This inventor holds 3 USPTO granted patents. Top assignee: Basf Aktiengesellschaft. Active years: 1976-1982.
Location History:
- Ludwigshafen, DE (1976)
- Mannheim, DE (1982)
Company Filing History:
Years Active: 1976-1982
Title: Winfried Dethlefsen: Innovator in Chemical Engineering
Introduction
Winfried Dethlefsen is a notable inventor based in Ludwigshafen, Germany. He has made significant contributions to the field of chemical engineering, particularly in the synthesis of melamine and methane production. With a total of 3 patents, his work has had a considerable impact on industrial processes.
Latest Patents
Dethlefsen's latest patents include innovative methods for the simultaneous destruction of trace components in reaction off-gas. The reaction off-gas from the synthesis of melamine primarily consists of ammonia and carbon dioxide, along with trace amounts of hydrogen cyanide, isocyanic acid, urea, and residual melamine. To effectively remove these trace components, the off-gas is passed over a catalyst containing copper oxide and/or iron oxide in the presence of steam at temperatures ranging from 100°C to 500°C.
Another significant patent involves a two-stage process for the manufacture of methane from hydrocarbons. In the first stage, hydrocarbons are converted into methane-rich gases using a nickel catalyst. The cracked gases obtained are then cooled and further processed into methane-rich gases in a subsequent catalytic stage, utilizing either a methanization catalyst or the nickel catalyst. The preparation of the nickel catalyst involves creating a compound, which is then dried, calcined, and reduced in a hydrogen stream while maintaining specific temperature gradients.
Career Highlights
Winfried Dethlefsen is associated with BASF Aktiengesellschaft, a leading chemical company known for its innovative solutions and products. His work at BASF has allowed him to develop and patent groundbreaking technologies that enhance chemical manufacturing processes.
Collaborations
Dethlefsen has collaborated with notable coworkers such as Guenter Zirker and Laszlo Marosi. Their combined expertise has contributed to the advancement of chemical engineering and the successful implementation of innovative processes.
Conclusion
Winfried Dethlefsen's contributions to chemical engineering through his patents and work at BASF highlight his role as a significant innovator in the field. His advancements in the synthesis of melamine and methane production demonstrate the importance of innovation in industrial processes.