Bernd Hupfeld

Title: Bernd Hupfeld: Innovator in Chemical Processes

Introduction

Bernd Hupfeld is a notable inventor based in Speyer, Germany. He has made significant contributions to the field of chemical processes, particularly in the preparation of specialized compounds. With a total of 5 patents to his name, Hupfeld's work has had a considerable impact on the industry.

Latest Patents

One of Hupfeld's latest patents involves the preparation of 2-(4-hydroxyphenoxy) propionates. This multi-stage catalytic process is designed to produce a 2-(4-hydroxyphenoxy)-propionate, specifically methyl 2-(4-hydroxyphenoxy)-propionate, with a purity exceeding 99%. The process entails esterifying the corresponding 2-(4-hydroxyphenoxy)-propionic acid with an excess amount of alcohol, such as methyl alcohol, across a series of 2 to 10 sequential stages. The conditions for this process include temperatures ranging from 20°C to 150°C and pressures between 0.05 to 5 bar, utilizing a distillable acid catalyst like hydrochloric acid. The final ester product is characterized by minimal water and halide content, ensuring high purity.

Career Highlights

Hupfeld's career is marked by his innovative approaches to chemical synthesis and his commitment to advancing the field. His work at BASF Aktiengesellschaft has positioned him as a key player in the development of new chemical processes. His patents reflect a deep understanding of both theoretical and practical aspects of chemistry.

Collaborations

Hupfeld has collaborated with esteemed colleagues such as Helmut Reichelt and Alexander Aumueller. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Bernd Hupfeld's contributions to chemical processes through his patents demonstrate his expertise and commitment to innovation. His work continues to influence the industry, paving the way for future advancements in chemical synthesis.