Giampiero Pieri

Title: Giampiero Pieri: Innovator in Diazonium Salts

Introduction

Giampiero Pieri is a notable inventor based in Saronno, Italy. He has made significant contributions to the field of chemistry, particularly in the preparation of diazonium salts. His work has implications for the production of azo dyes, which are widely used in various industries.

Latest Patents

Giampiero Pieri holds a patent for a process titled "Process for preparing diazonium salts of 3-amino-pyrazole." This innovative method involves the oxidative diazotization of 3-amino-pyrazolines with nitrous acid or nitrosyl-sulphuric acid. The resulting 3-diazonium salts of pyrazole serve as valuable intermediates in the synthesis of azo dyes. His patent is particularly noteworthy as it outlines the structure of the diazonium salts, where X can be a radical --CO-- or --COO--.

Career Highlights

Throughout his career, Giampiero Pieri has been associated with Aziende Colori Nazionali Affini Acna S.p.a., a company that specializes in colorants and dyes. His expertise in chemical processes has contributed to advancements in the production of various dye intermediates.

Collaborations

Giampiero has collaborated with esteemed colleagues such as Enzo Rosati and Ruggero Battisti. Their combined efforts have fostered innovation and development in the field of dye chemistry.

Conclusion

Giampiero Pieri's contributions to the field of chemistry, particularly through his patent on diazonium salts, highlight his role as an innovator. His work continues to influence the production of azo dyes, showcasing the importance of research and development in this area.