Location History:
- Martinsville, VA (US) (1987)
- Chesterfield, NJ (US) (2000)
- Chesterfield, VA (US) (1987 - 2001)
- Milothian, VA (US) (2014)
- Midlothian, VA (US) (2000 - 2017)
Company Filing History:
28 out of 16,338 
4 out of 17,164 
2 out of 42 
Years Active: 1987-2025
Title: Profile of Hyun Sung Lim: Innovator in Air Filtration and Hydrocarbon Recovery
Introduction: Hyun Sung Lim, based in Midlothian, VA, is a prolific inventor with an impressive portfolio of 35 patents. His work primarily focuses on enhancing air filtration technologies and methods for recovering hydrocarbon fluids, demonstrating his commitment to practical and sustainable innovations.
Latest Patents: Among his most recent inventions is an electret nanofibrous web designed for use as an air filtration medium. This patent describes an improved filtration medium that comprises a single layer polymeric nanofibrous web featuring a randomly intermingled fiber network with an electrostatic charge of up to -20 kV, ensuring a filtration efficiency range between 70% and 99.99%. It also boasts an air resistance of less than 2.5 mm wg for 0.3 micron particles, made possible through a centrifugal melt spinning process. Another significant patent details a method for recovering hydrocarbon fluids using hydraulic fracturing. This innovative process recovers a fluid stream containing various hydrocarbon species, produced water, and contaminants, leading to the effective separation of hydrocarbon species and the production of a permeate stream from a filter medium.
Career Highlights: Hyun has made notable contributions while working with esteemed organizations such as E.I. Dupont De Nemours and Company and The Procter & Gamble Company. His ingenuity and expertise in material science and fluid dynamics have positioned him as a leader in his field.
Collaborations: Throughout his career, Hyun Sung Lim has collaborated with talented individuals including George Joseph Ostapchenko and David Charles Jones. These partnerships have further enriched his work, allowing for the exchange of ideas and the development of groundbreaking technologies.
Conclusion: Hyun Sung Lim's extensive experience and innovative spirit have greatly impacted the fields of air filtration and hydrocarbon recovery. His patents not only reflect his dedication to environmental sustainability but also provide practical solutions to some of today’s pressing challenges. His continued advancements promise to lead to significant improvements in technology and industry practices.
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.