Ewald Gallei

Title: Ewald Gallei: Innovator in Catalysis and Imidazole Preparation

Introduction

Ewald Gallei is a notable inventor based in Viernheim, Germany. He has made significant contributions to the field of catalysis and chemical processes, holding a total of 3 patents. His work focuses on innovative methods for producing valuable chemical compounds.

Latest Patents

Gallei's latest patents include a silver catalyst designed for the direct oxidation of ethylene with oxygen to produce ethylene oxide. This catalyst contains one or more alkali metals and tungsten as promotors, supported on a porous material primarily made of α-aluminum oxide. The specific surface area of this support ranges from 0.3 to 3 m²/g, with tungsten concentrations between 60 to 330 ppmwt based on the total catalyst per m² of surface area for each gram of supporting material. Another significant patent involves the preparation of imidazoles, which are synthesized by reacting 2-imidazolines at temperatures between 250°C to 500°C in the presence of molybdenum oxide and nickel or cobalt oxide, along with aluminum oxide and silicon dioxide as catalysts. The imidazoles produced are valuable intermediates for dyes, crop protection agents, textile auxiliaries, and pharmaceuticals.

Career Highlights

Ewald Gallei is associated with BASF Aktiengesellschaft, a leading chemical company known for its innovative solutions and products. His work at BASF has allowed him to explore and develop advanced chemical processes that contribute to various industries.

Collaborations

Gallei has collaborated with notable colleagues such as Klaus Herzog and Stefan Boeck. These partnerships have fostered a creative environment for innovation and have led to the development of impactful technologies.

Conclusion

Ewald Gallei's contributions to catalysis and chemical synthesis exemplify the spirit of innovation in the chemical industry. His patents reflect a commitment to advancing chemical processes that have significant applications in various fields.