Zhejiang, China

Zhiwen Zeng

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Zhejiang Huahai Pharmaceutical Co., Ltd.. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zhiwen Zeng. Retrieved from https://idiyas.com/inventor/zhiwen-zeng

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 = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2015

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2 patents (USPTO):Explore Patents

Title: Zhiwen Zeng: Innovator in Pharmaceutical Chemistry

Introduction

Zhiwen Zeng is a notable inventor based in Zhejiang, China. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development and purification of rocuronium, a neuromuscular blocking agent used in anesthesia.

Latest Patents

Zhiwen Zeng holds 2 patents related to his innovative work. His latest patents include a preparation method of rocuronium, which involves using 2β-(4-Morpholinyl)-16β-(1-pyrrolidinyl)-5α-androstan-3α-ol-17β-acetate as a starting material. This method allows for the direct reaction with 3-bromopropene at ambient temperature to produce rocuronium. Additionally, he has developed a method for purifying rocuronium bromide. This method includes formulating crude rocuronium bromide into an aqueous solution, distilling off excess residue solvents at reduced pressure, and using active carbon or silica gel for absorption, followed by filtration and lyophilization to obtain purified rocuronium bromide.

Career Highlights

Zhiwen Zeng is currently associated with Zhejiang Huahai Pharmaceutical Co., Ltd., where he continues to advance his research and development efforts in pharmaceutical innovations. His work has been instrumental in enhancing the efficacy and safety of anesthetic agents.

Collaborations

Zhiwen collaborates with talented professionals in his field, including Peng Wang and Wenling Zhang. Their combined expertise contributes to the innovative projects at Zhejiang Huahai Pharmaceutical Co., Ltd.

Conclusion

Zhiwen Zeng's contributions to pharmaceutical chemistry, particularly in the preparation and purification of rocuronium, highlight his role as a key innovator in the industry. His work not only advances medical science but also improves patient care in anesthesia.

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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