This inventor holds 3 USPTO granted patents. Top assignees: Basf Aktiengesellschaft, Badische Anilin- & Soda-Fabrik Aktiengesellschaft. Active years: 1976-1978.
Location History:
- Mannheim, DE (1976)
- Manheim, DE (1977)
- Ludwigshafen, DE (1978)
Company Filing History:
2 out of 10,754 
1 out of 88 
Years Active: 1976-1978
Title: Walter Frey: Innovator in Chemical Engineering
Introduction
Walter Frey is a notable inventor based in Mannheim, Germany. He has made significant contributions to the field of chemical engineering, particularly in the oxidation processes of various compounds. With a total of 3 patents to his name, Frey's work has had a lasting impact on industrial applications.
Latest Patents
Frey's latest patents include a method of separating high-boiling or non-volatile materials during the oxidation of propylene and/or acrolein. This innovative method involves treating solvents laden with byproducts with hot reaction gases, allowing for the efficient separation of these materials. Another significant patent focuses on the catalytic oxidation of alpha-olefins in the gas phase. This process utilizes a catalyst containing molybdenum and bismuth, improving the conversion and activity of the catalyst at elevated temperatures.
Career Highlights
Throughout his career, Walter Frey has worked with prominent companies such as BASF and Badische Anilin- & Soda-Fabrik Aktiengesellschaft. His experience in these organizations has allowed him to develop and refine his innovative techniques in chemical processes.
Collaborations
Frey has collaborated with notable colleagues, including Carl-Heinz Willersinn and Heinz Engelbach. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
Walter Frey is a distinguished inventor whose work in chemical engineering has led to significant advancements in oxidation processes. His patents reflect a commitment to innovation and efficiency in industrial applications.