Company Filing History:
Years Active: 2000-2002
Title: Innovations of Doo-Chan Na in Chemical Manufacturing
Introduction
Doo-Chan Na is a prominent inventor based in Ulsan, South Korea. He has made significant contributions to the field of chemical manufacturing, particularly in the production of lithium hexafluoro phosphate and perfluoroethane. With a total of 2 patents to his name, Na's work showcases innovative methods that enhance the efficiency and purity of chemical processes.
Latest Patents
Doo-Chan Na's latest patents include a manufacturing method for lithium hexafluoro phosphate. This method utilizes phosphorous pentachloride, lithium chloride, and hydrogen fluoride as raw materials. The process involves reacting phosphorous pentafluoride with hydrogen fluoride to prepare phosphorous pentafluoride, followed by a reaction with lithium chloride in hydrogen fluoride to produce lithium hexafluoro phosphate. The use of anhydrous hydrogen fluoride, treated to remove moisture, ensures high yield and purity of the final product.
Another notable patent is the manufacturing method for perfluoroethane. This method produces high-purity perfluoroethane from hydrofluoroethane using cobalt difluoride as a catalyst. The process involves activating cobalt difluoride into cobalt trifluoride through a reaction with fluorine gas. The hydrofluoroethane is then converted into perfluoroethane at elevated temperatures, resulting in a product that is safer and less corrosive than traditional methods.
Career Highlights
Doo-Chan Na is associated with Ulsan Chemical Co., Ltd., where he applies his expertise in chemical manufacturing. His innovative approaches have contributed to advancements in the industry, particularly in the production of high-purity chemicals.
Collaborations
Na has collaborated with notable coworkers, including Byung-Won Woo and Soon-Hong Park. Their combined efforts have led to significant developments in the field of chemical manufacturing.
Conclusion
Doo-Chan Na's contributions to chemical manufacturing through his innovative patents demonstrate his commitment to advancing the industry. His work not only enhances production methods but also ensures the safety and purity of chemical products.