This inventor holds 1 USPTO granted patent. Top assignee: Bayer Aktiengesellschaft. Active years: 1976.
Company Filing History:
Years Active: 1976
Title: The Innovations of Hans-Egon Kunzel
Introduction
Hans-Egon Kunzel is a notable inventor based in Dormagen, Germany. He has made significant contributions to the field of chemistry, particularly in the development of cytostatic agents. His work has led to the creation of innovative compounds that have potential applications in medical treatments.
Latest Patents
One of Kunzel's key patents is titled "Urethane derivatives of 2-phenyl-4(3H)-quinazolones." This patent describes the synthesis of 2-phenyl-4(3H)-quinazolones that bear a urethane or thiourethane group on the 2-phenyl substituent. Additionally, it includes a second urethane or thiourethane group on the benzo ring of the quinazolone nucleus. The process involves treating the corresponding bis-amino compound with an acid derivative or the corresponding bis(isocyanate) or bis(isothiocyanate) with an alcohol. A typical embodiment of these compounds is 2-[3'-(methoxycarbonylamino)-phenyl]-3-phenyl-6-methoxycarbonylamino-4-(3H)-quinazolone, which showcases the potential of these derivatives as cytostatic agents. Kunzel holds 1 patent in this area.
Career Highlights
Hans-Egon Kunzel has had a distinguished career at Bayer Aktiengesellschaft, where he has been involved in groundbreaking research and development. His work has not only advanced the field of medicinal chemistry but has also contributed to the broader understanding of cytostatic agents.
Collaborations
Throughout his career, Kunzel has collaborated with esteemed colleagues such as Gunther Nischk and Dieter Steinhoff. These collaborations have fostered an environment of innovation and have led to significant advancements in their shared field of research.
Conclusion
Hans-Egon Kunzel's contributions to the field of chemistry, particularly through his patent on urethane derivatives, highlight his role as an influential inventor. His work continues to impact the development of new medical treatments, showcasing the importance of innovation in science.