Vladimir A Yanshevsky

Title: Vladimir A Yanshevsky: Innovator in Chemical Processes

Introduction

Vladimir A Yanshevsky is a notable inventor based in Novokuibyshevsk, Kuibyshevskoi oblasti, Russia. He has made significant contributions to the field of chemical processes, particularly in the preparation of sterically hindered bis- or polyphenols. With a total of 2 patents, his work showcases innovative methods that enhance efficiency and reduce environmental impact.

Latest Patents

Yanshevsky's latest patents include a method for preparing sterically hindered bis- or polyphenols. This method involves reacting starting sterically hindered 2,4,6-trialkylphenols with acetals, aldehydes, or donors of C1-C5 aldehydes in an acidic medium. The process operates at temperatures ranging from 60°C to 200°C and utilizes an acidic catalyst, resulting in high-quality products with minimal waste. Another significant patent is for the production of 2,4,6-tri(3,5-ditertiary butyl-4-hydroxybenzyl)mesitylene. This method treats a mesitylene solution with sulfuric acid and a solution of 2,6-ditertiary butyl-4-methoxymethylphenol, achieving a yield of 88 to 90% while preventing effluents and reducing phenol waste.

Career Highlights

Throughout his career, Yanshevsky has focused on developing methods that simplify chemical processes and enhance product quality. His innovative approaches have garnered attention in the scientific community, contributing to advancements in the field of chemistry.

Collaborations

Yanshevsky has collaborated with notable professionals such as Yakov Abramovich Gurvich and Simona T Kumok. These partnerships have further enriched his research and development efforts.

Conclusion

Vladimir A Yanshevsky stands out as an influential inventor in the realm of chemical processes. His innovative patents reflect a commitment to improving efficiency and sustainability in chemical production.