Christian Eh

Title: The Innovations of Christian Eh

Introduction

Christian Eh is a notable inventor based in Chonburi, Thailand. He has made significant contributions to the field of polymer chemistry, particularly in the preparation of polycarbonates. His innovative approach has led to advancements that are beneficial for various applications, including optical storage media.

Latest Patents

Christian Eh holds a patent for a process for the preparation of polycarbonates. This patent describes an improvement to the phase interface process of preparing aromatic polycarbonate. The process is characterized by conducting phosgenation at temperatures ranging from 0 to 40°C. Additionally, the temperature of the reaction mixture at the time of catalyst addition is maintained between 10 to 40°C. The molar ratio of aromatic dihydroxy compounds to phosgene is specified as 1:1.05 to 1:1.20. The resulting polycarbonate is noted for its low content of carbamates, making it particularly suitable for the preparation of optical storage media.

Career Highlights

Christian Eh is associated with Bayer MaterialScience AG, where he has been able to apply his expertise in polymer chemistry. His work has contributed to the development of advanced materials that meet the demands of modern technology.

Collaborations

Christian has collaborated with esteemed colleagues such as Hermann Kauth and Wolfgang Ebert. Their combined efforts have furthered research and innovation in the field of polycarbonates.

Conclusion

Christian Eh's contributions to the field of polymer chemistry, particularly through his patent on polycarbonate preparation, highlight his role as an influential inventor. His work continues to impact the development of materials used in various high-tech applications.