Yantai, China

Chaoqun Li

This inventor holds 1 USPTO granted patent. Top assignees: Wanhua Chemical (Ningbo) Co., Ltd., Wanhua Chemical Group Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chaoqun Li. Retrieved from https://idiyas.com/inventor/chaoqun-li-oecgdigj

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 10.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Chaoqun Li: Innovator in Phosgene Preparation

Introduction

Chaoqun Li 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 approach has led to the development of a unique catalyst and preparation method that enhances energy utilization.

Latest Patents

Chaoqun Li 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 heating and calcination of the dried pre-modified activated carbon to create the catalyst.

Career Highlights

Throughout his career, Chaoqun Li 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 work in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in chemical processes.

Collaborations

Chaoqun Li has collaborated with several professionals in his field, including Chao Dong and Dongke Zhao. These collaborations have fostered a productive environment for innovation and development in chemical engineering.

Conclusion

Chaoqun Li's contributions to the preparation of phosgene through his innovative catalyst and methods highlight his role as a significant inventor in the chemical industry. His work not only advances scientific knowledge but also enhances practical applications in energy utilization.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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