Company Filing History:
Years Active: 1976-1993
Title: Dietrich Liebsch: Innovator in Catalysis and Polyisocyanate Production
Introduction
Dietrich Liebsch is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of catalysis and the production of polyisocyanates. With a total of 5 patents to his name, his work has had a considerable impact on various industrial processes.
Latest Patents
Liebsch's latest patents include a process for the preparation of an iron catalyst. This invention relates to a method for hydrogenating organic compounds by partially oxidizing iron or an iron alloy in particulate form at elevated temperatures in the presence of gaseous oxygen. The process aims to achieve a weight gain of 5% to 32% before reducing the partially oxidized material in a stream of hydrogen. Another significant patent involves the preparation of primary amines through the catalytic hydrogenation of nitriles using the iron catalyst developed by Liebsch. Additionally, he has patented a process for the preparation of modified polyisocyanates containing uretdione and isocyanurate groups. This process involves the oligomerization of organic diisocyanates in the presence of organic phosphines, followed by the termination of the reaction at the desired degree of oligomerization.
Career Highlights
Dietrich Liebsch has had a distinguished career, primarily working with Bayer Aktiengesellschaft. His innovative approaches to chemical processes have positioned him as a key figure in his field. His patents reflect a deep understanding of chemical engineering and catalysis, contributing to advancements in industrial applications.
Collaborations
Throughout his career, Liebsch has collaborated with notable colleagues such as Winfried Dell and Werner Kubitza. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.
Conclusion
Dietrich Liebsch's contributions to catalysis and polyisocyanate production highlight his role as an influential inventor. His innovative processes continue to shape the industry and demonstrate the importance of research and development in chemical engineering.
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