Location History:
- Suwon-si, KR (2020)
- Daejeon, KR (2022 - 2023)
Company Filing History:
Years Active: 2020-2024
Title: Rai Ha Lee: Innovator in Polypropylene Resin Technology
Introduction
Rai Ha Lee is a notable inventor based in Daejeon, South Korea, recognized for his contributions to polymer science. With a portfolio that includes four patents, Rai has significantly advanced the technology surrounding polypropylene resin production, leading to more efficient and effective manufacturing processes.
Latest Patents
Among Rai Ha Lee's latest patents are innovative methods and compositions that enhance the production of polypropylene resin. One significant patent involves a supported catalyst for propylene polymerization. This invention combines a first transition metal compound, which is essential for producing crystalline polypropylene, and a second transition metal compound, which aids in creating rubbery polypropylene. This novel catalyst allows for the simultaneous production of both types of polypropylene in a single polymerization step.
Another important patent outlines a method for preparing high-melt-strength polypropylene resin. This process utilizes a metallocene catalyst system to simplify the polymer structure of a diene-modified polypropylene. The resulting hyperbranched polypropylene resin exhibits a branching index of 0.95 or less and a gel content of 3 wt % or less, providing an impressive melt strength of 5 g or more.
Career Highlights
Rai Ha Lee currently works for Lotte Chemical Corporation, a leading entity in the chemical industry known for its pioneering products. His role involves driving innovation in polymer technologies, contributing to the company's reputation for high-quality chemical solutions.
Collaborations
Throughout his career, Rai has collaborated with talented colleagues, notably Byung Hun Chae and Joon Keun Min. Together, they have synergistically worked on various projects, leading to advancements in the field of polymer chemistry and enhancing the company's competitive edge.
Conclusion
Rai Ha Lee stands out as a visionary inventor in the realm of polypropylene resin technology. His latest patents showcase his ability to deliver innovative solutions that not only simplify production processes but also improve the properties of the materials produced. His work at Lotte Chemical Corporation continues to shape the future of polymer science and industry.
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.