Location History:
- Konstanz, DE (2001 - 2003)
- Constance, DE (1998 - 2009)
Company Filing History:
Years Active: 1998-2009
Title: The Innovative Contributions of Hans-Robert-Hellmuth Damrau
Introduction
Hans-Robert-Hellmuth Damrau is a notable inventor based in Constance, Germany. He has made significant contributions to the field of chemistry, particularly in the development of metallocene complexes. With a total of 8 patents to his name, Damrau's work has had a substantial impact on polymerization processes and stereoselective synthesis.
Latest Patents
One of his latest patents is focused on the preparation of partially hydrogenated rac-ansa-metallocene complexes. This invention describes a process for creating hydrogenated or partially hydrogenated, racemic ansa-metallocene complexes by reacting bridged or unbridged transition metal complexes with alkali metal or alkaline earth metal compounds. The reaction mixture is heated to a temperature ranging from -78 to 250 °C, and the resulting products are hydrogenated in the presence of a suitable catalyst. These metallocenes are utilized as catalysts or constituents in the polymerization of olefinically unsaturated compounds and in stereoselective synthesis.
Another significant patent involves the racemoselective preparation of bridged metallocene complexes with unsubstituted or 2-substituted indenyl ligands. This process entails reacting transition metal complexes with cyclopentadienyl derivatives of alkali or alkaline earth metals and heating the mixture to a temperature between -78 and 250 °C. The resulting metallocene complexes serve as catalysts or constituents for polymerization and stereoselective synthesis.
Career Highlights
Throughout his career, Damrau has worked with prominent companies such as Basell Polyolefine GmbH and BASF Aktiengesellschaft. His experience in these organizations has allowed him to refine his expertise in the field of metallocene chemistry and polymerization.
Collaborations
Damrau has collaborated with notable colleagues, including Hans-Herbert Brintzinger and Patrik Müller. These partnerships have contributed to the advancement of research and innovation in metallocene complexes.
Conclusion
Hans-Robert-Hellmuth Damrau's innovative work in the field of chemistry, particularly in metallocene complexes, has led to significant advancements in polymerization and stereoselective synthesis. His contributions continue to influence the industry and inspire future research.
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