This inventor holds 1 USPTO granted patent. Top assignees: Wanhua Chemical (Ningbo) Co., Ltd., Wanhua Chemical Group Co., Ltd.. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2025
Title: Chao Dong: Innovator in Phosgene Preparation
Introduction
Chao Dong is a notable inventor based in Yantai, China. He has made significant contributions to the field of chemical engineering, particularly in the preparation of phosgene. His innovative work has led to the development of a unique catalyst and preparation method that enhances energy utilization.
Latest Patents
Chao Dong holds 1 patent for his invention titled "Catalyst for preparing phosgene and preparation method therefor, and method for preparation of phosgene and comprehensive utilization of energy thereof." This invention provides a detailed method for preparing phosgene, which includes stirring and soaking activated carbon in a modifying solution, followed by the addition of dimethyltin dichloride and chromium oxide powders. The process culminates in the preparation of a catalyst through heating and calcination of the pre-modified activated carbon.
Career Highlights
Throughout his career, Chao Dong has worked with prominent companies in the chemical industry. He has been associated with Wanhua Chemical (Ningbo) Co., Ltd. and Wanhua Chemical Group Co., Ltd. His experience in these organizations has allowed him to refine his expertise in chemical processes and innovations.
Collaborations
Chao Dong has collaborated with several professionals in his field, including Dongke Zhao and Yujie Zhou. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Chao Dong's contributions to the field of phosgene preparation demonstrate his innovative spirit and commitment to advancing chemical engineering. His work not only enhances the efficiency of phosgene production but also promotes energy utilization in the process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile