Location History:
- Frankfurt-am-Main, DE (1977)
- Kelkheim, Taunus, DE (1978)
- Kelkheim/Taunus, DE (1992 - 1994)
- Kelkheim, DE (1988 - 1997)
Company Filing History:
Years Active: 1977-1997
Title: Freimund Rohrscheid: Innovator in Chemical Processes
Introduction
Freimund Rohrscheid is a notable inventor based in Kelkheim, Germany. He has made significant contributions to the field of chemistry, particularly in the development of processes for the preparation of various chemical compounds. With a total of 15 patents to his name, Rohrscheid's work has had a considerable impact on the industry.
Latest Patents
Rohrscheid's latest patents include a process for the preparation of brominated or chlorinated aromatic carboxylic acids. This invention involves the oxidation of halogenated alkylaromatics with oxygen or an oxygen-containing gas in acetic acid, utilizing a transition metal bromide catalyst. Another significant patent is for the preparation of 5-fluoroanthranilic acid, which details a method of reacting 5-fluoro-2-bromotoluene in the presence of a catalyst and acidic solvent, followed by a reaction with ammonia.
Career Highlights
Throughout his career, Freimund Rohrscheid has worked with prominent companies, including Hoechst Aktiengesellschaft. His expertise in chemical processes has been instrumental in advancing various projects and innovations within these organizations.
Collaborations
Rohrscheid has collaborated with notable colleagues such as Gunter Siegemund and Jurgen Lau. These partnerships have contributed to the successful development of his patented processes and innovations.
Conclusion
Freimund Rohrscheid's contributions to the field of chemistry through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and pave the way for future advancements.