Location History:
- Hofheim, Taunus, DE (1977)
- Hofheim, DE (1982)
- Hofheim am Taunus, DE (1985)
Company Filing History:
Years Active: 1977-1985
Title: The Innovations of Karl Rehn
Introduction
Karl Rehn is a notable inventor based in Hofheim, Germany. He has made significant contributions to the field of chemistry, particularly in the preparation of various chemical compounds. With a total of 3 patents to his name, Rehn's work has had a considerable impact on the industry.
Latest Patents
Rehn's latest patents include innovative processes that enhance the preparation of hydroxyphenoxy-alkanecarboxylic acids. One of his patents details a continuous process for the preparation of these compounds, which involves the reaction of dihydroxybenzenes with alpha-haloalkanecarboxylic acids. Another significant patent focuses on the preparation of substituted 4-phenoxy-phenols, achieved by adding corresponding anilines in liquid or molten state to an aqueous sodium nitrite solution, followed by a reaction with hydrochloric acid and sulfuric acid.
Career Highlights
Karl Rehn has been associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work at Hoechst has allowed him to explore and develop innovative chemical processes that contribute to advancements in the field.
Collaborations
Throughout his career, Rehn has collaborated with esteemed colleagues such as Hans J Nestler and Werner Becker. These collaborations have fostered a productive environment for innovation and research.
Conclusion
Karl Rehn's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His innovative processes continue to influence the industry and pave the way for future advancements.