Howard R Leistner

Title: Howard R Leistner: Innovator in Chemical Processes

Introduction

Howard R Leistner is a notable inventor based in Tibron, CA (US). He has made significant contributions to the field of chemistry, particularly in the development of innovative processes for chemical reduction.

Latest Patents

Leistner holds a patent for a process titled "Fluorenol catalyzed reduction of o-nitroazobenzenes." This invention involves producing 2-aryl-2H-benzotriazole by reducing an o-nitroazobenzene with a saccharide that has an aldehyde group as a reducing agent. The process utilizes fluorenol as a catalyst and a base in solution, conducted at temperatures ranging from about 60°C to about 80°C. Notably, the reaction time and amount of catalyst required are significantly reduced compared to traditional methods using aromatic ketone catalysts.

Career Highlights

Leistner is associated with Fairmont Chemical Company, Inc., where he applies his expertise in chemical processes. His work has led to advancements in the efficiency of chemical reactions, showcasing his innovative approach to problem-solving in the field.

Collaborations

Throughout his career, Leistner has collaborated with notable colleagues, including Semyon Moshchitsky and William E Leistner. These partnerships have contributed to the development of his patented processes and furthered research in chemical innovations.

Conclusion

Howard R Leistner's contributions to chemical processes exemplify the impact of innovation in the field. His patented methods not only enhance efficiency but also pave the way for future advancements in chemical engineering.