Erhard Leistner

Title: Erhard Leistner: Innovator in Chemical Separation Processes

Introduction

Erhard Leistner is a notable inventor based in Braunfels, Germany. He has made significant contributions to the field of chemical engineering, particularly in the area of separation processes. With a total of three patents to his name, Leistner's work has had a considerable impact on the industry.

Latest Patents

Leistner's latest patents focus on innovative methods for the separation of dimethyl ether and chloromethane. One of his patents describes a process that utilizes two distillation steps. In the first step, the mixture undergoes extractive distillation with water, aqueous salt solutions, or organic liquids as extractants, resulting in chloromethane as the top product. The second step involves the separation of dimethyl ether from the extractant. Another patent outlines a process for the preparation and fractionation of a mixture of dimethyl ether and chloromethane, also using extractive distillation with water as the extractant. This process begins with the reaction of methanol with hydrogen chloride, leading to the production of chloromethane as the top product.

Career Highlights

Erhard Leistner is associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work at Hoechst has allowed him to develop and refine his innovative separation processes, contributing to advancements in chemical engineering.

Collaborations

Throughout his career, Leistner has collaborated with esteemed colleagues such as Peter M Roth and Hans Haverkamp. These collaborations have fostered a productive environment for innovation and have led to the development of significant chemical processes.

Conclusion

Erhard Leistner's contributions to the field of chemical separation processes are noteworthy. His innovative patents and collaborations have advanced the industry and showcased his expertise in chemical engineering. His work continues to influence the field and inspire future innovations.