Company Filing History:
4 out of 114 
4 out of 4 
3 out of 26 
Years Active: 2024-2025
Title: Philippe Cassagnau: Innovator in Polyethylene Processing
Introduction
Philippe Cassagnau is a notable inventor based in Villeurbanne, France. He has made significant contributions to the field of polymer processing, particularly in the treatment and modification of polyethylene materials. With a total of four patents to his name, Cassagnau's work has advanced the understanding and application of polyethylene in various industries.
Latest Patents
Cassagnau's latest patents include innovative processes for the treatment of polyethylene-containing materials. One of his patents describes a method for producing a polyethylene composition suitable for injection molding. This process involves using a twin-screw extruder equipped with thermal regulation devices. The method requires an initial polyethylene-containing material that consists of at least 50 wt. % polyethylene. The extrusion process is performed with a residence time of less than 20 minutes, and it includes a thermal treatment at temperatures ranging from 300 to 460° C. in specific hot zones of the extruder.
Another significant patent focuses on the production of grafted polyethylene. This process involves the grafting of a polyethylene-containing material with a grafting agent using a twin-screw extruder. The thermal treatment during extrusion occurs at maximum barrel temperatures between 315° C. and 410° C. This innovative approach results in a modified polyethylene composition that can enhance the material's properties for various applications.
Career Highlights
Throughout his career, Philippe Cassagnau has worked with several prominent organizations. He has been associated with TotalEnergies, Onetech, and Université Claude Bernard Lyon 1 (UCBL). His experience in these institutions has allowed him to collaborate on various research projects and contribute to advancements in polymer technology.
Collaborations
Cassagnau has worked alongside notable colleagues, including Olivier Lhost and Yves Trolez. Their collaborative efforts have further enriched the research and development of polyethylene processing techniques.
Conclusion
Philippe Cassagnau's innovative work in polyethylene processing has led to significant advancements in the field. His patents reflect a deep understanding of material science and engineering, contributing to the ongoing evolution of polymer applications. His career and collaborations highlight the importance of teamwork in driving innovation forward.