Herbert Muller

Title: Herbert Muller: Innovator in Chemical Processes

Introduction

Herbert Muller is a notable inventor based in Kreuzau, Germany. He has made significant contributions to the field of chemistry, particularly in the development of innovative processes for synthesizing chemical compounds. With a total of 3 patents to his name, Muller has established himself as a key figure in his industry.

Latest Patents

Muller's latest patents include a process for preparing nucleus-halogenated benzoyl chlorides and a method for the preparation of 4-fluorothiophenol. The latter patent describes a detailed procedure where 4-fluorobenzenesulphonyl chloride is reacted with sodium hydrogen sulphite solution to produce sodium 4-fluorobenzenesulphinate. This solution is then reduced with sulphur dioxide to yield 4,4'-difluorodiphenyl disulphide, which is subsequently reacted with sodium borohydride in a water-miscible inert organic solvent to produce 4-fluorothiophenol (sodium salt). Free 4-fluorothiophenol can be isolated from the sodium salt solution through acidification.

Career Highlights

Herbert Muller is currently employed at Bayer Aktiengesellschaft, a leading global company in the pharmaceutical and life sciences sector. His work at Bayer has allowed him to focus on innovative chemical processes that have practical applications in various industries.

Collaborations

Muller has collaborated with several esteemed colleagues, including Reinhold Gehring and Georg Hardenbicker. These partnerships have contributed to the advancement of his research and the successful development of his patented processes.

Conclusion

Herbert Muller is a distinguished inventor whose work in chemical processes has led to significant advancements in the field. His contributions, particularly in the synthesis of 4-fluorothiophenol, showcase his innovative spirit and dedication to scientific progress.