Princeton Junction, NJ, United States of America

Frank J Stiefel

This inventor holds 7 USPTO granted patents. Top assignee: Carter Wallace, Inc.. Active years: 1980-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frank J Stiefel. Retrieved from https://idiyas.com/inventor/frank-j-stiefel

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 = 1.0

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Princeton, NJ (US) (1981 - 1982)
  • Princeton Junction, NJ (US) (1980 - 1991)

Company Filing History:


Years Active: 1980-1991

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7 patents (USPTO):Explore Patents

Title: Innovations by Frank J. Stiefel: Pioneering Pharmaceutical Intermediates

Introduction

Frank J. Stiefel, a distinguished inventor based in Princeton Junction, NJ, has made significant contributions to the field of chemistry, particularly in pharmaceutical preparations. With a portfolio that boasts seven patents, his innovative work primarily focuses on the synthesis of complex organic compounds that serve as key intermediates in drug development.

Latest Patents

Among his recent patents are innovative methods for synthesizing 2-phenyl-1,3-propanediol. One patent details a novel approach to preparing 2-phenyl substituted-1,3-propanediols, which are essential intermediates for pharmaceutical preparations. Another patent presents an efficient methodology for producing 2-phenyl-1,3-propanediol and its dicarbamate, which demonstrates great potential for commercial production.

Career Highlights

Frank J. Stiefel currently works at Carter-Wallace, Inc., where he has been instrumental in developing cutting-edge pharmaceutical processes. His dedication to advancing chemical synthesis techniques has not only led to patent filings but also significantly impacted the efficiency and effectiveness of pharmaceutical manufacturing.

Collaborations

Throughout his career, Stiefel has collaborated with various research institutions and industry professionals, sharing his expertise in organic chemistry to foster innovation in drug development. These collaborations have facilitated the advancement of methodologies that enhance the production of pharmaceutical compounds.

Conclusion

With his impressive array of patents and a commitment to innovation, Frank J. Stiefel continues to be a pivotal figure in the field of pharmaceutical chemistry. His work not only exemplifies the role of inventors in advancing healthcare but also sets the stage for future breakthroughs in drug synthesis and development.

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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