Company Filing History:
Years Active: 1987-1988
Title: The Innovative Contributions of Pierre Lefevre
Introduction
Pierre Lefevre is a notable inventor based in Brussels, Belgium. He has made significant contributions to the field of metallurgy and chemical processes, holding a total of 3 patents. His work focuses on methods to enhance the durability and performance of metal products.
Latest Patents
Lefevre's latest patents include a process for inhibiting the corrosion of a mass of metal in contact with an acid bath containing ferric ions. This innovative process involves circulating a part of the bath through a stack of felts made of carbon or graphite, alternating with perforated plates made of iron or an iron alloy. This method is particularly applicable to the pickling of metallurgical products made of steel in hydrochloric acid baths. Another significant patent involves baths for chemical polishing of stainless steel surfaces. These baths comprise an aqueous solution containing a mixture of hydrochloric acid, phosphoric acid, nitric acid, ferricyanide complex ions, and an additive capable of decomposing nitrous acid. This process is especially useful for the chemical polishing of heat exchangers with a very large exchange surface.
Career Highlights
Throughout his career, Lefevre has worked with prominent companies, including Solvay & Cie. His expertise in chemical processes and metallurgy has positioned him as a valuable asset in the industry.
Collaborations
Lefevre has collaborated with notable individuals such as Daniel Tytgat and Michel Marechal. These partnerships have contributed to the advancement of his innovative projects.
Conclusion
Pierre Lefevre's contributions to the field of metallurgy and chemical processes are noteworthy. His patents reflect a commitment to innovation and improvement in metal treatment methods. His work continues to influence the industry positively.