Terrill E Applebury

Title: Terrill E Applebury: Innovator in Polychlorodipyridoimidazolium Compounds

Introduction

Terrill E Applebury is a notable inventor based in Lafayette, CA (US). He has made significant contributions to the field of chemistry, particularly in the development of polychlorodipyridoimidazolium compounds. His innovative work has led to advancements in the preparation of complex chemical compounds.

Latest Patents

Terrill E Applebury holds a patent for "Polychlorodipyridoimidazolium compounds and their use in the preparation." This patent includes the creation of polychlorodipyridoimidazolium tetrachloroferrate compounds, such as 1,2,3,4,11-pentachloro-8-(trichloromethyl)dipyrido[1,2-a:1',2'-]imidazol-10-ium tetrachloroferrate. These compounds are obtained as by-products in the preparation of polychloropyridine and polychloropicoline compounds through the chlorination of various chloro(trichloromethyl)pyridine compounds in the presence of a ferric chloride catalyst. The process involves heating a mixture of a chloro-2-(trichloromethyl)pyridine compound with a 2-chloro-5-(trichloromethyl)pyridine compound, which can be converted to pentachloropyridine by chlorination at elevated temperatures and pressures.

Career Highlights

Terrill E Applebury is associated with Dowelanco, where he continues to apply his expertise in chemical innovations. His work has been instrumental in advancing the understanding and application of polychlorodipyridoimidazolium compounds in various industrial processes.

Collaborations

Throughout his career, Terrill has collaborated with notable colleagues, including Richard K Helling and Kent P Steele. These collaborations have fostered a productive environment for innovation and research in the field of chemistry.

Conclusion

Terrill E Applebury's contributions to the field of chemistry, particularly through his patent on polychlorodipyridoimidazolium compounds, highlight his role as an innovator. His work continues to influence the preparation of complex chemical compounds, showcasing the importance of innovation in scientific research.