Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9163123 | Chemical modification of lignin and lignin derivatives | Nhiem Cao, Kevin Oden | 2015-10-20 |
| 9156951 | Chemical modification of lignin and lignin derivatives | Nhiem Cao, Kevin Oden | 2015-10-13 |
| 9156952 | Chemical modification of lignin and lignin derivatives | Nhiem Cao, Kevin Oden | 2015-10-13 |
| 9000075 | Chemical modification of lignin and lignin derivatives | Nhiem Cao, Kevin Oden | 2015-04-07 |
| 8865802 | Chemical modification of lignin and lignin derivatives | Nhiem Cao, Kevin Oden | 2014-10-21 |
| 8809426 | Chemical modification of lignin and lignin derivatives | Nhiem Cao, Kevin Oden | 2014-08-19 |
| 5900479 | Chitin-based coatings | Gamini S. Samaranayake, Ackah Toffey | 1999-05-04 |
| 5874551 | Method of making ester-crosslinked chitosan support materials and products thereof | Rajesh Jain | 1999-02-23 |
| 5864025 | Method of making magnetic, crosslinked chitosan support materials and products thereof | Rajesh Jain | 1999-01-26 |
| 5770712 | Crosslinked hydrogel beads from chitosan | Swapan Roy, Jason G. Todd | 1998-06-23 |
| 5530111 | Chemical modification of shaped hydrogels in non-aqueous medium | Charles Frazier, Gamini S. Samaranayake | 1996-06-25 |
| 5523398 | Cellulose derivatives with a low degree of substitution | Gamini S. Samaranayake, James E. Sealey, II | 1996-06-04 |
| 5430142 | Thermoplastic pentosan-rich polysaccharides from biomass | Rajesh Jain, Markku A. Sjostedt | 1995-07-04 |
| 5328603 | Lignocellulosic and cellulosic beads for use in affinity and immunoaffinity chromatography of high molecular weight proteins | William H. Velander, Jeffrey A. Kaster | 1994-07-12 |
| 5102991 | Alkylene oxide esters of lignin sulfonic acid | Kaliprasanna Dhara | 1992-04-07 |
| 5102992 | Method of producing prepolymers from hydroxyalkyl lignin derivatives | Willer de Oliveira, Stephen S. Kelley, Li S. Nieh | 1992-04-07 |
| 5066790 | Method of producing star-like polymers from lignin | Willer de Oliveira, Stephen S. Kelley, Li S. Nieh | 1991-11-19 |
| 4918167 | Method of producing prepolymers from hydroxyalkyl lignin derivatives | Willer de Oliveira, Stephen S. Kelley, Li S. Nieh | 1990-04-17 |