This inventor holds 1 USPTO granted patent. Top assignee: Hoechst Aktiengesellschaft. Active years: 1989.
Company Filing History:
Years Active: 1989
Title: Josef Rosenfelder: Innovator in Nitrohydroxyaromatic Extraction
Introduction
Josef Rosenfelder is a notable inventor based in Hofheim am Taunus, Germany. He has made significant contributions to the field of chemical engineering, particularly in the extraction of nitrohydroxyaromatics from aqueous solutions. His innovative approach has implications for various industrial applications.
Latest Patents
Rosenfelder holds a patent for a process that involves extracting nitrohydroxyaromatics using an amine salt. This extracting agent consists of an aliphatic amine with a total carbon number ranging from 10 to 75, combined with a strong acid. The process allows for the amine salt to be used either undiluted or diluted with an organic solvent, showcasing its versatility and efficiency in extraction methods.
Career Highlights
Throughout his career, Josef Rosenfelder has been associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work has not only advanced the understanding of nitrohydroxyaromatic compounds but has also contributed to the development of more effective extraction techniques.
Collaborations
Rosenfelder has collaborated with esteemed colleagues such as Helmut Gossel and Herbert Kuckertz. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the field.
Conclusion
Josef Rosenfelder's contributions to the extraction of nitrohydroxyaromatics highlight his role as a key innovator in chemical engineering. His patent and collaborative efforts reflect a commitment to advancing industrial processes.