Wilhelm Hagen

Title: The Innovative Contributions of Wilhelm Hagen

Introduction

Wilhelm Hagen, an accomplished inventor based in Leverkusen, Germany, has made significant strides in the field of chemical engineering. With a portfolio comprising four patents, his work has focused on advanced processes in the production and purification of vital chemical compounds.

Latest Patents

One of Hagen's notable inventions is a **process for the purification of mixtures of toluenediisocyanate**. This innovative method involves fractionating a crude distillation feed containing toluenediisocyanate, an organic solvent, and less than 2% by weight of phosgene within a heat-integrated system. The system includes an upstream distillation column, an interchanger, and a downstream distillation column connected in series. The process efficiently recovers vapor from the upstream distillation column to reboil the bottoms product in the downstream column, generating multiple product fractions. P1 represents a non-condensable gas stream enriched with phosgene and/or low-boilers, while P2 presents a solvent-enriched product. P3 refers to the bottoms product enriched with toluenediisocyanate, and P4 emerges as a toluenediisocyanate enriched stream low in high-boilers and reaction residues.

Another significant patent is the **process for the production of carbon monoxide**. This innovative approach utilizes a carbon-filled, water-cooled generator configured as a truncated cone. It involves the gasification of carbon with a mixed gas of oxygen and carbon dioxide. The improvement in this process lies in injecting the mixed gas through downward-directed, coolable nozzles placed in the generator's sidewall, allowing effective removal of the produced carbon monoxide.

Career Highlights

Wilhelm Hagen's inventive work has primarily focused on enhancing chemical production processes at Bayer Aktiengesellschaft. His contributions have played a vital role in optimizing chemical synthesis and purification techniques within the company.

Collaborations

Hagen's work has been complemented by collaboration with distinguished coworkers, including Helmut Klappert and Karl-Friedrich Zenner. Their collective expertise has contributed to the success of various projects and the advancement of innovative chemical processes.

Conclusion

Wilhelm Hagen stands as a promising figure in the landscape of chemical innovation. Through his groundbreaking patents and collaborations at Bayer Aktiengesellschaft, he has significantly contributed to the development of efficient chemical processes, paving the way for future advancements in the industry. His work exemplifies the vital role inventors play in enhancing technology and improving industrial practices.