Location History:
- TEDA Tianjin, CN (2018)
- Tianjin, CN (2018 - 2020)
Company Filing History:
3 out of 19 
3 out of 7 
3 out of 12 Years Active: 2018-2020
Title: Innovations and Contributions of Jiuyuan Li
Introduction
Jiuyuan Li is a notable inventor based in Tianjin, China. He has made significant contributions to the field of chemistry, particularly in the development of novel preparation methods for various chemical compounds. With a total of four patents to his name, his work has implications in pharmaceuticals and materials science.
Latest Patents
One of Jiuyuan Li's latest patents is a preparation method for a chiral intermediate for use in statins. This invention involves a series of reactions, including etherification, condensation, substitution, and asymmetric reduction, utilizing chloroacetic acid and benzyl alcohol as starting materials. The method offers a novel synthesis route, allowing for the convenient introduction of an intermediate compound into the chiral center of a glycol via enzyme reduction. This process is not only cost-effective but also ensures high quality and purity of the final product.
Another significant patent involves a polymer containing a carboxyl group, along with its preparation method and applications. This polymer exhibits high rigidity and hardness, enhancing its mechanical properties. The carboxyl group serves as a main functional group, facilitating the preparation of a supported metal catalyst through coordination reactions with heavy metals. This innovation improves the stability of the catalyst, allowing for recycling without loss of catalytic activity, thereby reducing production costs.
Career Highlights
Jiuyuan Li has worked with prominent companies such as Asymchem Laboratories (Tianjin) Co., Ltd. and Tianjin Asymchem Pharmaceutical Co., Ltd. His experience in these organizations has contributed to his expertise in chemical processes and innovations.
Collaborations
Throughout his career, Jiuyuan Li has collaborated with notable colleagues, including Hao Hong and Gage James. These partnerships have likely fostered a collaborative environment that enhances innovation and research.
Conclusion
Jiuyuan Li's contributions to the field of chemistry through his patents and collaborations highlight his role as an influential inventor. His innovative methods and dedication to improving chemical processes continue to impact the industry positively.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.