Company Filing History:
Years Active: 1980-1985
Title: The Innovations of Karl-August Lipper
Introduction
Karl-August Lipper is a notable inventor based in Krefeld, Germany. He has made significant contributions to the field of chemical engineering, particularly in the preparation of various chemical compounds. With a total of 5 patents to his name, Lipper's work has had a lasting impact on the industry.
Latest Patents
Lipper's latest patents include a process for the preparation of terephthaloyl and isophthaloyl dichlorides. This innovative method involves the chlorination of dimethyl terephthalate and isophthalate with chlorine gas at temperatures ranging from 100°C to 250°C. The process can be enhanced by the presence of light and/or catalysts that promote side-chain chlorination of aromatic compounds. Additionally, he has developed a process for the preparation of benzoyl chloride. This method involves the catalytic oxidation of toluene with oxygen, followed by the chlorination of the high-boiling residue obtained, which is then separated to yield benzoyl chloride.
Career Highlights
Karl-August Lipper is currently associated with Bayer Aktiengesellschaft, a leading global company in the pharmaceutical and life sciences sector. His work at Bayer has allowed him to explore and innovate in the field of chemical processes, contributing to the company's advancements in technology and product development.
Collaborations
Throughout his career, Lipper has collaborated with esteemed colleagues such as Friedrich Bruhne and Walter Bockmann. These partnerships have fostered a creative environment that has led to the development of groundbreaking chemical processes.
Conclusion
Karl-August Lipper's contributions to chemical engineering through his patents and collaborations highlight his role as an influential inventor. His innovative processes continue to shape the industry and demonstrate the importance of research and development in advancing technology.