Daniel Stein

Title: The Innovative Contributions of Daniel Stein

Introduction

Daniel Stein is a notable inventor based in Seelze, Germany. He has made significant contributions to the field of chemistry, particularly in the preparation of acylphosphanes and their derivatives. With a total of three patents to his name, Stein's work has implications in various industrial applications.

Latest Patents

Stein's latest patents include a process for preparing acylphosphanes and derivatives thereof. This invention relates to a method for the preparation of (bis)acylphosphanes of a specific formula, involving steps such as contacting elemental phosphorus with a reducing metal and subsequent acylation reactions. Another patent focuses on a selective process for preparing mono- and bisacylphosphanes, which also includes oxidation steps to obtain various phosphane oxides and sulfides. These innovations are crucial for their use as photoinitiators in various chemical processes.

Career Highlights

Daniel Stein is currently associated with Ciba Specialty Chemicals Corporation, where he applies his expertise in chemical processes. His work has been instrumental in advancing the company's research and development efforts in specialty chemicals.

Collaborations

Stein has collaborated with esteemed colleagues such as Hansjörg Grützmacher and Peter Murer. These collaborations have fostered a productive environment for innovation and have contributed to the success of their projects.

Conclusion

Daniel Stein's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His innovative processes for preparing acylphosphanes demonstrate the impact of his work on the industry.