Company Filing History:
Years Active: 1988
Title: Dirk A Noordegraaf: Innovator in Membrane Technology
Introduction
Dirk A Noordegraaf is a notable inventor based in Gramsbergen, Netherlands. He has made significant contributions to the field of membrane technology, particularly through his innovative work on semipermeable composite membranes. His expertise and inventions have the potential to impact various applications in filtration and separation processes.
Latest Patents
Dirk A Noordegraaf holds a patent for a semipermeable composite membrane. This invention features a microporous substrate, such as a polysulphone membrane, which is enhanced by a semipermeable membrane. The semipermeable membrane is the reaction product of a polyamine and a water-soluble polymer. The design includes specific molecular weight parameters and crosslinking agents that optimize the membrane's performance. The flux of the membrane is at least 40 l/m².h, with a salt retention rate of at least 90%. This innovation showcases his commitment to advancing membrane technology.
Career Highlights
Throughout his career, Dirk A Noordegraaf has focused on developing advanced materials that improve efficiency in various industrial processes. His work has been recognized for its technical depth and practical applications. He continues to explore new avenues in membrane technology, contributing to the scientific community and industry.
Collaborations
Dirk A Noordegraaf has collaborated with notable colleagues, including Henricus C Buys and Aart J Naaktgeboren. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Dirk A Noordegraaf is a distinguished inventor whose work in semipermeable composite membranes exemplifies innovation in membrane technology. His contributions are significant in advancing the field and addressing practical challenges in filtration and separation processes.