Location History:
- Roggel, NL (2001 - 2004)
- Meijel, NL (2005 - 2020)
- Sittard, NL (2015 - 2021)
Company Filing History:
22 out of 574 
4 out of 475 
4 out of 1,733 
Years Active: 2001-2025
Title: Innovations and Achievements of Johannes Henricus Mennen
Introduction
Johannes Henricus Mennen, an accomplished inventor based in Sittard, Netherlands, holds an impressive portfolio of 30 patents. His innovative contributions have significantly advanced the field of chemical engineering, particularly in urea production processes.
Latest Patents
Among his recent patents is the "Integrated production of urea for Diesel Exhaust Fluid and urea ammonium nitrate." This method outlines an integrated production approach for two different urea products. One involving an aqueous urea solution suitable for NOx abatement, commonly known as Diesel Exhaust Fluid (DEF), while the other pertains to a fertilizer solution called Urea Ammonium Nitrate (UAN). The synergy of these processes involves utilizing ammonia recovered from urea production as a feedstock for ammonium nitrate production. Additionally, some of the aqueous urea stream is blended with ammonium nitrate to produce UAN. Another notable patent is the "Coupled urea melamine production with HP COstripping," which details a plant process for the simultaneous production of urea and melamine, incorporating a urea synthesis section with high-pressure CO stripping.
Career Highlights
Mennen's career includes significant tenures at reputable companies such as Stamicarbon B.V. and DSM N.V. His work at these firms has helped propel advancements in urea and melamine production technologies, highlighting his technical expertise and innovative mindset.
Collaborations
Throughout his professional journey, Mennen has collaborated with notable colleagues, including Jozef Hubert Meessen and Lambertus Wilhelmus Gevers. Their combined knowledge and skills have fostered an environment of creativity and ingenuity, leading to successful developments in their respective fields.
Conclusion
Johannes Henricus Mennen’s dedication to innovation is evident through his numerous patents and collaborative efforts in the chemical engineering sector. His contributions continue to shape the industry, enhancing processes in urea production and related technologies. The impact of his work is recognized globally, underscoring the significance of his inventive spirit.