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

Patent Owner(s)

Patent Owner	Address
INSTITUTE OF MATERIA MEDICA CHINESE ACADEMY OF MEDICAL SCIENCES (CN)	XUANWU DISTRICT 1 XIAN NONG TAN STREET BEIJING 100050

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
Fang, Hongju	Beijing, CN	1	1
Guo, Jiyu	Beijing, CN	1	1
Li, Chun	Beijing, CN	158	1857
Liu, Haifan	Beijing, CN	1	1
Liu, Qian	Beijing, CN	279	1098
Liu, Ruiwu	Beijing, CN	23	68
Sun, Sujuan	Beijing, CN	3	5
Wang, Donghui	Beijing, CN	70	317
Wang, Weijun	Beijing, CN	33	85
Yin, Dali	Beijing, CN	6	39
Zhang, Wuyan	Beijing, CN	1	1

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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

Full Text

US Patent No: 6486201

Agarofuan derivatives, their preparation, pharmaceutical composition containing them and their use as medicine

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