Willow Grove, PA, United States of America

David H Clemens

This inventor holds 9 USPTO granted patents. Top assignee: Rohm and Haas Company. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David H Clemens. Retrieved from https://idiyas.com/inventor/david-h-clemens

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 = 2.1

ph-index = 4

Forward Citations = 71(Granted Patents)


Company Filing History:


Years Active: 1976-1989

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9 patents (USPTO):Explore Patents

Title: **David H Clemens: A Pioneer in Ion Exchange Resin Technologies**

Introduction

David H Clemens, an innovative inventor based in Willow Grove, PA, has made significant contributions to the field of ion exchange resin technologies. With a total of nine patents to his name, Clemens has focused on advancing methods to purify condensate waters and enhance polymer formulations.

Latest Patents

Among his most recent patents, Clemens developed a "Method of Purifying Condensate Waters for Steam Regenerating Equipment." This method utilizes strong base ion exchange resins derived from crosslinked vinylbenzyl chloride polymers, specifically tailored for removing corrosion products from boiler condensate waters. Another notable patent is related to the "Preparation, Polymerization, and Use of New Bis-Vinylbenzyl Nitrogenous" compounds. This invention addresses the creation of vinylbenzyl and crosslinking bis-(vinylbenzyl) monomers, focusing on their role in preparing polymers, particularly ion exchange resins.

Career Highlights

Clemens has spent his professional career at Rohm and Haas Company, where he has been instrumental in developing advanced materials that contribute to industrial processes and water treatment. His expertise in polymer chemistry and ion exchange technology has set him apart in the field.

Collaborations

Throughout his career, David H Clemens collaborated with notable colleagues such as James Henry Barrett and Frank J Glavis, both of whom have left lasting impacts on the industry. Their collective efforts have driven forward innovations in chemical engineering and materials science.

Conclusion

David H Clemens continues to be a remarkable figure in the realm of innovations and inventions related to ion exchange technologies. His patents not only reflect his commitment to improving industrial processes but also highlight the importance of collaboration and continued research in developing effective solutions for modern challenges.

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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