John A Werner

Title: John A Werner: Innovator in Chemical Synthesis

Introduction

John A Werner is a notable inventor based in Antioch, CA (US). He has made significant contributions to the field of chemical synthesis, holding a total of 6 patents. His work primarily focuses on the preparation of novel chemical compounds that serve as intermediates in various applications.

Latest Patents

Among his latest patents, one is titled "Preparation of 2,3-dichloro-5-trichloromethylpyridine." This patent describes a method for producing this compound in high yields and purity by chlorinating 2-chloro-5-trichloromethylpyridine at temperatures ranging from 70°C to 250°C in the presence of a catalyst containing molybdenum, tungsten, or ruthenium compounds. Another significant patent is for "2,3-difluoro-5-(trifluoromethyl)pyridine," which details a novel method for fluorinating 3-chloro-2-fluoro-5-(trifluoromethyl)pyridine under favorable conditions. This compound is particularly useful as a chemical intermediate in the preparation of herbicides.

Career Highlights

John A Werner is currently employed at The Dow Chemical Company, where he continues to innovate and develop new chemical processes. His expertise in chemical synthesis has positioned him as a valuable asset to his team and the industry at large.

Collaborations

Throughout his career, John has collaborated with several talented individuals, including Charles A Wilson and Craig E Mixan. These collaborations have further enhanced his research and development efforts.

Conclusion

John A Werner's contributions to chemical synthesis through his patents and work at The Dow Chemical Company highlight his role as an influential inventor in the field. His innovative approaches continue to pave the way for advancements in chemical applications.