Company Filing History:
Years Active: 1976-1977
Title: Norbert Wilke: Innovator in Esterification Processes
Introduction
Norbert Wilke is a notable inventor based in Marl, Germany, recognized for his contributions to the field of chemical engineering. He holds a total of five patents, showcasing his innovative approach to esterification processes, particularly involving terephthalic acid.
Latest Patents
Wilke's latest patents include an "Apparatus for the esterification of terephthalic acid in the gas phase." This invention describes a method for preparing dimethyl terephthalate through the continuous esterification of terephthalic acid. The process involves evaporating solid terephthalic acid in a pre-reactor using a hot methanol vapor stream, followed by conducting the gas mixture through a solid bed catalyst in a follow-up reactor. Additionally, he has developed a "Process for recovering the mother liquor produced by the esterification." This process improves the recovery of methanolic mother liquor obtained from the esterification of terephthalic acid with methanol, allowing for the recycling of solids back into the reaction.
Career Highlights
Wilke has made significant strides in his career while working at Chemische Werke Huls Aktiengesellschaft. His expertise in chemical processes has led to advancements in the production of important chemical compounds, particularly in the polyester industry.
Collaborations
Throughout his career, Wilke has collaborated with esteemed colleagues such as Ferdinand List and Horst-Dieter Wulf, contributing to the development of innovative chemical processes.
Conclusion
Norbert Wilke's work in esterification processes has made a lasting impact on the chemical engineering field. His patents reflect a commitment to innovation and efficiency in chemical production.