Newark, DE, United States of America

James Bernard Sieja

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1994-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Bernard Sieja. Retrieved from https://idiyas.com/inventor/james-bernard-sieja

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 = 1

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1994-1999

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2 patents (USPTO):Explore Patents

Title: Innovator Spotlight: James Bernard Sieja

Introduction: James Bernard Sieja is an accomplished inventor based in Newark, DE, known for his contributions to the field of chemistry. With a remarkable portfolio that includes two patents, Sieja has demonstrated his prowess in innovative solutions that enhance processes in chemical manufacturing.

Latest Patents: Among Sieja's recent patents is a groundbreaking process for reproducing a mixture containing cyclododecanone. This invention details a method for catalytically decomposing cyclododecyl hydroperoxide into cyclododecanone and cyclododecanol using a chromium catalyst. This innovation promises to improve efficiency and reduce cost in chemical applications. Additionally, his second patent focuses on the purification of 2-methylglutaronitrile or adiponitrile. The process involves the removal of boron residues by adding an alcohol or amino alcohol, followed by recovering the nitrile via distillation. This method enhances the purity of nitrile compounds, making them more suitable for industrial use.

Career Highlights: Sieja is currently affiliated with E.I. du Pont de Nemours and Company, a leading global science and technology company. His work at DuPont highlights his commitment to advancing chemical processes and fostering innovation within the industry.

Collaborations: Throughout his career, Sieja has collaborated with notable coworkers, including John Joseph Ostermaier and Howard W. Anderson. These partnerships have undoubtedly contributed to the success of his research and patent development.

Conclusion: James Bernard Sieja exemplifies the spirit of innovation within the chemical industry. With his notable patents and impactful career at E.I. du Pont de Nemours and Company, he continues to inspire future advancements in chemistry and manufacturing processes. His work not only highlights the importance of creativity in scientific endeavors but also sets a benchmark for aspiring inventors in the field.

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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