Company Filing History:
Years Active: 2008-2016
Title: Inventor Wolfgang Dohmen: Pioneering Innovations in Nitrobenzene Production
Introduction: Wolfgang Dohmen, an accomplished inventor based in Duisburg, Germany, has made significant contributions to the field of chemical engineering through his innovative work. With three patents to his name, Dohmen is recognized for advancing processes in the production of nitrobenzene, a crucial chemical intermediate used in various applications.
Latest Patents: Among Wolfgang Dohmen's latest patents are two remarkable inventions enhancing the efficiency of nitrobenzene production. The first patent, titled "Method for producing nitrobenzene by adiabatic nitriding," details an adiabatic process for nitrating benzene using a mixture of sulfuric and nitric acids. This process employs a stoichiometric excess of benzene while allowing for the reuse of unreacted benzene, ensuring that the content of aliphatic organic compounds is kept below 1.5 mass-%.
The second patent, "Continuous process for the manufacture of nitrobenzene," describes a continuous operation where benzene is nitrated with an acid mixture containing over 3.0 wt.% nitric acid and at least 67.0 wt.% sulfuric acid, within a controlled temperature range of 100.0°C to 102.0°C. This innovative method requires multiple dispersions of benzene and nitrating acid, thereby optimizing the overall reaction process.
Career Highlights: Wolfgang Dohmen is presently associated with Bayer MaterialScience AG, where he implements his expertise in chemical processes to foster innovation. His role at the company allows him to leverage his knowledge and contribute to the development of new production methodologies that have a lasting impact in the industry.
Collaborations: Throughout his career, Dohmen has collaborated with talented coworkers, including Thomas Knauf and Alexandre Racoes. These professional partnerships have not only enriched his work but also fostered an environment of creativity and shared expertise in the realm of chemical manufacturing.
Conclusion: Wolfgang Dohmen's inventive spirit and dedication to enhancing nitrobenzene production processes underscore his role as a key figure in the field of chemical engineering. His patents reflect a commitment to innovation that not only contributes to the advancement of technology but also provides sustainable solutions in the chemical industry. As he continues to refine his methods, the impact of his work promises to extend beyond the present, influencing future advancements in the field.