Wilmington, DE, United States of America

Dennis Gerard Madeleine

This inventor holds 5 USPTO granted patents and 6 published patent applications and 1 EPO patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1990-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis Gerard Madeleine. Retrieved from https://idiyas.com/inventor/dennis-gerard-madeleine

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

USPTO Granted Patents = 5 

% Patents Active = 40.0

 

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 30(Granted Patents)


Location History:

  • Cherry Hill, NJ (US) (1990)
  • Wilmington, DE (US) (2014 - 2016)

Company Filing History:


Years Active: 1990-2016

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5 patents (USPTO):Explore Patents

Title: Innovations by Dennis Gerard Madeleine: A Spotlight on Poly(trimethylene terephthalate)

Introduction

Dennis Gerard Madeleine, an accomplished inventor based in Wilmington, DE, has made significant contributions to the field of polymer processing. With a portfolio of five patents, Dennis focuses primarily on advancements in the preparation of poly(trimethylene terephthalate), a key material used in various applications.

Latest Patents

Among his latest inventions, Dennis has developed a novel process for preparing pellets of poly(trimethylene terephthalate). This innovative method involves creating a radial temperature gradient in an extruded strand, which ensures the surface solidifies while the interior remains above the cold crystallization temperature. This technique facilitates better crystallization of the surface after appropriate heating, culminating in a highly efficient pelletization process.

Additionally, he has designed an apparatus for preparing these pellets, featuring an extrusion means, a pelletizer, and a specifically designed trough. This apparatus includes a water dispensing system to manage the cooling of the polymer strand effectively, ensuring quality control during production.

Career Highlights

Dennis is associated with E.I. du Pont de Nemours and Company, a leading entity in the development of advanced materials and chemicals. His work has directly influenced the efficiency and quality of polymer production processes, showcasing his expertise in the field.

Collaborations

Throughout his career, Dennis has collaborated with talented colleagues such as John Harvey Eng and Michael Joseph Molitor. Together, they have contributed to innovative solutions within their company, enhancing the technological landscape of polymer processing.

Conclusion

In conclusion, Dennis Gerard Madeleine stands out as a pioneering figure in the realm of polymer inventions. His latest patents reflect a commitment to innovation and collaboration, further establishing him as a critical asset in the industry. As the demand for advanced materials continues to grow, Dennis's contributions will likely play a significant role in shaping the future of polymer technology.

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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