This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Shanghai Chemrun Co. Ltd., Chinese Academy of Sciences. Active years: 2016-2021.
Company Filing History:
Years Active: 2016-2021
Title: Innovations of Junfang Li in Polyolefin Catalysis
Introduction
Junfang Li is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of polyolefin catalysis, holding a total of 3 patents. His work focuses on developing innovative catalytic systems that enhance the efficiency of producing high-performance lubricants and processing aids.
Latest Patents
One of Junfang Li's latest patents is titled "Polyolefin catalyst and use thereof." This invention discloses a new polyolefin catalyst and its preparation. Specifically, it introduces a catalytic system comprising a complex of iron, cobalt, nickel, palladium, and platinum. This system allows for the efficient production of oily polyethylene from simple olefins like ethylene under mild conditions. The resulting highly branched oily alkane mixture can be obtained after hydrogenation and is suitable for use as a processing aid and a high-performance lubricant base oil. Additionally, the invention provides methods for preparing the catalyst, the oily alkane mixture, and functional polyolefin oil.
Another significant patent is the "Catalytic system for preparation of high branched alkane from olefins." This invention features a catalytic system that includes novel nickel or palladium complexes. It enables the efficient production of highly branched oily alkane mixtures from olefins, such as ethylene, under mild conditions. The resulting alkane mixture has a low bromine number and can be utilized as a processing aid and lubricant base oil with high performance. The patent also outlines methods for preparing the catalyst and an oily olefin polymer.
Career Highlights
Junfang Li has worked with notable organizations, including Shanghai Chemrun Co. Ltd. and the Chinese Academy of Sciences. His experience in these institutions has allowed him to advance his research and contribute to the field of catalysis significantly.
Collaborations
Throughout his career, Junfang Li has collaborated with esteemed colleagues, including Yong Tang and Wenjie Tao. These partnerships have fostered innovation and the development of new technologies in polyolefin catalysis.
Conclusion
Junfang Li's contributions to polyolefin catalysis through his innovative patents and collaborations highlight his role as a leading inventor in this field. His work continues to influence the development of high-performance lubricants and processing aids, showcasing the importance of innovation in chemical engineering.