This inventor holds 26 USPTO granted patents and 4 published patent applications and 10 EPO patents, primarily in Polyolefin Separator Technology. Top assignees: Lg Chem, Ltd, Lg Chemical Co., Ltd., Lg Chemical Ltd.. Active years: 2003-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tajeon, KR (2008)
- Taejeon, KR (2003 - 2013)
- Daejeon Metropolitan, KR (2013)
- Daejeon, KR (2009 - 2023)
Company Filing History:


Years Active: 2003-2026
Areas of Expertise:
Title: **Heon-Sik Song: Innovating in Polyolefin Separator Technology**
Introduction
Heon-Sik Song is a distinguished inventor based in Daejeon, South Korea, known for his contributions to the field of material science, particularly in developing innovative polyolefin separators. With an impressive portfolio of 25 patents, he has significantly impacted various industrial applications.
Latest Patents
Heon-Sik Song's latest patents encompass the development of a crosslinked polyolefin separator and its manufacturing methods. The first patent describes a crosslinked polyolefin separator that includes gels with longer sides measuring 50 μm or more, with a specific absorbance ratio standard deviation. The method involves preparing polyolefin porous membranes and applying a specific coating solution containing an initiator and alkoxy group-containing vinylsilane. This approach allows for uniform silane crosslinking, crucial for the functionality of the separator.
His second patent outlines a comprehensive method for manufacturing a crosslinked polyolefin separator, detailing steps such as introducing polyolefin, initiators, crosslinking catalysts, and diluting agents into an extruder, producing a silane-grafted polyolefin composition, and fabricating the final porous membrane through thermal and chemical processes. This innovative method reduces silane crosslinking on the surface of the separator, enhancing its performance.
Career Highlights
Throughout his career, Heon-Sik Song has worked with leading companies, notably LG Chem, Ltd. and LG Chemical Co., Ltd. These experiences have further honed his expertise in polymer science and application, driving his research in separator technology.
Collaborations
Heon-Sik has collaborated with talented coworkers, including Soon-Yong Park and You-Jin Kyung, fostering a rich environment of innovation and creativity. Their joint efforts have contributed to breakthroughs in material technology, particularly in separators essential for various applications.
Conclusion
In conclusion, Heon-Sik Song stands as a prominent figure in the field of innovations related to polyolefin separators. His extensive patent portfolio illustrates his dedication to advancing material technology, paving the way for future innovations in the industry. Through his collaborations and career achievements, Heon-Sik continues to inspire emerging inventors and contribute to a sustainable technological future.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile