Bernard Chambon

Title: The Innovative Contributions of Bernard Chambon

Introduction

Bernard Chambon is a notable inventor based in Michelbach Le Haut, France. He has made significant contributions to the field of dye chemistry, particularly through his innovative processes for preparing complex azo compounds. His work has implications for various industries, including textiles and leather.

Latest Patents

Chambon holds a patent for a process related to the preparation of 1:2 metal complex azo compounds. This invention involves a method for creating chromium, cobalt, nickel, or iron complex azo dyes through diazotization, coupling, and metallizing without isolating the coupling product. The process includes diazotizing at least one amine from the benzene or naphthalene series in an aqueous solution and coupling the resulting diazonium compound to a coupling component from the same series or from the heterocyclic series. The azo dye produced contains groups suitable for metal complex formation, making it particularly useful for dyeing wool, synthetic textile polyamide fibers, and leather, as well as for use as wood mordant dyes.

Career Highlights

Chambon has had a distinguished career, working with Ciba-Geigy Corporation, a company known for its innovations in chemical products. His expertise in dye chemistry has positioned him as a valuable asset in the field.

Collaborations

Throughout his career, Chambon has collaborated with notable colleagues, including Horst H. Jager and Rudiger Oxenius. These partnerships have contributed to the advancement of dye technology and the development of new applications.

Conclusion

Bernard Chambon's innovative work in the preparation of metal complex azo compounds has made a lasting impact on the dye industry. His contributions continue to influence various applications in textiles and beyond.