Shanghai, China

Dafeng Li

This inventor holds 3 USPTO granted patents and 5 published patent applications and 1 EPO patent. Top assignees: Coval Biopharma (Shanghai) Co., Ltd., Pharmaresources (Shanghai) Co., Ltd., Shenzhen Yinwang Intelligent Technologies Co., Ltd.. Active years: 2020-2026.

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

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.1

ph-index = 1


Company Filing History:


Years Active: 2020-2026

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3 patents (USPTO):Explore Patents

Title: Innovations of Dafeng Li in Pharmaceutical Chemistry

Introduction

Dafeng Li is a notable inventor based in Shanghai, China, recognized for his contributions to pharmaceutical chemistry. He has been instrumental in developing innovative compounds that address significant medical needs, particularly in the field of anti-inflammatory drugs.

Latest Patents

Dafeng Li holds two patents that showcase his expertise and innovative spirit. The first patent is for an anti-inflammatory coupling compound drug, which includes a preparation method and its use. This compound features a structural formula of A-Y—B, where A represents a dehydrogenated amine compound with JAK inhibitory activity, Y indicates a direct connection or —(CH2)-O—, and B is formed through dehydroxylation of a carboxy-containing compound or dehydrogenation of a hydroxy-containing compound. This compound is noted for its strong transdermal properties, controlled drug release, and high efficacy. The second patent describes a novel process for the preparation of lactone derivatives and their intermediates. These lactone derivatives are crucial precursors for synthesizing anti-hepatitis C virus agents, including sofosbuvir.

Career Highlights

Throughout his career, Dafeng Li has worked with prominent companies in the pharmaceutical industry. He has been associated with Coval Biopharma (Shanghai) Co., Ltd. and Pharmaresources (Shanghai) Co., Ltd., where he has contributed to various research and development projects.

Collaborations

Dafeng Li has collaborated with several professionals in his field, including Lichun Feng and Weijiang Zhang. These collaborations have further enhanced his research and innovation capabilities.

Conclusion

Dafeng Li's work in developing anti-inflammatory compounds and lactone derivatives highlights his significant contributions to pharmaceutical chemistry. His innovative approaches and collaborations continue to impact the field positively.

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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