Portage, MI, United States of America

Francis L Shenton

This inventor holds 2 USPTO granted patents. Top assignee: The Upjohn Co.. Active years: 1978-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis L Shenton. Retrieved from https://idiyas.com/inventor/francis-l-shenton

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1978-1982

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Francis L. Shenton

Introduction

Francis L. Shenton is a notable inventor based in Portage, MI (US). He has made significant contributions to the field of chemistry, particularly in the development of processes that enhance the yield of important chemical compounds. With a total of 2 patents, Shenton's work has implications in the pharmaceutical industry, especially in the synthesis of ibuprofen.

Latest Patents

Shenton's latest patents include innovative methods for the preparation of diesters and the resolution of aminonitriles. One of his patents describes a process for preparing a diester of α-acetyl-α'-methylsuccinic acid under substantially anhydrous conditions. This method minimizes decomposition and improves yield by utilizing a specific solvent mixture and a phase transfer agent. The resulting diesters serve as intermediates in the synthesis of ibuprofen, showcasing the practical applications of his work. Another patent focuses on a chemical method for obtaining optically pure 2-aminonitriles or 2-aminoamides from racemic mixtures, achieving yields greater than 70 percent in a short time frame.

Career Highlights

Shenton has had a distinguished career at The Upjohn Company, where he has been able to apply his innovative ideas in a corporate setting. His work has not only advanced chemical processes but has also contributed to the development of pharmaceuticals that benefit society.

Collaborations

Shenton has collaborated with Thomas A. Hylton, a fellow inventor, to further enhance the scope of their research and development efforts. Their partnership has likely led to the refinement of techniques and the exploration of new chemical applications.

Conclusion

Francis L. Shenton's contributions to the field of chemistry through his patents and collaborative efforts have made a lasting impact on pharmaceutical development. His innovative approaches continue to influence the industry and pave the way for future advancements.

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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