Bernd Stephan

Title: Bernd Stephan: Innovator in Iron Oxide Pigments

Introduction

Bernd Stephan is a notable inventor based in Munich, Germany. He has made significant contributions to the field of pigment technology, particularly in the stabilization and production of iron oxide pigments. With a total of 2 patents, his work has implications for various applications, including magnetic tapes and dispersions.

Latest Patents

Stephan's latest patents include the "Stabilization of magnetite pigments with heterocyclic nitrogen compounds." This invention focuses on stabilizing finely divided magnetite pigments against oxidation by using heterocyclic nitrogen compounds such as morpholine, triazole, and piperazine. The compounds can be applied either as a solution or in vapor form. Another significant patent is the "Production of iron oxide pigments with improved resistance to oxidation." This patent describes an Fe₃O₄ iron oxide black pigment that incorporates up to 50 mole percent of γ-Fe₂O₃ and various metal oxides. The resulting pigments exhibit improved resistance to oxidation, making them particularly useful for pigmenting both inorganic and organic dispersions.

Career Highlights

Bernd Stephan is associated with Bayer Aktiengesellschaft, a leading company in the chemical and pharmaceutical industry. His work at Bayer has allowed him to focus on innovative solutions in pigment technology, contributing to the company's reputation for excellence in research and development.

Collaborations

Stephan has collaborated with notable colleagues such as Franz Hund and Gunter Buxbaum. These collaborations have further enriched his research and development efforts, leading to advancements in the field of pigments.

Conclusion

In summary, Bernd Stephan is a distinguished inventor whose work in iron oxide pigments has led to significant advancements in stabilization and production techniques. His contributions continue to impact various industries, showcasing the importance of innovation in material science.