Company Filing History:
Years Active: 1982-2004
Title: Hans-Ulrich Blaser: Innovator in Asymmetric Hydrogenation
Introduction
Hans-Ulrich Blaser is a prominent inventor based in Ettingen, Switzerland, known for his significant contributions to the field of asymmetric hydrogenation. With six patents to his name, Blaser has developed processes that have advanced both chemical research and practical applications in various industries.
Latest Patents
Among Hans-Ulrich Blaser's latest innovations is a patented process for the hydrogenation of imines. This method utilizes hydrogen under elevated pressure in the presence of iridium catalysts, potentially in combination with an inert solvent. Notably, the reaction mixture incorporates an ammonium or metal chloride, bromide, or iodide, along with an acid, showcasing a novel approach to facilitating chemical reactions.
Another significant patent involves the preparation of optically active aliphatic compounds. This process features the asymmetric hydrogenation of aliphatic α-keto esters using rhodium catalysts, which incorporate a diphosphine chiral ligand. His work in these areas demonstrates substantial advancements that could lead to new pharmaceutical and agricultural applications.
Career Highlights
Throughout his career, Blaser has worked with renowned companies, including the Ciba-Geigy Corporation and Syngenta Crop Protection, Inc. His involvement with these firms has allowed him to apply his innovative methods to real-world challenges, thereby enhancing their research and development capabilities.
Collaborations
Hans-Ulrich Blaser has collaborated with esteemed colleagues such as Dieter Reinehr and Alwyn Spencer. Their combined expertise has contributed to the success of various projects and innovations, reinforcing the value of teamwork in scientific advancement.
Conclusion
In summary, Hans-Ulrich Blaser's contributions to the field of asymmetric hydrogenation through his patents reflect his dedication and expertise as an inventor. His work not only exemplifies innovation but also paves the way for future advancements in chemical processes, benefiting both industry and research alike.