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

Patent Owner(s)

Patent Owner	Address
MEDIBEACON LLC	1100 CORPORATE SQUARE DRIVE HELIX CENTER UITE 229 ST LOUIS MO 63132

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dorshow, Richard B	St. Louis, US	133	1773
Neumann, William L	St. Louis, US	91	820
Rajagopalan, Raghavan	St. Peters, US	162	2269

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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	Nov 13, 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
May 13, 2014	US,8722685,B2   US8722685B2	GRANTED PATENT AS SECOND PUBLICATION
April 26, 2012	US,20120100078,A1   US20120100078A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8722685

Pyrazine derivatives and uses thereof in renal monitoring

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