Location History:
- Rossert, Taunus, DE (1977 - 1978)
- Rossert, DE (1978)
- Kelkheim, DE (1978 - 1981)
Company Filing History:
Years Active: 1977-1981
Title: Ernst Hille: Innovator in Chemical Processes
Introduction
Ernst Hille, based in Rossert, Taunus, Germany, is a notable inventor recognized for his contributions to the field of chemistry and process engineering. With a total of five patents to his name, Hille has made significant advancements in the manufacturing processes of various chemical compounds.
Latest Patents
Among his most recent innovations, Hille has developed a process for the preparation of benzimidazolone, a compound known for its utility in pharmaceuticals. This method achieves high yield and purity by condensing o-phenylenediamine with urea in water at a controlled pH of 4 to 9 and temperatures exceeding 90 degrees Celsius. Additionally, Hille has patented an efficient process for manufacturing 3-hydroxybutyric acid arylamides. This advancement involves the liquid-phase catalytic hydrogenation of N-acetoacetyl arylamides, enhanced by the addition of amines, phosphines, or trialkylphosphates, allowing for decreased hydrogen pressures and shorter reaction times.
Career Highlights
Ernst Hille currently works at Hoechst Aktiengesellschaft, where he has been involved in pioneering research and development in chemical innovations. His work focuses on optimizing reaction conditions to improve yield and efficiency in chemical manufacturing.
Collaborations
During his career, Hille has collaborated with fellow inventors Hartmut Heise and Kurt Kummerle, contributing to the advancement of chemical processes and enhancing the capabilities of their collective endeavors within the industry.
Conclusion
Ernst Hille's contributions to chemistry through his innovative processes reflect his commitment to advancing industrial methodologies. His work not only benefits the scientific community but also enhances the operational efficiencies of chemical manufacturers.