Location History:
- Marseille, FR (1998 - 2014)
- Marseilles, FR (2015)
Company Filing History:
2 out of 230 
1 out of 5,089 
Years Active: 1998-2015
Title: **Hakim Karoui: Innovating in Dynamic Nuclear Polarization**
Introduction
Hakim Karoui, an esteemed inventor based in Marseilles, France, has made significant contributions to the field of organic chemistry. With a total of three patents to his name, he is recognized for his innovative work, particularly in the development of organic free radicals used in advanced scientific techniques.
Latest Patents
Karoui's most notable patents include the invention of dinitroxide-type biradical compounds optimized for dynamic nuclear polarization (DNP). This invention focuses on the use of organic free radicals as polarizing agents in the DNP technique, which enables the transfer of polarization from electron spins to the nuclei of compounds during nuclear magnetic resonance (NMR) observations. The structural innovation of these dinitroxide-type biradical polarizing agents is characterized by rigid linkages between the nitroxide units, allowing for optimal polarization transfer and enhanced NMR/MAS signals at low temperatures and high magnetic fields.
Career Highlights
Throughout his career, Karoui has held influential positions and contributed to various research initiatives. He has worked with reputable institutions such as Aix-Marseille University and the National Centre for Scientific Research (Centre National de la Recherche Scientifique). His academic and research pursuits have established him as a prominent figure in the realm of organic chemistry.
Collaborations
Karoui has collaborated with distinguished colleagues, including Francois Le Moigne and Paul Tordo. These collaborations have played a crucial role in advancing research in his field and have contributed to the development of his patented innovations.
Conclusion
In conclusion, Hakim Karoui's work in dynamic nuclear polarization and organic chemistry exemplifies the spirit of innovation. With his groundbreaking patents and fruitful collaborations, he continues to influence the study and application of polarizing agents in scientific research. His contributions not only enhance the understanding of DNP techniques but also pave the way for future advancements in organic chemistry.