This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Aurisco Pharmaceutical (Tianjin) Inc., Aurisco Pharmaceutical Co., Ltd.. Active years: 2026.
Company Filing History:
1 out of 1 
1 out of 1 Years Active: 2026
Title: Yongli Duan: Innovator in Thienopyrimidine Compounds
Introduction
Yongli Duan is a notable inventor based in Tianjin, China. He has made significant contributions to the field of chemistry, particularly in the development of high-purity thienopyrimidine compounds. His innovative approach to compound preparation has garnered attention in the pharmaceutical industry.
Latest Patents
Yongli Duan holds a patent for a high-purity thienopyrimidine compound and its preparation method. The patent outlines a process that includes reacting a specific compound in the presence of an organic base and acyl chloride to obtain a desired compound. The method is characterized by its use of non-toxic and cost-effective reagents, mild reaction conditions, and high product purity, making it suitable for industrial production.
Career Highlights
Throughout his career, Yongli Duan has worked with Aurisco Pharmaceutical (Tianjin) Inc. and Aurisco Pharmaceutical Co., Ltd. His experience in these companies has allowed him to apply his innovative methods in a practical setting, contributing to advancements in pharmaceutical chemistry.
Collaborations
Yongli Duan has collaborated with notable colleagues, including Wancheng Guo and Fuchang Zhang. These partnerships have facilitated the exchange of ideas and expertise, further enhancing his contributions to the field.
Conclusion
Yongli Duan's work in the development of thienopyrimidine compounds exemplifies the impact of innovation in the pharmaceutical industry. His patented methods and collaborative efforts continue to influence advancements in chemical research and production.