Company Filing History:
2 out of 61 
1 out of 715 
Years Active: 1985-1987
Title: Michel Madsac: Innovator in Material Processing
Introduction
Michel Madsac is a notable inventor based in Sceaux, France. He has made significant contributions to the field of material processing, particularly in the development of innovative methods for sintering and producing corrosion-resistant steel articles. With a total of 3 patents to his name, Madsac's work reflects a deep understanding of materials science and engineering.
Latest Patents
Madsac's latest patents include a process for sintering powdered material in a continuous furnace. This innovative method involves reducing oxygen in the powdered material during a pre-sintering stage, followed by ensuring cohesion in a second sintering stage. The process is carried out under a reducing atmosphere based on hydrogen and neutral gas, optimizing the conditions for effective sintering.
Another significant patent is a heat process for producing corrosion-resistant steel articles. This process includes a nitriding step in a gaseous atmosphere to create a first layer of epsilon type iron nitride on the surface of the articles. Following this, the articles are exposed to an oxidizing atmosphere to form a second, oxide-rich layer. The specific atmospheric conditions and concentration ratios used in this process are crucial for achieving the desired properties in the steel articles.
Career Highlights
Throughout his career, Michel Madsac has worked with prominent companies such as L'Air Liquide. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in material processing technologies.
Collaborations
Madsac has collaborated with notable colleagues, including Rene Mauvoisin and Thierry Hiron. These partnerships have likely enriched his work and led to further innovations in the field.
Conclusion
Michel Madsac's contributions to material processing through his patents and career experiences highlight his role as a significant inventor in the industry. His innovative approaches continue to influence the development of advanced materials and processes.