Kedzierzyn-Kozle, Poland

Eugeniusz Zajac

This inventor holds 2 USPTO granted patents. Top assignees: Instytut Ciezkiej Syntezy Organicznej 'Blachownia', Zaklady Chemiczne 'Blachownia', Abb Lummus Crest, Inc.. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eugeniusz Zajac. Retrieved from https://idiyas.com/inventor/eugeniusz-zajac

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 = 9.9

ph-index = 2

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1990-1993

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2 patents (USPTO):Explore Patents

Title: Eugeniusz Zajac: Innovator in Bisphenol A Production

Introduction

Eugeniusz Zajac is a notable inventor based in Kedzierzyn-Kozle, Poland. He has made significant contributions to the field of chemical engineering, particularly in the production of bisphenol A. With a total of 2 patents to his name, Zajac's work has had a considerable impact on the industry.

Latest Patents

Zajac's latest patents include a method to manufacture bisphenol A and a process for its production. The first patent describes a process for obtaining high purity bisphenol from a post-reaction mixture resulting from the synthesis of phenol and acetone. This method involves crystallization and separation by distillation, followed by the recovery of bisphenol A through thermal catalytic decomposition of by-products. The second patent outlines a process for producing bisphenol A from phenol and acetone, utilizing a reaction mixture that includes a cation-exchange resin catalyst. This innovative approach maintains specific temperature and concentration parameters to optimize the yield of bisphenol A.

Career Highlights

Throughout his career, Zajac has worked with prominent organizations such as the Institute of Heavy Organic Synthesis "Blachownia" and Chemical Works "Blachownia." His experience in these institutions has allowed him to refine his expertise in chemical processes and contribute to advancements in the field.

Collaborations

Zajac has collaborated with notable colleagues, including Maciej Kiedik and Jerzy Marszycki. These partnerships have fostered a collaborative environment that has led to innovative solutions in bisphenol A production.

Conclusion

Eugeniusz Zajac's contributions to the field of chemical engineering, particularly in bisphenol A production, highlight his innovative spirit and dedication to advancing industrial processes. His patents and collaborations reflect a commitment to excellence in his work.

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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