Lalita Sanjib Roy

Title: Lalita Sanjib Roy: Innovator in Catalysis and Chemical Synthesis

Introduction

Lalita Sanjib Roy is a prominent inventor based in Pune, India. She has made significant contributions to the field of chemical synthesis, particularly in the recovery and regeneration of catalysts used in various industrial processes. With a total of 5 patents to her name, her work has garnered attention for its innovative approaches and practical applications.

Latest Patents

One of her latest patents is titled "Process for recovery and regeneration of deactivated catalysts used in dialkyl carbonate synthesis." This invention discloses a method for recovering and regenerating rare earth metals or salts used as catalysts in the manufacturing of dialkyl carbonates. The process involves adding alkyl carbamate, alcohol, and a rare earth metal salt as a catalyst selected from the lanthanide series in a reactor. The catalyst is then precipitated using ammonia, and the separated deactivated catalyst is dissolved in acid to regenerate it.

Another notable patent is "Synthesis of methyl carbamate and dimethyl carbonate (DMC) in presence of stripping with inert gas or superheated vapors and a reactor for the same." This invention relates to the synthesis of methyl carbamate and dimethyl carbonate using a packed column reactor and bubble column reactor, with the presence of stripping inert gas or superheated methanol vapors.

Career Highlights

Lalita Sanjib Roy is affiliated with the Council of Scientific & Industrial Research, where she continues to advance her research in catalysis and chemical processes. Her work has not only contributed to academic knowledge but also has practical implications for industrial applications.

Collaborations

She has collaborated with notable colleagues such as Vivek Vinayak Ranade and Ashutosh Anant Kelkar, further enhancing the impact of her research through teamwork and shared expertise.

Conclusion

Lalita Sanjib Roy stands out as an innovative inventor in the field of chemical synthesis, with her patents reflecting her commitment to advancing technology in catalysis. Her contributions are significant in both academic and industrial contexts, showcasing the importance of innovation in science.