Company Filing History:
Years Active: 1978-1979
Title: Johann Renner: Innovator in Chemical Processes
Introduction
Johann Renner is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of chemical processes, particularly in the area of phenol derivatives. With a total of 3 patents, Renner's work has had a considerable impact on industrial applications.
Latest Patents
Renner's latest patents include a process for the dealkylation of tert.-alkyl substituted phenols. This innovative method involves the continuous introduction of a tertiary alkyl containing m- and/or p-cresol into a reaction vessel, utilizing a small amount of sulfuric acid or an equivalent sulfonic acid. The reaction is maintained at a temperature not exceeding 230 degrees Celsius, allowing for efficient separation of the reaction products. Another significant patent is for the continuous preparation of di-tertiary butylcresols. In this process, m- or p-cresol is reacted with isobutene at elevated temperatures, using sulfuric acid as a catalyst, with a stepwise introduction of isobutene to optimize the reaction.
Career Highlights
Johann Renner is associated with Bayer Aktiengesellschaft, a leading global company in the pharmaceutical and life sciences sector. His work at Bayer has allowed him to develop and refine his innovative processes, contributing to the company's reputation for excellence in chemical manufacturing.
Collaborations
Renner has collaborated with esteemed colleagues such as Helmut Fiege and Josef Haydn. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in their respective fields.
Conclusion
Johann Renner's contributions to chemical processes exemplify the spirit of innovation in the industry. His patents not only enhance the efficiency of chemical reactions but also demonstrate the importance of collaboration in scientific advancements.