Location History:
- Mississippi State, MI (US) (1990)
- Blacksburg, VA (US) (1991)
- Mississippi State, MS (US) (1992)
Company Filing History:
3 out of 142 
2 out of 68 
Years Active: 1990-1992
Title: The Innovative Contributions of Li S Nieh
Introduction
Li S Nieh is a notable inventor based in Mississippi State, MI (US), recognized for his significant contributions to the field of polymer science. With a total of three patents to his name, Nieh has developed innovative methods that utilize lignin, a natural polymer, to create useful prepolymeric materials.
Latest Patents
Li S Nieh's latest patents include a method of producing prepolymers from hydroxyalkyl lignin derivatives. This method involves using lignin that has been hydroxyalkyl modified, making it substantially non-phenolic and solvent soluble. The modified lignin is then reacted with materials that yield prepolymers, which can be polymerized using established methods to produce valuable polymers. Another significant patent is the method of producing star-like polymers from lignin, which follows a similar approach to the first patent, emphasizing the versatility and potential of lignin-based materials in polymer production.
Career Highlights
Throughout his career, Li S Nieh has worked with esteemed organizations such as the Center for Innovative Technology and Virginia Polytechnic Institute and State University. His work in these institutions has allowed him to advance his research and contribute to the development of innovative materials.
Collaborations
Li S Nieh has collaborated with notable colleagues, including Wolfgang G Glasser and Willer De Oliveira. These partnerships have fostered a collaborative environment that enhances the research and development of new materials.
Conclusion
Li S Nieh's innovative work in the field of polymer science, particularly with lignin, showcases his commitment to advancing material science. His patents reflect a deep understanding of polymer chemistry and a dedication to creating sustainable materials.