Location History:
- Langenhain, Taunus, DE (1976 - 1977)
- Hofheim, Taunus, DE (1977)
- Hofheim, DE (1978)
- Hofheim am Taunus, DE (1981 - 1989)
Company Filing History:
Years Active: 1976-1989
Title: The Innovative Contributions of Hansjorg Hey
Introduction
Hansjorg Hey is a notable inventor based in Langenhain, Taunus, Germany. He has made significant contributions to the field of chemical engineering, particularly in the isolation and preparation of various chemical compounds. With a total of 8 patents to his name, Hey's work has had a considerable impact on industrial processes.
Latest Patents
One of Hansjorg Hey's latest patents is a process for the isolation of vinyl acetate. This invention relates to a method for extracting vinyl acetate from a gas mixture that includes vinyl acetate, ethyl acetate, water, and carbon dioxide. The gas mixture is produced during the reaction of ethylene with acetic acid and oxygen over catalysts containing palladium or its compounds. The process involves passing the gas mixture through a distillation column, cooling the top vapor, and washing the non-condensed gas with acetic acid to obtain a solution containing vinyl acetate. The bottom product is further processed in additional distillation columns to yield pure vinyl acetate.
Another significant patent by Hey is the process for the preparation of cyclohexane-1,3-dione. This process involves passing delta-ketocarboxylic acid esters in the gaseous phase over a catalyst at high temperatures. The catalyst used contains elements from groups III B or IV B of the Periodic System, with thorium compounds on charcoal carriers being particularly preferred.
Career Highlights
Hansjorg Hey has had a distinguished career, working at Hoechst Aktiengesellschaft, a leading chemical company. His innovative approaches and technical expertise have contributed to advancements in chemical manufacturing processes.
Collaborations
Throughout his career, Hey has collaborated with several esteemed colleagues, including Werner H. Muller and Hans-Jurgen Arpe. These collaborations have further enhanced the scope and impact of his inventions.
Conclusion
Hansjorg Hey's contributions to the field of chemical engineering through his patents demonstrate his innovative spirit and technical prowess. His work continues to influence industrial practices and chemical processes today.
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