2018 |
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Jan 24, 2014 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 01, 2013 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAT HOLDER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: LTOS); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Feb 15, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SIEGEL AERODYNAMICS, INC.;REEL/FRAME:025856/0608 Owner name: ATARGIS ENERGY CORPORATION, COLORADO Effective Date: Feb 15, 2011 |
Jul 27, 2010 | I | Issuance | |
Sep 20, 2007 | P | Published | |
Mar 14, 2006 | F | Filing | |
Mar 14, 2006 | PD | Priority Date | |
Mar 13, 2006 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SIEGEL, STEFAN GUNTHER;REEL/FRAME:017694/0250 Owner name: SIEGEL AERODYNAMICS, INC., COLORADO Effective Date: Mar 13, 2006 |

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