Gebhard Kuehn

Title: Gebhard Kuehn: Innovator in Alkyl Pentenoates

Introduction

Gebhard Kuehn is a notable inventor based in Ludwigshafen, Germany. He has made significant contributions to the field of chemical engineering, particularly in the preparation of alkyl pentenoates. With a total of 3 patents to his name, Kuehn's work has had a considerable impact on the industry.

Latest Patents

Kuehn's latest patents include innovative methods for the preparation of alkyl pentenoates. This process involves reacting butadiene with carbon monoxide and an alkanol in the presence of a cobalt carbonyl complex and a tertiary, aromatic heterocyclic nitrogen base. The reaction occurs at temperatures ranging from 80°C to 160°C and under pressures between 100 to 1,000 bar, with the addition of hydrogen in a volume percentage of 0.1 to 10% based on the amount of carbon monoxide used. Another significant patent addresses the treatment of aqueous solutions obtained in the carbalkoxylation of olefinically unsaturated compounds. This process involves heating the aqueous solution to temperatures between 150°C and 300°C under pressures from 10 to 300 bar, followed by the separation of heterocyclic aromatic nitrogen bases formed from transformation products.

Career Highlights

Throughout his career, Gebhard Kuehn has worked with prominent companies, including BASF Aktiengesellschaft and BASF Aktengesellschaft. His expertise in chemical processes has been instrumental in advancing the technologies used in these organizations.

Collaborations

Kuehn has collaborated with notable colleagues such as Robert Maerkl and Werner Bertleff. These partnerships have contributed to the development of innovative solutions in the chemical industry.

Conclusion

Gebhard Kuehn's contributions to the field of chemical engineering, particularly through his patents and collaborations, highlight his role as an influential inventor. His work continues to shape advancements in the preparation of alkyl pentenoates and related processes.