This inventor holds 3 USPTO granted patents and 7 published patent applications and 3 EPO patents. Top assignees: Centre National De La Recherche Scientifique, Totalenergies Onetech, Université Claude Bernard Lyon 1 (Ucbl). Active years: 2025.
Company Filing History:


Years Active: 2025
Title: Karim Delage: Innovator in Polyethylene Processing
Introduction
Karim Delage is a notable inventor based in Villeurbanne, France. He has made significant contributions to the field of polyethylene processing, holding a total of 3 patents. His work focuses on innovative methods for treating polyethylene materials, which have applications in various industries.
Latest Patents
Delage's latest patents include a process for the treatment of an initial polyethylene-containing material to produce a polyethylene composition 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 comprises at least 50 wt. % of 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.
Another significant patent by Delage is the process for the production of grafted polyethylene and grafted polyethylene. This process also utilizes a twin-screw extruder and involves the thermal treatment of a polyethylene-containing material by self-heating. The maximum barrel temperature during this process ranges from 315° C. to 410° C.
Career Highlights
Throughout his career, Karim Delage 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 contributed to his expertise in polyethylene processing and innovation.
Collaborations
Delage has collaborated with notable colleagues, including Olivier Lhost and Yves Trolez. These partnerships have likely enhanced his research and development efforts in the field of polyethylene.
Conclusion
Karim Delage is a distinguished inventor whose work in polyethylene processing has led to valuable patents and advancements in the industry. His innovative approaches continue to influence the field and demonstrate the importance of research and development in material science.