Location History:
- Fischbach, Taunus, DE (1976 - 1978)
- Fischbach, DE (1978)
- Kelkheim, DE (1978 - 1984)
- Frankfurt-am-Main, DE (1982 - 1990)
Company Filing History:
Years Active: 1976-1990
Title: The Innovative Contributions of Hans-Jurgen Arpe in Chemical Engineering
Introduction
Hans-Jurgen Arpe is a prominent inventor based in Frankfurt am Main, Germany, recognized for his significant contributions to the field of chemical engineering. With an impressive portfolio of 22 patents, Arpe has demonstrated a commitment to advancing technologies related to the isomerization processes of various compounds.
Latest Patents
Among his latest innovations, Arpe has developed a highly efficient process for isomerizing monochlorotoluenes and dichlorotoluenes. This process utilizes a zirconium-containing zeolite catalyst of the Pentasil type, which is notable for its exceptional activity and longevity. Specifically, his invention facilitates the creation of mixtures of 3-chlorotoluene and 4-chlorotoluene through the isomerization of 2-chlorotoluene. Furthermore, Arpe's methods extend to generating mixtures of 2,5-dichlorotoluene and 3,4-dichlorotoluene and preparing 2,4-dichlorotoluene from 3,4-dichlorotoluene.
Additionally, Arpe has pioneered a process for the isomerization of o-, m-, and p-toluidine. This innovation, also leveraging zirconium-containing zeolite catalysts of the Pentasil type, particularly emphasizes the efficient production of m-toluidine from o- and/or p-toluidine, showcasing his expertise in optimizing chemical reactions.
Career Highlights
Hans-Jurgen Arpe's career is marked by his association with Hoechst Aktiengesellschaft, a leading chemical company that has allowed him to explore and refine his inventions. His technical aptitude and innovative mindset have contributed positively to his company's reputation and success in the field.
Collaborations
Throughout his career, Arpe has collaborated with notable colleagues such as Ernst I. Leupold and Friedrich Wunder. These partnerships have fostered an environment of shared expertise and have enhanced the development of breakthrough technologies in chemical engineering.
Conclusion
The work of Hans-Jurgen Arpe exemplifies the impact of inventive minds in the field of chemical processes. His contributions, particularly in the area of isomerization using advanced zeolite catalysts, are a testament to his innovative thinking and dedication to the discipline. Through his patents and collaborations, Arpe continues to influence chemical engineering practices and drive forward the boundaries of innovation.