Newark, DE, United States of America

Stephen D Williams

This inventor holds 3 USPTO granted patents. Top assignee: Montell North America Inc.. Active years: 1997-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen D Williams. Retrieved from https://idiyas.com/inventor/stephen-d-williams-pcx1tahd

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 = 2.3

ph-index = 3

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1997-1998

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3 patents (USPTO):Explore Patents

Title: The Innovations of Stephen D Williams

Introduction

Stephen D Williams is a notable inventor based in Newark, DE (US). He has made significant contributions to the field of polymer science, particularly in the development of advanced polypropylene materials. With a total of 3 patents to his name, Williams has demonstrated a commitment to innovation and excellence in his work.

Latest Patents

One of his latest patents focuses on "Radiation visbroken polypropylene and fibers made therefrom." This invention describes a propylene homopolymer that exhibits a stick-point of 30 cm or less during melt spinning. It also features an oligomer content of less than 1500 ppm without the need for postpolymerization treatment to remove oligomers. The melt flow rate of this polymer exceeds 300 dg/min, achieved through a radiation visbreaking process in a multistage fluidized bed reactor. The polymer undergoes irradiation in the substantial absence of oxygen, followed by a controlled multistage treatment in the presence of oxygen. This innovative process can also be applied to other propylene polymer materials, which can be utilized for various applications such as extrusion coating, film production, and injection molding.

Career Highlights

Stephen D Williams is currently employed at Montell North America Inc., where he continues to push the boundaries of polymer technology. His work has not only advanced the field but has also contributed to the development of new materials that have practical applications in various industries.

Collaborations

Williams has collaborated with talented individuals such as Hee Ju Yoo and Miriam R Drickman. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

In summary, Stephen D Williams is a distinguished inventor whose work in radiation visbroken polypropylene has the potential to revolutionize the polymer industry. His contributions reflect a deep understanding of material science and a dedication to advancing 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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