Frédéric Leising

Title: Frédéric Leising: Innovator in Polymer Chemistry

Introduction

Frédéric Leising is a notable inventor based in Avilly Saint Leonard, France. He has made significant contributions to the field of polymer chemistry, particularly in the area of isocyanate chemistry. With a total of 2 patents to his name, Leising's work has advanced the understanding and application of polymerization methods.

Latest Patents

Leising's latest patents include a "Condensation polymerization method for isocyanates." This invention involves a (cyclo)trimerization method for isocyanates with at least two isocyanate functions. The process includes reacting initial isocyanate monomers at temperatures ranging from 20°C to below 200°C, in the presence of a compound with at least one rare earth alcoholate function. The reaction is then stopped by inactivating the catalyst at a transformation rate of 2.5% to 90% of the initial isocyanate functions. Additionally, he has developed a "Process for alkoxylation in the presence of rare earth triflimides," which further showcases his innovative approach to polymer chemistry.

Career Highlights

Throughout his career, Frédéric Leising has worked with prominent companies such as Rhodia Limited and Rhodia Chimie. His experience in these organizations has allowed him to refine his expertise in polymerization processes and contribute to various innovative projects.

Collaborations

Leising has collaborated with notable colleagues, including Christian Priou and Paul-Joel Derian. These partnerships have likely enriched his work and led to further advancements in his field.

Conclusion

Frédéric Leising's contributions to polymer chemistry, particularly through his innovative patents, highlight his role as a significant inventor in the industry. His work continues to influence the development of new polymerization methods and applications.