This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Evonik Operations Gmbh. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Jürgen Berje: Innovator in Propanediol Preparation
Introduction
Jürgen Berje is a notable inventor based in Hanau, Germany. He has made significant contributions to the field of chemical engineering, particularly in the preparation of 1,2-propanediol. His innovative methods have the potential to enhance production efficiency in various industrial applications.
Latest Patents
Jürgen Berje holds a patent for a method for the preparation of 1,2-propanediol. This method involves reacting propene with hydrogen peroxide in the presence of a phase transfer catalyst and a heteropolytungstate. The process takes place in a liquid two-phase reaction mixture that includes an organic phase containing an alkylaromatic hydrocarbon solvent. The method efficiently separates the reaction mixture into an aqueous phase containing 1,2-propanediol and an organic phase. It also includes recycling the oxygen-depleted organic phase back into the reaction and recovering 1,2-propanediol from the aqueous phase. The reaction and separation are conducted in liquid-flooded vessels at a pressure sufficient to suppress gas desorption from the liquid reaction mixture. Additionally, the separated organic phase is treated with a stream of a non-flammable gas to desorb a portion of the dissolved oxygen before recycling, ensuring minimal loss of propene.
Career Highlights
Jürgen Berje is associated with Evonik Operations GmbH, where he applies his expertise in chemical processes. His work has contributed to advancements in the production of valuable chemical compounds, showcasing his commitment to innovation in the industry.
Collaborations
Jürgen collaborates with talented professionals such as Holger Wiederhold and David Bolz. Their combined efforts in research and development have fostered a productive environment for innovation.
Conclusion
Jürgen Berje's contributions to the preparation of 1,2-propanediol exemplify the impact of innovative thinking in chemical engineering. His patent reflects a significant advancement in production methods, highlighting the importance of collaboration and expertise in driving progress in the field.