Claude Rochelle

Title: Claude Rochelle: Innovator in Chlorinated Carboxylic Acids

Introduction

Claude Rochelle is a notable inventor based in Toulouse, France. He has made significant contributions to the field of chemistry, particularly in the preparation of chlorinated carboxylic acids. His innovative processes have implications for various industrial applications.

Latest Patents

Rochelle holds a patent for a process titled "Process for the preparation of chlorides of chlorinated carboxylic acids." This invention involves a method for producing high-purity chlorides of chlorinated carboxylic acids through the reaction of lactones with phosgene. The process operates at temperatures between 90°C and 180°C, utilizing trisubstituted phosphine oxides or sulfides as catalysts. The resulting compounds exhibit excellent stability to light and heat, making them valuable as synthesis intermediates.

Career Highlights

Claude Rochelle is associated with the Société Nationale des Poudres et Explosifs, where he has contributed to advancements in chemical processes. His work has been recognized for its innovative approach and practical applications in the chemical industry.

Collaborations

Rochelle has collaborated with notable colleagues, including Patricia P. Gauthier and Michel M. Le Moult. These partnerships have fostered a collaborative environment that enhances research and development in their field.

Conclusion

Claude Rochelle's contributions to the preparation of chlorinated carboxylic acids highlight his role as an influential inventor in the chemical industry. His innovative processes continue to impact various applications, showcasing the importance of research and development in advancing technology.