Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345138 | Biodegradable polyphosphates for controlled release of bioactive substances | Jun Wang, Kam W. Leong | 2008-03-18 |
| 6899731 | Controlled delivery of therapeutic agents by insertable medical devices | Weiping Li, Kam W. Leong | 2005-05-31 |
| 6852709 | Biologically useful polyphosphates | Kam W. Leong, Wen Jie | 2005-02-08 |
| 6805876 | Phosphate based biodegradable polymers | Kam W. Leong, Wen Jie, Ren-Xi Zhuo | 2004-10-19 |
| 6800672 | Biodegradable compositions comprising poly(cycloaliphatic phosphoester) compounds, articles, and methods for using the same | Wenbin Dang, Irina Nikolaevna Kadiyala, Zhong Zhao, James P. English, Kam W. Leong | 2004-10-05 |
| 6600010 | Biodegradable terephthalate polyester-poly (phosphate) polymers, compositions, articles, and methods for making and using the same | Kam W. Leong, Wenbin Dang, Hungnan Lo, Zhong Zhao, David P. Nowotnik +1 more | 2003-07-29 |
| 6548302 | Polymers for delivery of nucleic acids | Kevin Y. Lin, Bart S. Hendriks, Kam W. Leong, Michael Haller | 2003-04-15 |
| 6485737 | Biodegradable terephthalate polyester-poly (phosphonate) compositions, articles and methods of using the same | Kam W. Leong, Zhong Zhao, Wenbin Dang, James P. English, David P. Nowotnik | 2002-11-26 |
| 6419709 | Biodegradable terephthalate polyester-poly(Phosphite) compositions, articles, and methods of using the same | Kam W. Leong, Zhong Zhao, Wensin Dang, James P. English, David P. Nowotnik | 2002-07-16 |
| 6403675 | Biodegradable compositions comprising poly(cycloaliphatic phosphoester) compounds, articles, and methods for using the same | Wenbin Dang, Irina Nikolaevna Kadiyala, Kam W. Leong, Zhong Zhao, James P. English | 2002-06-11 |
| 6376644 | Biodegradable polymers chain-extended by phosphates, compositions, articles and methods for making and using the same | Kam W. Leong, Zhong Zhao, James P. English | 2002-04-23 |
| 6322797 | Biodegradable terephthalate polyester-poly (phosphate) polymers, compositions, articles, and methods for making and using the same | Kam W. Leong, Wenbin Dang, Hungnan Lo, Zhong Zhao, David P. Nowotnik +1 more | 2001-11-27 |
| 6238687 | Biodegradable polymers, compositions, articles and methods for making and using the same | Kam W. Leong | 2001-05-29 |
| 6166173 | Biodegradable polymers chain-extended by phosphates, compositions, articles and methods for making and using the same | Kam W. Leong, Zhong Zhao, James P. English | 2000-12-26 |
| 6153212 | Biodegradable terephthalate polyester-poly (phosphonate) compositions, articles, and methods of using the same | Kam W. Leong, Zhong Zhao, Wenbin Dang, James P. English, David P. Nowotnik | 2000-11-28 |
| 6008318 | Two-stage solution polymerization of high molecular weight poly(phosphoesters) | Zhong Zhao, Kam W. Leong | 1999-12-28 |
| 5972707 | Gene delivery system | Krishnendu Roy, Vu L. Truong, Thomas August, Kam W. Leong | 1999-10-26 |
| 5912225 | Biodegradable poly (phosphoester-co-desaminotyrosyl L-tyrosine ester) compounds, compositions, articles and methods for making and using the same | Kam W. Leong | 1999-06-15 |