Location History:
- Kyungki-do, KR (2005)
- Seoul, KR (2003 - 2014)
Company Filing History:
11 out of 146 
5 out of 787 
2 out of 12 Years Active: 2003-2014
Title: Innovations and Contributions of Young-Kil Chang
Introduction: Young-Kil Chang, based in Seoul, South Korea, is a prolific inventor with a remarkable portfolio of 21 patents. His groundbreaking work primarily focuses on methods of preparing complex compounds, particularly in the pharmaceutical field. Chang's contributions greatly impact the development of new medications and therapeutic agents.
Latest Patents: Young-Kil Chang's latest patents showcase his expertise in chemical synthesis and pharmaceutical innovation. One notable patent outlines a high-yield method for preparing highly pure (3S,4S)-4-((R)-2-(benzyloxy)tridecyl)-3-hexyl-2-oxetanone. This method utilizes a metal salt of (2S,3S,5R)-2-hexyl-3,5-dihydroxyhexadecanoic acid as an intermediate, showcasing a significant advancement in synthesis techniques. Another recent patent describes a novel, high-yield and low-cost method for preparing entecavir, an antiviral agent. This patent also introduces new intermediates that streamline the production process, reflecting Chang's innovative approach to pharmaceutical chemistry.
Career Highlights: Throughout his career, Young-Kil Chang has made significant strides in the pharmaceutical industry. He has worked with prominent companies such as Hanmi Pharmaceutical Company and Cheil Industries Inc., where he honed his skills and contributed to noteworthy projects. His focus on practical applications of chemical processes has led to the creation of valuable intellectual property, demonstrating his commitment to advancing medical science.
Collaborations: Young-Kil Chang has collaborated with notable colleagues in his field, including Gha-Seung Park and Gwan-Sun Lee. These partnerships have fostered an environment of innovation and creativity, resulting in cutting-edge inventions and furthering the reach of their collective research efforts.
Conclusion: Young-Kil Chang's impressive body of work exemplifies the spirit of innovation in the pharmaceutical industry. With 21 patents to his name, his contributions to synthesizing complex compounds have not only advanced scientific knowledge but also paved the way for more effective therapeutic agents. His collaborations and career achievements illustrate the importance of teamwork and dedication in driving progress in the field of medicine.