Company Filing History:
Years Active: 1995-1996
Title: The Innovative Contributions of Li Ja
Introduction
Li Ja is a prominent inventor based in Chicago, IL (US), known for his significant contributions to the field of polymer chemistry. With a total of 2 patents, he has made strides in developing advanced catalysts for olefin polymerization. His work is instrumental in enhancing the efficiency and effectiveness of polymer production processes.
Latest Patents
Li Ja's latest patents include a metallocene catalyst containing a bulky organic group. This innovative catalyst comprises a cyclopentadienyl-type ligand, a Group IVB transition metal, and alkyl, aryl, or hydride substituents as a cation. Additionally, it features a weakly coordinating anion that includes boron substituted with halogenated aryl substituents, preferably containing silylalkyl substitution. Another notable patent is for a sterically shielded diboron-containing metallocene olefin polymerization catalyst. This catalyst utilizes a non-coordinating anion, which is particularly effective when combined with a cyclopentadienyl-substituted metallocene cation component, such as a zirconocene metallocene.
Career Highlights
Li Ja is affiliated with Northwestern University, where he conducts research and develops innovative solutions in polymer chemistry. His work has garnered attention for its potential applications in various industries, including plastics and materials science.
Collaborations
Li Ja collaborates with esteemed colleagues, including Tobin Jay Marks and Xinmin Yang, who contribute to his research endeavors and enhance the impact of his work.
Conclusion
Li Ja's contributions to the field of polymer chemistry through his innovative patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in olefin polymerization and catalyst development.