Ring-opening polymerization of cyclic compounds catalyzed by carbene derivatives

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9040653
APP PUB NO 20110144296A1
SERIAL NO

13034620

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

This disclosure provides methods of controlled polymerization of cyclic compounds catalyzed by carbene derivatives having a general formula as shown below, and to obtain a biodegradable polymeric material having a large molecular weight, a narrow dispersity, and no metallic impurity.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NANJING UNIVERSITY OF TECHNOLOGY210000 PUZHU SOUTH ROAD PUKOU DISTRICT NANJING JIANGSU 30 NANJING CITY JIANGSU PROVINCE 210000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, He Nanjing, CN 482 2786
Li, Zhenjiang Nanjing, CN 21 225
Ouyang, Pingkai Nanjing, CN 25 15

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 26, 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