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

Patent Owner(s)

Patent Owner	Address
CORNELL UNIVERSITY	CENTER FOR TECHNOLOGY LICENSING ("CTL") AT CORNELL UNIVERSITY 395 PINE TREE ROAD SUITE 310 ITHACA NY 14850

International Classification(s)

• C07B:GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS TH....
• C08B:POLYSACCHARIDES; DERIVATIVES THEREOF

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chu, Chih-Chang	Ithaca, US	48	1544
Zhong, Chao	Seattle, US	21	67

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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	Mar 23, 2026

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
September 23, 2014	US,8841440,B2   US8841440B2	GRANTED PATENT AS SECOND PUBLICATION
June 23, 2011	US,20110150999,A1   US20110150999A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8841440

Organo-soluble chitosan salts and chitosan-derived biomaterials prepared thereof

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