Family

Loading Family data...

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

Patent Owner(s)

• AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH;INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• C07D:HETEROCYCLIC COMPOUNDS
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hedrick, James Lupton	Pleasanton, US	103	2370
Lee, Ashlynn Lingzhi	Singapore, SG	2	12
Venkataraman, Shrinivas	Singapore, SG	10	27
Yang, Yi Yan	Singapore, SG	115	482

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

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 16, 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 16, 2014	US,8834861,B2   US8834861B2	GRANTED PATENT AS SECOND PUBLICATION
September 13, 2012	US,20120232018,A1   US20120232018A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8834861

Polycarbonates for delivery of drugs and methods of preparation thereof

---

 

Legal Events