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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 CHEMISTRY CHINESE ACADEMY OF SCIENCES	100190 NO 2 NORTH FIRST STREET HAIDIAN DISTRICT BEIJING ZHONGGUANCUN BEIJING CITY BEIJING CITY 100190

International Classification(s)

• Non-US Classification not provided for expired patents

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Liu, Chunqing	Beijing, CN	173	1626
Tang, Huadong	Beijing, CN	15	35
Xie, Ping	Beijing, CN	122	1440
Zhang, Rongben	Beijing, CN	1	8

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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: 6423772

Organo-bridged ladderlike polysiloxane, tube-like organosilicon polymers, complexes thereof, and the method for producing the same

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