Company Filing History:
1 out of 19 
1 out of 18 
1 out of 7 Years Active: 2018-2019
Title: Changming Dong: Innovator in Polymer and Antibiotic Intermediate Technologies
Introduction
Changming Dong is a notable inventor based in Tianjin, China. He has made significant contributions to the fields of polymer science and pharmaceutical intermediates. With a total of 2 patents, his work focuses on enhancing the properties and applications of polymers and antibiotics.
Latest Patents
Changming Dong's latest patents include innovative technologies such as a polymer containing a carboxyl group, its preparation method, and its applications. This polymer exhibits high rigidity and hardness, effectively improving its mechanical properties. The carboxyl group serves as a main functional group, facilitating the preparation of a supported metal catalyst through a coordination reaction with heavy metals. This advancement enhances the stability of the catalyst, allowing for recycling without loss of catalytic activity, thereby reducing production costs and minimizing the loss of heavy metal active ingredients.
Another significant patent involves an intermediate compound for preparing rosuvastatin calcium. The preparation method utilizes the intermediate compound as a raw material, undergoing a series of reactions to yield rosuvastatin calcium. This method notably enhances stereoselectivity, purity, and yield, while being simple and cost-effective.
Career Highlights
Throughout his career, Changming Dong has worked with reputable organizations, including Asymchem Laboratories (Tianjin) Co., Ltd. His expertise in polymer chemistry and pharmaceutical development has positioned him as a key figure in his field.
Collaborations
Changming has collaborated with notable colleagues such as Hao Hong and Jiuyuan Li, contributing to various projects that leverage their combined expertise in innovation and research.
Conclusion
Changming Dong's contributions to polymer science and antibiotic intermediates demonstrate his commitment to advancing technology in these critical areas. His innovative patents reflect a deep understanding of material properties and their applications, making him a valuable inventor in the industry.