Company Filing History:
3 out of 23 
1 out of 4 Years Active: 1994-1996
Title: The Innovations of Francois Dupoiron
Introduction
Francois Dupoiron is a notable inventor based in Le Creusot, France. He has made significant contributions to the field of materials science, particularly in the development of advanced stainless steels. With a total of 3 patents to his name, Dupoiron's work has had a considerable impact on various industries.
Latest Patents
Dupoiron's latest patents include innovations in austenitic stainless steel with high properties. One of his inventions provides a steel composition containing by weight 23% ≤ Cr ≤ 28%; 15% ≤ Ni ≤ 28%; 0.5% ≤ Mn ≤ 6%; 3% ≤ Mo ≤ 8%; 0.35% ≤ N ≤ 0.8%; and 1% ≤ W ≤ 5%. This steel exhibits high resistance to corrosion and is suitable for manufacturing massive parts for various applications, including equipment for oil platforms and chemical works, containers for transporting corrosive products, ship hulls, and ply sheets. Another patent focuses on austenitic stainless steel with high resistance to corrosion by chloride. This steel contains, in proportions by weight, from 20% to 30% of chromium, from 25% to 32% of nickel, from 3% to 7% of molybdenum, from 0.35% to 0.8% of nitrogen, from 0.5% to 5.4% of manganese, up to 0.06% of carbon, and up to 1% of silicon. Due to its diverse corrosion resistance, this steel can be employed in the manufacture of equipment for removing pollutants from fumes, the paper pulp industry, the chemical industry, petroleum exploitation, seawater plants, and tankers for transporting corrosive products. The steel also boasts very high structural stability.
Career Highlights
Throughout his career, Dupoiron has worked with several prominent companies, including Creusot Loire Industrie and Tecphy. His expertise in materials science has allowed him to contribute to various innovative projects and advancements in the field.
Collaborations
Dupoiron has collaborated with notable coworkers such as Jean-Christophe Gagnepain and Richard Cozar. These partnerships have further enriched his work and expanded the impact of his inventions.
Conclusion
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