Chicago, IL, United States of America

Frederick J Sibert

This inventor holds 3 USPTO granted patents. Top assignee: Nalco Chemical Company. Active years: 1978-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frederick J Sibert. Retrieved from https://idiyas.com/inventor/frederick-j-sibert

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 = 2.0

ph-index = 2

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1978-1988

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3 patents (USPTO):Explore Patents

Title: The Innovations of Frederick J. Sibert

Introduction

Frederick J. Sibert is a notable inventor based in Chicago, IL (US), recognized for his contributions to chemical engineering and innovative solutions in boiler technology. With a total of 3 patents, his work has significantly impacted the field of water treatment and catalysis.

Latest Patents

Sibert's latest patents include advancements in copper chelants and dispersants, which are crucial for improving boiler water quality. His invention discloses a method of enhancing boiler water constitution by introducing a copper transport agent, such as rubeanic acid or a low molecular weight polymer. This agent effectively separates copper from other heavy metals, ensuring high selectivity. The chelant can be added in a ratio of 100/1 to 10/1 chelant to copper, with an optimal polymer ratio of 50/1 ppm active polymer to 1 ppm Cu. This innovation not only aids in removing copper through boiler blowdown but also adds an anti-corrosion factor to galvanized boiler systems.

Another significant patent involves a catalyst made from an activated copper-zinc alloy, consisting of 30% copper and 70% zinc. This catalyst, activated with alkali metal hydroxide, is utilized for the catalytic hydrolysis of acrylonitrile to acrylamide under liquid phase conditions, showcasing Sibert's versatility in chemical applications.

Career Highlights

Frederick J. Sibert has made substantial contributions to Nalco Chemical Company, where he has applied his expertise in chemical processes and innovations. His work has been instrumental in developing solutions that enhance industrial efficiency and safety.

Collaborations

Throughout his career, Sibert has collaborated with esteemed colleagues, including Louis A. Goretta and Mei-Jan L. Lin. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Frederick J. Sibert's innovative patents and contributions to the field of chemical engineering highlight his role as a significant inventor. His work continues to influence advancements in boiler technology and catalysis, showcasing the importance of innovation in industrial applications.

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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