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

Patent Owner(s)

Patent Owner	Address
TECHNISCHE UNIVERSITAT DRESDEN	DRESDEN DRESDEN FREE STATE OF SAXONY
HELMHOLTZ-ZENTRUM DRESDEN - ROSENDORF E V	BAUTZNER LANDSTRABE 400 01328 DRESDEN

International Classification(s)

• C22B:PRODUCTION OR REFINING OF METALS
• C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
• C01F:COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUM....
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bernhard, Gert	Dresden, DE	1	4
Lehmann, Falk	Dresden, DE	4	766
Raff, Johannes	Dresden, DE	1	4
Schulz, Tobias	Köln, DE	33	31
Strassner, Thomas	Dresden, DE	9	84

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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	Nov 30, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 30, 2028

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
May 30, 2017	US,9663386,B2   US9663386B2	GRANTED PATENT AS SECOND PUBLICATION
September 04, 2014	US,20140246370,A1   US20140246370A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9663386

Extraction of noble metal (ions) by means of ionic liquids

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