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

Patent Owner(s)

Patent Owner	Address
ASTRAZENECA UK LIMITED	1 FRANCIS CRICK AVENUE CAMBRIDGE BIOMEDICAL CAMPUS CAMBRIDGE CB2 0AA

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Feng, Tao	Shanghai, CN	177	1037
Sanganee, Hitesh Jayantilal	Loughborough, GB	13	53
Wada, Hiroki	Loughborough, GB	34	482

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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
June 12, 2012	US,8198285,B2   US8198285B2	GRANTED PATENT AS SECOND PUBLICATION
January 26, 2012	US,20120022082,A1   US20120022082A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8198285

Pyrazine derivatives

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