Location History:
- Le Fayet, FR (1979 - 1982)
- Sallanches, FR (1984 - 1995)
Company Filing History:
3 out of 12 
2 out of 34 Years Active: 1979-1995
Title: The Innovative Contributions of Francis Dubrous
Introduction
Francis Dubrous is a notable inventor based in Sallanches, France. He has made significant contributions to the field of materials science, particularly in the development of advanced silicon and silicon carbide products. With a total of five patents to his name, Dubrous has demonstrated a commitment to innovation and excellence in his work.
Latest Patents
Among his latest patents, Dubrous has developed a metallurgical silicon powder that exhibits low surface oxidation. This innovation involves a silicon or silicon alloy that maintains low surface oxidation due to a surface silica layer of less than 2 nm. The production processes for this material include grinding under a minimally-reactive atmosphere in the presence of oil or atomization in a vacuum or minimally-reactive gas under reduced pressure. Additionally, he has patented a process for the preparation of silicon carbide whiskers. This process operates in a non-oxidizing atmosphere at temperatures of at least 1300°C, utilizing a mixture of carbon black and silicon oxide. The method emphasizes the importance of controlling the oxidability rate of carbon black and the grain size of the silicon oxide source.
Career Highlights
Throughout his career, Dubrous has worked with prominent companies in the field, including Société Française d'Électrométallurgie Sofrem and Pechiney Électrométallurgie. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in metallurgical processes.
Collaborations
Dubrous has collaborated with notable colleagues, including Michel Demange and Louis Septier. These partnerships have fostered an environment of innovation and have led to the successful development of his patented technologies.
Conclusion
Francis Dubrous stands out as a significant figure in the realm of materials science, with his innovative patents and contributions to the industry. His work continues to influence advancements in silicon and silicon carbide technologies.