Vernon Hills, IL, United States of America

Yuhua Yan

This inventor holds 1 USPTO granted patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuhua Yan. Retrieved from https://idiyas.com/inventor/yuhua-yan-asksalqx

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 = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: Yuhua Yan and a Patent for Polyamide Ammonolysis Product Separation.

Introduction

Yuhua Yan is an inventor associated with Vernon Hills, Illinois, and E. I. du Pont de Nemours and Company. Her patent work addresses the separation of useful products formed during polyamide ammonolysis.

Latest Patents

Yan is credited with 1 patent, titled “Separation of the Products of Polyamide Ammonolysis.” The invention describes separating useful reaction products from an ammonolysis reactor’s output stream while minimizing the time that high-boiling polyamide intermediates remain in contact with amine-functional or other reactive monomer products.

Career Highlights

Yan’s patent reflects work on chemical process separation, with an emphasis on limiting contact between intermediate materials and reactive products during processing. The patent is associated with E. I. du Pont de Nemours and Company.

Collaborations

Yan’s listed coworker is Stuart Fergusson. The available information identifies this professional connection but does not specify their roles in developing the patented process.

Conclusion

Yuhua Yan’s patent focuses on improving the separation of products from polyamide ammonolysis by reducing contact between intermediates and reactive monomers.

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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