This inventor holds 2 USPTO granted patents. Top assignee: Korea Research Institute of Chemical Technology. Active years: 2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2008
Title: Innovations of Bong-Jun Chang
Introduction
Bong-Jun Chang is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of chemical technology, particularly through his innovative patents. With a total of 2 patents, his work focuses on advanced materials and chemical processes.
Latest Patents
One of his latest patents is a crosslinked polyvinyl alcohol-based polymer membrane and a process of its preparation. This invention discloses a novel polymer membrane that comprises two different compounds, which are crosslinked by irradiating light such as UV or electronic beams or through heat treatment. This process forms a covalent bond between double bonds, thereby providing improved properties such as chemical resistance and durability. The invention also relates to the preparation process of this membrane.
Another significant patent by Bong-Jun Chang is the manufacturing method of hexafluoropropylene oxide with high yield. This method involves a two-phase interfacial reaction between an organic phase containing hexafluoropropylene and an aqueous phase containing a hypochlorite oxidant. The presence of a phase-transfer catalyst and a non-ionic surfactant enhances the degree of emulsification and dispersion of the organic phase, increasing the contact interfacial area. This innovation ultimately improves the efficiency and yield of the reaction.
Career Highlights
Bong-Jun Chang is affiliated with the Korea Research Institute of Chemical Technology, where he continues to advance his research and development efforts. His work has garnered attention for its practical applications in various industries.
Collaborations
He has collaborated with notable coworkers such as Jong-Wook Ha and Kwang-Won Lee, contributing to a dynamic research environment that fosters innovation.
Conclusion
Bong-Jun Chang's contributions to chemical technology through his patents demonstrate his commitment to innovation and advancement in the field. His work not only enhances material properties but also improves chemical processes, showcasing the importance of research in driving technological progress.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile