Location History:
- Yongin-si, KR (2014)
- Daejeon, KR (2013 - 2023)
Company Filing History:
4 out of 733 
1 out of 362 
1 out of 48 Years Active: 2013-2023
Title: Innovations of Sung Jae Na
Introduction
Sung Jae Na is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of polymer chemistry, particularly in the production of polypropylene and poly(alkylene carbonate). With a total of 5 patents to his name, his work has garnered attention for its innovative approaches and practical applications.
Latest Patents
One of his latest patents is a method for producing polypropylene. This method focuses on efficiently producing high-strength isotactic polypropylene with high crystallinity in a shorter polymerization time. The process involves polymerizing propylene in the presence of a catalyst composition that includes a Ziegler-Natta catalyst, an external electron donor, dialkylaluminum hydride, and trialkylaluminum. The resulting polypropylene has a xylene cold soluble content of 3 wt % or less.
Another notable patent is related to the preparation of poly(alkylene carbonate) containing cross-linked high molecular weight chains. This preparation is achieved through the alternating copolymerization of carbon dioxide and epoxide. By introducing a diepoxide compound into the copolymerization process, the average molecular weight of the copolymer is increased, resulting in a resin with high mechanical strength and rheological advantages.
Career Highlights
Sung Jae Na has worked with notable companies such as Sk Innovation Co., Ltd. and Kolon Industries, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the polymer industry.
Collaborations
Throughout his career, he has collaborated with talented individuals, including Bun Yeoul Lee and Ji Su Jeong. These partnerships have played a crucial role in advancing his research and development efforts.
Conclusion
Sung Jae Na's contributions to polymer chemistry through his innovative patents highlight his expertise and dedication to advancing the field. His work continues to influence the industry and pave the way for future innovations.
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.