G Unter Bartels

Title: G Unter Bartels: Innovator in Chemical Processes

Introduction

G Unter Bartels is a notable inventor based in Burgwedel, Germany. He has made significant contributions to the field of chemistry, particularly in the preparation of specialized chemical compounds. His work has led to the development of a patented process that showcases his expertise and innovation.

Latest Patents

G Unter Bartels holds a patent for a process for the preparation of 5-fluoroanthranilic alkyl esters and 5-fluoroanthranilic acid. This innovative process involves dissolving a 3-fluorobenzoic alkyl ester in sulfuric acid and reacting the solution with a nitrating acid at temperatures ranging from -10 degrees to 30 degrees Celsius. The method further includes the addition of water, separation of the nitrated reaction product, and subsequent reaction with hydrogen under elevated pressure in the presence of a platinum group metal catalyst. The process also allows for the distillation and hydrolysis of 5-fluoroanthranilic alkyl esters to yield 5-fluoroanthranilic acid.

Career Highlights

Throughout his career, G Unter Bartels has been associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work at Hoechst has enabled him to focus on innovative chemical processes that have practical applications in various fields.

Collaborations

G Unter Bartels has collaborated with notable colleagues, including Jochen Rapp and Siegfried Planker. These collaborations have contributed to the advancement of chemical research and development.

Conclusion

G Unter Bartels is a distinguished inventor whose work in chemical processes has led to significant advancements in the field. His patented process for the preparation of 5-fluoroanthranilic compounds exemplifies his innovative spirit and dedication to scientific progress.